GM Service Manual Online
For 1990-2009 cars only

DTC

DTC Descriptor

Module That Sets the DTC

Diagnostic Procedure

B0004

Vehicle Speed Information Circuit Open

Navigation Radio

DTC B0004 in Navigation Systems

B0012

Passenger Frontal Deployment Loop Stage 2 Resistance Low

SDM

DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR

B0013

Passenger Frontal Deployment Loop Stage 2 Open

SDM

DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR

B0014

Passenger Frontal Deployment Loop Stage 2 Voltage Out of Range

SDM

DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR

B0016

Passenger Frontal Deployment Loop Stage 1 Resistance Low

SDM

DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR

B0017

Passenger Frontal Deployment Loop Stage 1 Open

SDM

DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR

B0018

Passenger Frontal Deployment Loop Stage 1 Voltage Out of Range

SDM

DTC B0012, B0013, B0014, B0016, B0017, or B0018 in SIR

B0022

Driver Frontal Deployment Loop Stage 1 Resistance Low

SDM

DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR

B0024

Driver Frontal Deployment Loop Stage 1 Voltage Out of Range

SDM

DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR

B0026

Driver Frontal Deployment Loop Stage 1 Open

SDM

DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR

B0028

Right Curtain Deployment Loop Resistance Low

SDM

DTC B0028, B0029, or B0030 in SIR

B0029

Right Curtain Deployment Loop Open

SDM

DTC B0028, B0029, or B0030 in SIR

B0030

Right Curtain Deployment Loop Out of Range

SDM

DTC B0028, B0029, or B0030 in SIR

B0040

Left Curtain Deployment Loop Resistance Low

SDM

DTC B0040, B0041, or B0045 in SIR

B0041

Left Curtain Deployment Loop Open

SDM

DTC B0040, B0041, or B0045 in SIR

B0042

Driver Frontal Deployment Loop Stage 2 Resistance Low

SDM

DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR

B0043

Driver Frontal Deployment Loop Stage 2 Voltage Out of Range

SDM

DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR

B0044

Driver Frontal Deployment Loop Stage 2 Open

SDM

DTC B0022, B0024, B0026, B0042, B0043, or B0044 in SIR

B0045

Left Curtain Deployment Loop Voltage Out of Range

SDM

DTC B0040, B0041, or B0045 in SIR

B0051

Deployment Commanded

SDM

DTC B0051 in SIR

B0053

Deployment Commanded With Loop DTCs Present

SDM

DTC B0053 in SIR

B0077

Left Side Impact Sensor (SIS) Malfunction

SDM

DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR

B0078

Right Side Impact Sensor (SIS) Performance

SDM

DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR

B0079

Incorrect Left Side Impact Sensor (SIS) Installed

SDM

DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR

B0080

Discard Left Side Impact Sensor (SIS)

SDM

DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR

B0081

Incorrect Right Side Impact Sensor (SIS) Installed

SDM

DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR

B0082

Discard Right Side Impact Sensor (SIS)

SDM

DTC B0077, B0078, B0079, B0080, B0081, or B0082 in SIR

B0083

Right Front/Passenger Seat Position Sensor Circuit

SDM

DTC B0083 or B0084 in SIR

B0084

Left Front/Driver Seat Position Sensor Circuit

SDM

DTC B0083 or B0084 in SIR

B0092

Passenger Presence System Performance

SDM

DTC B0092 in SIR

B0098

Passenger Presence System Configuration Error

SDM

DTC B0098 in SIR

B0100

Electronic Front End Sensor 1 Performance

SDM

DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR

B0101

Discard Electronic Front End Sensor 1

SDM

DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR

B0102

Incorrect Electronic Front End Sensor 1 Installed

SDM

DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR

B0103

Electronic Front End Sensor 2 Performance

SDM

DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR

B0104

Discard Electronic Front End Sensor 2

SDM

DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR

B0105

Incorrect Electronic Front End Sensor 2 Installed

SDM

DTC B0100, B0101, B0102, B0103, B0104, or B0105 in SIR

B0159

Outside Air Temperature Sensor Circuit Range/Performance

HVAC Control Module

DTC B0159 in HVAC Systems - Automatic

B0164

Passenger Compartment Temp Sensor 1 Circuit Range/Performance

HVAC Control Module

DTC B0164 in HVAC Systems - Automatic

B0169

Passenger Compartment Temp Sensor 2 Circuit Range/Performance

HVAC Control Module

DTC B0169 in HVAC Systems - Automatic

B0174

Output Air Temperature Sensor 1 Circuit Range/Performance

HVAC Control Module

DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic

B0179

Output Air Temperature Sensor 2 Circuit Range/Performance

HVAC Control Module

DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic

B0183

Solar Load Sensor 1 Circuit

HVAC Control Module

DTC B0183 or B0188 in HVAC Systems - Automatic

B0188

Solar Load Sensor 2 Circuit

HVAC Control Module

DTC B0183 or B0188 in HVAC Systems - Automatic

B0229

Recirculate Position Feedback Circuit Range/Performance

HVAC Control Module

DTC B0229, B0414, B0424, or B3770 in HVAC Systems - Automatic

B0263

Air Flow Control 6 Circuit

HVAC Control Module

DTC B0263, B0268, B0408, or B0418 in HVAC Systems - Automatic

or

DTC B0263, B0408, or B0418 in HVAC Systems - Manual

B0268

Air Flow Control 7 Circuit

HVAC Control Module

DTC B0263, B0268, B0408, or B0418 in HVAC Systems - Automatic

B0283

Electric Rear Defrost Circuit

BCM

DTC B0283 in Stationary Windows

B0408

Temperature Control 1 Circuit

HVAC Control Module

DTC B0263, B0268, B0408, or B0418 in HVAC Systems - Automatic

or

DTC B0263, B0408, or B0418 in HVAC Systems - Manual

B0414

Temperature Control 1 Feedback Circuit Range/Performance

HVAC Control Module

DTC B0229, B0414, B0424, or B3770 in HVAC Systems - Automatic

or

DTC B0414, B0424, or B3770 in HVAC Systems - Manual

B0418

Temperature Control 2 Circuit

HVAC Control Module

DTC B0263, B0268, B0408, or B0418 in HVAC Systems - Automatic

or

DTC B0263, B0408, or B0418 in HVAC Systems - Manual

B0424

Temperature Control 2 Feedback Circuit Range/Performance

HVAC Control Module

DTC B0229, B0414, B0424, or B3770 in HVAC Systems - Automatic

or

DTC B0414, B0424, or B3770 in HVAC Systems - Manual

B0429

Temperature Control 3 Circuit Range/Performance

HVAC Control Module

DTC B0429 or B3531 in HVAC Systems - Automatic

B0434

Temperature Control 3 Feedback Circuit Range/Performance

HVAC Control Module

DTC B0434 or B3764 in HVAC Systems - Automatic

B0510

Output Air Temperature Sensor 3 Circuit Range/Performance

HVAC Control Module

DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic

B0515

Output Air Temperature Sensor 4 Circuit Range/Performance

HVAC Control Module

DTC B0174, B0179, B0510, or B0515 in HVAC Systems - Automatic

B0540

Speedometer Circuit

IPC

DTC B0540 in Instrument Panel, Gages, and Console

B0560

Tachometer Circuit

IPC

DTC B0560 in Instrument Panel, Gages, and Console

B0790

Transfer Case Neutral Indicator Circuit Malfunction

TCSCM

DTC B0790 in Transfer Case - BW 4482-NR4

or

DTC B0790 in Transfer Case - NVG 246-NP8

B1000

Electronic Control Unit (ECU) Performance

Audio Amplifier, BCM, DDM, DRR, DSM, FPDM, HVAC, IPC, Radio, RWSCM, SDM, VCIM

DTC B1000 in Computer/Integrating Systems

B1001

Option Configuration Error

Radio, SDM, VCIM

    •  DTC B1001 in Cellular Communication
    •  DTC B1001 in Entertainment
    •  DTC B1001 in SIR

B1004

Keep Alive Memory (KAM) Reset

OnStar® VCIM

DTC B1004 in Computer/Integrating Systems

B1007

EEPROM Write Error

OnStar® VCIM

DTC B1007 in Computer/Integrating Systems

B1009

EEPROM Checksum Mismatch

OnStar® VCIM

DTC B1009 in Computer/Integrating Systems

B1023

Integral Switch Performance

DDM, PDM

DTC B1023 in Doors

B1025

Audio Output 1 Left Front Circuit

Radio

DTC B1025, B1035, B1045, or B1055 in Entertainment

B1035

Audio Output 2 Right Front Circuit

Radio

DTC B1025, B1035, B1045, or B1055 in Entertainment

B1045

Audio Output 3 Left Rear Circuit

Radio

DTC B1025, B1035, B1045, or B1055 in Entertainment

B1055

Audio Output 4 Right Rear Circuit

Radio

DTC B1025, B1035, B1045, or B1055 in Entertainment

B1235

Amplifier On Signal Circuit

Radio

DTC B1235 in Entertainment

B1259

Antenna Ground Circuit

DRR

DTC B1259 in Entertainment

B1271

Theft Locked

DRR, Radio

DTC B1271 in Entertainment

B1372

Device Ignition 1 Circuit Range/Performance

BCM

DTC B1372 in Instrument Panel, Gages, and Console

B1375

Device Ignition 3 Circuit

HVAC Control Module

DTC B1375 in HVAC Systems - Automatic

or

DTC B1375 in HVAC Systems - Manual

B1390

Device Voltage Reference Input 1 Circuit

Generator Battery Control Module

DTC B1390 in Engine Electrical

B1397

Device Voltage Reference Output Circuit Low

BCM

DTC B1397 in Computer/Integrating Systems

B1440

Power Mode Master Input Circuits Mismatch

BCM

DTC B1440 in Computer/Integrating Systems

B1480

Battery Rundown Protection Circuit

BCM

DTC B1480 in Lighting Systems

B1487

Generator L-Terminal Circuit Low

Generator Battery Control Module

DTC B1487 in Engine Electrical

B1488

Generator L-Terminal Circuit High

Generator Battery Control Module

DTC B1488 in Engine Electrical

B1492

Generator F-Terminal Circuit Low

Generator Battery Control Module

DTC B1492 in Engine Electrical

B1516

Battery Current Sensor Performance.

Generator Battery Control Module

DTC B1516 in Engine Electrical

B1544

Mirror Motors Common Circuit

DDM, PDM

DTC B1544, B1600, or B1605 in Doors

B1580

Left Front Mirror Horizontal Position Sensor Circuit

DDM, PDM

DTC B1580, B1590, B1610, or B1620 in Doors

B1590

Left Front Mirror Vertical Position Sensor Circuit

DDM, PDM

DTC B1580, B1590, B1610, or B1620 in Doors

B1600

Mirror Motor Vertical Circuit

DDM, PDM

DTC B1544, B1600, or B1605 in Doors

B1605

Mirror Motor Horizontal Circuit

DDM, PDM

DTC B1544, B1600, or B1605 in Doors

B1610

Right Front Mirror Horizontal Position Sensor Circuit

DDM, PDM

DTC B1580, B1590, B1610, or B1620 in Doors

B1620

Right Front Mirror Vertical Position Sensor Circuit

DDM, PDM

DTC B1580, B1590, B1610, or B1620 in Doors

B1640

Left Front Mirror Heater Circuit

DDM, PDM

DTC B1640 or B1645 in Doors

B1645

Right Front Mirror Heater Circuit

DDM, PDM

DTC B1640 or B1645 in Doors

B1722

Mirror Power Fold Control Circuit

DDM, PDM

DTC B1722 in Doors

B1770

Driver Seat Motor Horizontal Circuit

DSM

DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats

B1775

Driver Seat Motor Front Vertical Circuit

DSM

DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats

B1780

Driver Seat Motor Rear Vertical Circuit

DSM

DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats

B1785

Driver Seat Motor Recline Circuit

DSM

DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats

B1790

Driver Seat Motor Lumbar Circuit

DSM

DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats

B1805

Driver Seat Motor Side Bolster Circuit

DSM

DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 in Seats

B1825

Driver Seat Recline Position Sensor Circuit

DSM

DTC B1825 in Seats

B1850

Driver Seat Lumbar Horizontal Position Sensor Circuit

DSM

DTC B1850, B1860, B1960, B2355, B2365, or B2375 in Seats

B1960

Driver Seat Side Bolster Sensor Circuit

DSM

DTC B1850, B1860, B1960, B2355, B2365, or B2375 in Seats

B2355

Driver Seat Front Vertical Position Sensor Circuit

DSM

DTC B1850, B1860, B1960, B2355, B2365, or B2375 in Seats

B2365

Driver Seat Rear Vertical Position Sensor Circuit

DSM

DTC B1850, B1860, B1960, B2355, B2365, or B2375 in Seats

B2375

Driver Seat Assembly Horizontal Position Sensor Circuit

DSM

DTC B1850, B1860, B1960, B2355, B2365, or B2375 in Seats

B2425

Driver Seat Heater Circuit

DSM

DTC B2425 or B2430 in Seats

B2430

Passenger Seat Heater Circuit

DSM

DTC B2425 or B2430 in Seats

B2435

Driver Seat Back Heater Sensor Circuit

DSM

DTC B2435 or B2440 in Seats

B2440

Passenger Seat Back Heater Sensor Circuit

DSM

DTC B2435 or B2440 in Seats

B2455

Cellular Phone Microphone Circuit

VCIM

DTC B2455 in Cellular Communication

B2462

Global Positioning System (GPS) Signal Error

Navigation Radio

DTC B2462 in Navigation Systems

B2470

Cellular Phone Antenna Circuit

OnStar® VCIM

DTC B2470 in Cellular Communication

B2476

Cellular Phone Select Service Switch

OnStar® VCIM

DTC B2476 in Cellular Communication

B2482

Cellular Phone Select Service Switch Range/Performance

OnStar® VCIM

DTC B2482 in Cellular Communication

B2483

Global Positioning System (GPS) Sensor Circuit Low

OnStar® VCIM

DTC B2483 or B2484 in Cellular Communication

B2484

Global Positioning System (GPS) Sensor Circuit Open

OnStar® VCIM

DTC B2483 or B2484 in Cellular Communication

B2527

Front Fog Lamps Circuit Low

BCM

DTC B2527 in Lighting Systems

B2537

Rear Fog Lamps Circuit Low

BCM

DTC B2537 in Lighting Systems

B2550

Backup Lamps Control Circuit

BCM

DTC B2550 in Lighting Systems

B2575

Headlamp Control Circuit

BCM

DTC B2575 in Lighting Systems

B2580

Headlamp High Beam Control Circuit

BCM

DTC B2580 in Lighting Systems

B2585

Parklamp Control Circuit

BCM

DTC B2585 in Lighting Systems

B2600

Daytime Running Lamp Control 1 Circuit

BCM

DTC B2600 in Lighting Systems

B2610

Passenger Compartment Dimming 1 Circuit

BCM

DTC B2610 in Lighting Systems

B2615

Passenger Compartment Dimming 2 Circuit

BCM

DTC B2615 in Lighting Systems

B2620

Display Dimming Pulse Width Modulation (PWM) Input Circuit

BCM

DTC B2620 in Lighting Systems

B2625

Display Dimming Pulse Width Modulation (PWM) Output Circuit

BCM

DTC B2625 in Lighting Systems

B2645

Ambient Light Sensor Circuit

BCM

DTC B2645 in Lighting Systems

B2725

Active Transfer Case (ATC) Mode Switch Circuit Malfunction

TCSCM

DTC B2725 in Transfer Case - BW 4482-NR4

or

DTC B2725 in Transfer Case - NVG 246-NP8

B2734

Check Sum Error

VTD

DTC B2734 in Theft Deterrent - Immobilizer - Some Export Vehicles

B2752

Horn Relay Coil Circuit Low

BCM

DTC B2752 in Horns

B2815

Steering Wheel Controls Illegal Resistance Value

BCM

DTC B2815 in Entertainment

B2947

Security System Sensor Power Circuit Low

BCM

DTC B2947 in Theft Deterrent

B2948

Security System Sensor Power Circuit High

BCM

DTC B2948 in Theft Deterrent

B2957

Security System Sensor Data Circuit Low

BCM

DTC B2957 in Theft Deterrent

B2958

Security System Sensor Data Circuit High

BCM

DTC B2958 in Theft Deterrent

B2960

Security System Sensor Data Incorrect but Valid

BCM

DTC B2960 in Theft Deterrent

B2961

Key In Ignition Circuit

BCM

DTC B2961 in Instrument Panel, Gages, and Console

B3031

Security System Controller In Learn Mode

BCM, VTD

DTC B3031 in Theft Deterrent

or

DTC B3031 in Theft Deterrent - Immobilizer - Some Export Vehicles

B3033

Security System Indicates Tamper

BCM

DTC B3033 in Theft Deterrent

B3055

No Transponder Modulation or No Transponder

VTD

DTC B3055 in Theft Deterrent - Immobilizer - Some Export Vehicles

B3060

Unprogrammed Transponder Identification Code Received

VTD

DTC B3060 in Theft Deterrent - Immobilizer - Some Export Vehicles

B3531

Air Flow Control 10 Circuit

HVAC Control Module

DTC B0429 or B3531 in HVAC Systems - Automatic

B3579

Output Air Temperature Sensor 6 Circuit Range/Performance

HVAC Control Module

DTC B3579 or B3584 in HVAC Systems - Automatic

B3584

Output Air Temperature Sensor 7 Circuit Range/Performance

HVAC Control Module

DTC B3579 or B3584 in HVAC Systems - Automatic

B3593

Steering System Mode Switch Circuit

RWSCM

DTC B3593 in Rear Wheel Steering

B3604

Adjustable Foot Pedal Forward Switch Circuit

DDM

DTC B3604 or B3605 in Adjustable Pedals

B3605

Adjustable Foot Pedal Rearward Switch Circuit

DDM

DTC B3604 or B3605 in Adjustable Pedals

B3606

Adjustable Foot Pedal Position Sensor Circuit

Driver Seat Module

DTC B3606 in Adjustable Pedals

B3764

Air Flow Control 4 Feedback Circuit

HVAC Control Module

DTC B0434 or B3764 in HVAC Systems - Automatic

B3770

Air Flow Control 6 Feedback Circuit

HVAC Control Module

DTC B0229, B0414, B0424, or B3770 in HVAC Systems - Automatic

or

DTC B0414, B0424, or B3770 in HVAC Systems - Manual

B3801

Passenger Compartment Lamp Request Circuit

BCM

DTC B3801 in Lighting Systems

B3802

Park lamps Request Circuit

BCM

DTC B3802 in Lighting Systems

B3808

Rear Door Lock Relay Circuit

BCM

DTC B3808 in Doors

B3809

Rear Door Unlock Relay Circuit

BCM

DTC B3809 in Doors

B3819

Left Rear Window Up Control Circuit

BCM

DTC B3819 in Doors

B3820

Left Rear Window Down Control Circuit

BCM

DTC B3820 in Doors

B3821

Left Rear Window Relay Power Circuit

BCM

DTC B3821 in Doors

B3822

Right Rear Window Up Control Circuit

BCM

DTC B3822 in Doors

B3823

Right Rear Window Down Control Circuit

BCM

DTC B3823 in Doors

B3824

Right Rear Window Relay Power Circuit

BCM

DTC B3824 in Doors

B3825

Liftgate Lock Signal Circuit

BCM

DTC B3825 in Doors

B3935

Transponder Authentication Error

VTD

DTC B3935 in Theft Deterrent - Immobilizer - Some Export Vehicles

B3941

Front Seat Heaters Circuit

DSM

DTC B3941 in Seats

B3962

Seat Motors Overcurrent

DSM

DTC B3962 in Seats

C0000

Vehicle Speed Information Circuit

RWSCM

DTC C0000 in Rear Wheel Steering

C0035

Left Front Wheel Speed Sensor Circuit

EBCM

DTC C0035 or C0040 in Antilock Brake System

C0040

Right Front Wheel Speed Sensor Circuit

EBCM

DTC C0035 or C0040 in Antilock Brake System

C0045

Left Rear Wheel Speed Sensor Circuit

EBCM

DTC C0045 or C0050 in Antilock Brake System

C0050

Right Rear Wheel Speed Sensor Circuit

EBCM

DTC C0045 or C0050 in Antilock Brake System

C0110

Pump Motor Circuit

EBCM

DTC C0110 in Antilock Brake System

C0131

Antilock Brake System (ABS)/Traction Control System (TCS) Pressure Circuit

EBCM

DTC C0131 in Antilock Brake System

C0161

Antilock Brake System (ABS)/Traction Control System (TCS) Brake Switch

EBCM

DTC C0161 in Antilock Brake System

C0186

Lateral Accelerometer Circuit

EBCM

DTC C0186 in Antilock Brake System

C0196

Yaw Rate Circuit

EBCM

DTC C0196 in Antilock Brake System

C0201

Antilock Brake System (ABS) Enable Relay Contact Circuit

EBCM

DTC C0201 in Antilock Brake System

C0220

Left Front Antilock Brake System (ABS) Channel in Release Too Long

EBCM

DTC C0220 in Antilock Brake System

C0221

Right Front Wheel Speed Sensor Circuit Open (w/o JL4)

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0222

Right Front Wheel Speed Signal Missing (w/o JL4)

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0223

Right Front Wheel Speed Signal Erratic (w/o JL4)

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0224

Right Front Antilock brake System (ABS) Channel in Release Too Long (w/ JL4)

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0225

Left Front Wheel Speed Sensor Circuit Open (w/o JL4)

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0226

Left Front Wheel Speed Signal Missing (w/o JL4)

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0227

Left Front Wheel Speed Signal Erratic (w/o JL4)

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0228

Left Front Antilock Brake System (ABS) Channel in Release Too Long

EBCM

DTC C0228 in Antilock Brake System

C0229

    • Right Rear Antilock Brake System (ABS) Channel in Release Too Long (w/ JL4)
    • Drop Out of Both Front Speed Sensors (w/o JL4)

EBCM

DTC C0229 or C029 in Antilock Brake System

C0235

Rear Wheel Speed Signal Circuit Open

EBCM

DTC C0235-C0237 or P0609 in Antilock Brake System

C0236

Rear Wheel Speed Signal Circuit Missing

EBCM

DTC C0235-C0237 or P0609 in Antilock Brake System

C0237

Rear Wheel Speed Signal Circuit Erratic

EBCM

DTC C0235-C0237 or P0609 in Antilock Brake System

C0238

Wheel Speed Mismatch

EBCM

DTC C0238 or C038 in Antilock Brake System

C0240

Powertrain Control Module (PCM) Traction Control Not Allowed

EBCM

DTC C0240 in Antilock Brake System

C0241

EBCM Control Valve Circuit

EBCM

DTC C0241-C0243 in Antilock Brake System

C0242

EBCM Control Valve Circuit

EBCM

DTC C0241-C0243 in Antilock Brake System

C0243

EBCM Control Valve Circuit

EBCM

DTC C0241-C0243 in Antilock Brake System

C0244

    • Pulse Width Modulated (PCM) Delivered Torque (w/ JL4)
    • EBCM Control Valve Circuit (w/o JL4)

EBCM

DTC C0244 in Antilock Brake System

C0245

    • Wheel Speed Sensor Frequency Error (w/ JL4)
    • EBCM Control Valve Circuit (w/o JL4)

EBCM

DTC C0245 in Antilock Brake System

C0246

EBCM Control Valve Circuit

EBCM

DTC C0246-C0254 in Antilock Brake System

C0247

EBCM Control Valve Circuit

EBCM

DTC C0246-C0254 in Antilock Brake System

C0248

EBCM Control Valve Circuit

EBCM

DTC C0246-C0254 in Antilock Brake System

C0251

EBCM Control Valve Circuit

EBCM

DTC C0246-C0254 in Antilock Brake System

C0252

EBCM Control Valve Circuit

EBCM

DTC C0246-C0254 in Antilock Brake System

C0253

EBCM Control Valve Circuit

EBCM

DTC C0246-C0254 in Antilock Brake System

Centering Error

RWSCM

DTC C0253 in Rear Wheel Steering

C0254

EBCM Control Valve Circuit

EBCM

DTC C0246-C0254 in Antilock Brake System

C0265

EBCM Motor Relay Circuit

EBCM

DTC C0265 or C0266 and C065 or C066 in Antilock Brake System

C0266

EBCM Motor Relay Circuit

EBCM

DTC C0265 or C0266 and C065 or C066 in Antilock Brake System

C0267

Pump Motor Circuit Open

EBCM

DTC C0267 or C0268 and C067 or C068 in Antilock Brake System

C0268

Pump Motor Circuit Shorted

EBCM

DTC C0267 or C0268 and C067 or C068 in Antilock Brake System

C0269

Excessive Dump Time

EBCM

DTC C0269 or C0274 and C069 or C074 in Antilock Brake System

C0271

EBCM Malfunction

EBCM

DTC C0271-C0273, C0284 in Antilock Brake System

C0272

EBCM Malfunction

EBCM

DTC C0271-C0273, C0284 in Antilock Brake System

C0273

EBCM Malfunction

EBCM

DTC C0271-C0273, C0284 in Antilock Brake System

C0274

Excessive Isolation Time

EBCM

DTC C0269 or C0274 and C069 or C074 in Antilock Brake System

C0279

    • Pre-Charge Pump Circuit Performance (w/ JL4)
    • Powertrain Configuration not Valid (w/o JL4)

EBCM

DTC C0279 in Antilock Brake System

C0281

Stoplamp Switch Circuit

EBCM

DTC C0281 or C081 in Antilock Brake System

C0283

Mode Switch Circuit Malfunction

EBCM

DTC C0283 in Antilock Brake System

C0284

EBCM Malfunction

EBCM

DTC C0271-C0273, C0284 in Antilock Brake System

C0287

Delivered Torque Signal Malfunction

EBCM

DTC C0287, P1644, or P1689 in Antilock Brake System

C0290

Class 2 Data Link Malfunction

EBCM

DTC C0290 or C0292 in Antilock Brake System

C0291

Lost Communication with BCM

EBCM

DTC C0291 in Antilock Brake System

C0292

Lost Communications with Engine Control System

EBCM

DTC C0290 or C0292 in Antilock Brake System

C0297

Powertrain Configuration Data not Received

EBCM

DTC C0297 in Antilock Brake System

C0298

Powertrain Control Malfunction

EBCM

DTC C0298 or P0856 in Antilock Brake System

C0300

Rear Propshaft Speed Sensor Malfunction

TCSCM

DTC C0300 in Transfer Case - NVG 246-NP8

C0305

Front Propshaft Speed Sensor Malfunction

TCSCM

DTC C0305 in Transfer Case - NVG 246-NP8

C0306

Motor A or B Circuit Malfunction

TCSCM

DTC C0306 in Transfer Case - BW 4482-NR4

or

DTC C0306 in Transfer Case - NVG 246-NP8

C0321

Transfer Case Lock Circuit Malfunction

TCSCM

DTC C0321 in Transfer Case - NVG 246-NP8

C0327

Encoder Circuit Malfunction

TCSCM

DTC C0327 in Transfer Case - BW 4482-NR4

or

DTC C0327 in Transfer Case - NVG 246-NP8

C0329

Encoder Signal Circuit Low

TCSCM

DTC C0329 in Transfer Case - BW 4482-NR4

C0359

Four Wheel Drive Low Range (4WD low) Discrete Output Circuit Malfunction

TCSCM

DTC C0359 in Transfer Case - BW 4482-NR4

or

DTC C0359 in Transfer Case - NVG 246-NP8

C0374

General System Malfunction

TCSCM

DTC C0374 in Transfer Case - NVG 246-NP8

C0379

Front Axle System Malfunction

TCSCM

DTC C0379 in Transfer Case - NVG 246-NP8

C0455

Front Steering Position Sensor Circuit

EBCM, ESC, RWSCM

    •  DTC C0455 in Antilock Brake System
    •  DTC C0455 in Electronic Suspension Control (ESC)
    •  DTC C0455 in Rear Wheel Steering

C0472

Steering Hand Wheel Speed Sensor Signal Circuit

EBCM

DTC C0472 or C0473 in Antilock Brake System

Steering Position and Rate of Change Sensor Circuit Low

RWSCM

DTC C0472 or C0473 in Rear Wheel Steering

C0473

Steering Hand Wheel Speed Sensor Signal Circuit

EBCM

DTC C0472 or C0473 in Antilock Brake System

Steering Position and Rate of Change Sensor Circuit High

RWSCM

DTC C0472 or C0473 in Rear Wheel Steering

C0522

Rear Steering Position Sensor Circuit

RWSCM

DTC C0522 in Rear Wheel Steering

C0527

Rear Steering Motor Position Sensor Circuit

RWSCM

DTC C0527 in Rear Wheel Steering

C0532

Rear Steering Position and Motor Position Sensors Uncorrelated

RWSCM

DTC C0532 in Rear Wheel Steering

C0533

Rear Steering Motor Relay Circuit

RWSCM

DTC C0533 in Rear Wheel Steering

C0538

Rear Steering Motor Circuit

RWSCM

DTC C0538 in Rear Wheel Steering

C0543

Rear Steering Motor Position Error

RWSCM

DTC C0543 in Rear Wheel Steering

C0550

Electronic Control Unit (ECU) Performance

EBCM, ESC, RWSCM

    •  DTC C0550 in Antilock Brake System
    •  DTC C0550 in Electronic Suspension Control (ESC)
    •  DTC C0550 in Rear Wheel Steering

ECU Malfunction

TCSCM

    •  DTC C0550 in Transfer Case - BW 4482-NR4
    •  DTC C0550 in Transfer Case - NVG 246-NP8

C0551

Option Configuration Error

ESC

DTC C0551 in Electronic Suspension Control (ESC)

C0558

Calibration Data Not Programmed

EBCM

DTC C0558 in Antilock Brake System

C0575

Left Front Solenoid Circuit

ESC

DTC C0575, C0580, C0585, or C0590 in Electronic Suspension Control (ESC)

C0580

Right Front Solenoid Circuit

ESC

DTC C0575, C0580, C0585, or C0590 in Electronic Suspension Control (ESC)

C0585

Left Rear Solenoid Circuit

ESC

DTC C0575, C0580, C0585, or C0590 in Electronic Suspension Control (ESC)

C0590

Right Rear Solenoid Circuit

ESC

DTC C0575, C0580, C0585, or C0590 in Electronic Suspension Control (ESC)

C0615

Left Front Position Sensor Circuit

ESC

DTC C0615, C0620, C0625 or C0630 in Electronic Suspension Control (ESC)

C0620

Right Front Position Sensor Circuit

ESC

DTC C0615, C0620, C0625 or C0630 in Electronic Suspension Control (ESC)

C0625

Left Rear Position Sensor Circuit

ESC

DTC C0615, C0620, C0625 or C0630 in Electronic Suspension Control (ESC)

C0630

Right Rear Position Sensor Circuit

ESC

DTC C0615, C0620, C0625 or C0630 in Electronic Suspension Control (ESC)

C0655

Level Control Compressor Circuit

RTD

DTC C0655 in Automatic Level Control

C0660

Level Control Exhaust Valve Circuit

RTD

DTC C0660 in Automatic Level Control

C0690

Damper Control Relay Circuit

ESC

DTC C0690 in Electronic Suspension Control (ESC)

C0711

Level Control Air Pressure Sensor Circuit

RTD

DTC C0711 in Automatic Level Control

C0750

Left Front Low Tire Pressure Sensor

PDM

DTC C0750, C0755, C0760, or C0765 in Tire Pressure Monitoring

C0755

Right Front Low Tire Pressure Sensor

PDM

DTC C0750, C0755, C0760, or C0765 in Tire Pressure Monitoring

C0760

Left Rear Low Tire Pressure Sensor

PDM

DTC C0750, C0755, C0760, or C0765 in Tire Pressure Monitoring

C0765

Right Rear Low Tire Pressure Sensor

PDM

DTC C0750, C0755, C0760, or C0765 in Tire Pressure Monitoring

C0775

Low Tire Pressure System Sensors Not Programmed/Learned

PDM

DTC C0775 in Tire Pressure Monitoring

C0870

Device Voltage Reference Output Circuit

ESC

DTC C0870 in Electronic Suspension Control (ESC)

P0053

HO2S Heater Resistance Bank 1 Sensor 1

PCM

DTC P0053, P0054, P0059, or P0060 in Engine Controls - 8.1L

or

DTC P0053 or P0059 in Engine Controls - 4.8L, 5.3L, and 6.0L

P0054

HO2S Heater Resistance Bank 1 Sensor 2

PCM

DTC P0053, P0054, P0059, or P0060 in Engine Controls - 8.1L

or

DTC P0054 or P0060 in Engine Controls - 4.8L, 5.3L, and 6.0L

P0059

HO2S Heater Resistance Bank 2 Sensor 1

PCM

DTC P0053, P0054, P0059, or P0060 in Engine Controls - 8.1L

or

DTC P0053 or P0059 in Engine Controls - 4.8L, 5.3L, and 6.0L

P0060

HO2S Heater Resistance Bank 2 Sensor 2

PCM

DTC P0053, P0054, P0059, or P0060 in Engine Controls - 8.1L

or

DTC P0054 or P0060 in Engine Controls - 4.8L, 5.3L, and 6.0L

P0068

Throttle Body Airflow Performance

PCM

DTC P0068 Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0068 in Engine Controls - 8.1L

P0101

Mass Air Flow (MAF) Sensor Performance

PCM

DTC P0101 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0101 in Engine Controls - 8.1L

P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

PCM

DTC P0102 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0102 in Engine Controls - 8.1L

P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

PCM

DTC P0103 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0103 in Engine Controls - 8.1L

P0106

Manifold Absolute Pressure (MAP) Sensor Performance

PCM

DTC P0106 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0106 in Engine Controls - 8.1L

P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

PCM

DTC P0107 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0107 in Engine Controls - 8.1L

P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

PCM

DTC P0108 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0108 in Engine Controls - 8.1L

P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

PCM

DTC P0112 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0112 in Engine Controls - 8.1L

P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

PCM

DTC P0113 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0113 in Engine Controls - 8.1L

P0116

Engine Coolant Temperature (ECT) Sensor Performance

PCM

DTC P0116 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0116 in Engine Controls - 8.1L

P0117

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

PCM

DTC P0117 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0117 in Engine Controls - 8.1L

P0118

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

PCM

DTC P0118 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0118 in Engine Controls - 8.1L

P0120

Throttle Position (TP) Sensor 1 Circuit

PCM

DTC P0120 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0120 in Engine Controls - 8.1L

P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

PCM

DTC P0128 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0128 in Engine Controls - 8.1L

P0131

HO2S Circuit Low Voltage Bank 1 Sensor 1

PCM

DTC P0131 or P0151 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0131 or P0151 in Engine Controls - 8.1L

P0132

HO2S Circuit High Voltage Bank 1 Sensor 1

PCM

DTC P0132 or P0152 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0132 or P0152 in Engine Controls - 8.1L

P0133

HO2S Slow Response Bank 1 Sensor 1

PCM

DTC P0133 or P0153 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0133 or P0153 in Engine Controls - 8.1L

P0134

HO2S Circuit Insufficient Activity Bank 1 Sensor 1

PCM

DTC P0134 or P0154 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0134 or P0154 in Engine Controls - 8.1L

P0135

HO2S Heater Performance Bank 1 Sensor 1

PCM

DTC P0135 or P0155 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0135, P0141, P0155, or P0161 in Engine Controls - 8.1L

P0137

HO2S Circuit Low Voltage Bank 1 Sensor 2

PCM

DTC P0137 or P0157 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0137 or P0157 in Engine Controls - 8.1L

P0138

HO2S Circuit High Voltage Bank 1 Sensor 2

PCM

DTC P0138 or P0158 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0138 or P0158 in Engine Controls - 8.1L

P0140

HO2S Circuit Insufficient Activity Bank 1 Sensor 2

PCM

DTC P0140 or P0160 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0140 or P0160 in Engine Controls - 8.1L

P0141

HO2S Heater Performance Bank 1 Sensor 2

PCM

DTC P0141 or P0161 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0135, P0141, P0155, or P0161 in Engine Controls - 8.1L

P0151

HO2S Circuit Low Voltage Bank 2 Sensor 1

PCM

DTC P0131 or P0151 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0131 or P0151 in Engine Controls - 8.1L

P0152

HO2S Circuit High Voltage Bank 2 Sensor 1

PCM

DTC P0132 or P0152 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0132 or P0152 in Engine Controls - 8.1L

P0153

HO2S Slow Response Bank 2 Sensor 1

PCM

DTC P0133 or P0153 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0133 or P0153 in Engine Controls - 8.1L

P0154

HO2S Circuit Insufficient Activity Bank 2 Sensor 1

PCM

DTC P0134 or P0154 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0134 or P0154 in Engine Controls - 8.1L

P0155

HO2S Heater Performance Bank 2 Sensor 1

PCM

DTC P0135 or P0155 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0135, P0141, P0155, or P0161 in Engine Controls - 8.1L

P0157

HO2S Circuit Low Voltage Bank 2 Sensor 2

PCM

DTC P0137 or P0157 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0137 or P0157 in Engine Controls - 8.1L

P0158

HO2S Circuit High Voltage Bank 2 Sensor 2

PCM

DTC P0138 or P0158 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0138 or P0158 in Engine Controls - 8.1L

P0160

HO2S Circuit Insufficient Activity Bank 2 Sensor 2

PCM

DTC P0140 or P0160 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0140 or P0160 in Engine Controls - 8.1L

P0161

HO2S Heater Performance Bank 2 Sensor 2

PCM

DTC P0141 or P0161 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0135, P0141, P0155, or P0161 in Engine Controls - 8.1L

P0169

Incorrect Fuel composition

PCM

DTC P0169 in Engine Controls - 4.8L, 5.3L, and 6.0L

P0171

Fuel Trim System Lean Bank 1

PCM

DTC P0171 or P0174 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0171 or P0174 in Engine Controls - 8.1L

P0172

Fuel Trim System Rich Bank 1

PCM

DTC P0172 or P0175 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0172 or P0175 in Engine Controls - 8.1L

P0174

Fuel Trim System Lean Bank 2

PCM

DTC P0171 or P0174 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0171 or P0174 in Engine Controls - 8.1L

P0175

Fuel Trim System Rich Bank 2

PCM

DTC P0172 or P0175 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0172 or P0175 in Engine Controls - 8.1L

P0178

Fuel Composition Sensor Circuit Low Frequency

PCM

DTC P0178 in Engine Controls - 4.8L, 5.3L, and 6.0L

P0179

Fuel Composition Sensor Circuit High Frequency

PCM

DTC P0179 in Engine Controls - 4.8L, 5.3L, and 6.0L

P0200

Injector Control Circuit

PCM

DTC P0200 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0200 in Engine Controls - 8.1L

P0218

Transmission Fluid Overtemperature

PCM

DTC P0218 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0218 in Automatic Transmission - 4L80-E/4L85-E

P0220

Throttle Position (TP) Sensor 2 Circuit

PCM

DTC P0220 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0220 in Engine Controls - 8.1L

P0230

Fuel Pump Relay Control Circuit

PCM

DTC P0230 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0230 in Engine Controls - 8.1L

P0300

Engine Misfire Detected

PCM

DTC P0300 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0300 in Engine Controls - 8.1L

P0315

Crankshaft Position (CKP) System Variation Not Learned

PCM

DTC P0315 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0315 in Engine Controls - 8.1L

P0325

Knock Sensor (KS) Circuit

PCM

DTC P0325 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0325 in Engine Controls - 8.1L

P0327

Knock Sensor (KS) 1 Circuit Low Frequency

PCM

DTC P0327 or P0332 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0327 or P0332 in Engine Controls - 8.1L

P0332

Knock Sensor (KS) 2 Circuit Low Frequency

PCM

DTC P0327 or P0332 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0327 or P0332 in Engine Controls - 8.1L

P0335

Crankshaft Position (CKP) Sensor Circuit

PCM

DTC P0335 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0335 in Engine Controls - 8.1L

P0336

Crankshaft Position (CKP) Sensor Performance

PCM

DTC P0336 in Engine Controls - 4.8L, 5.3L, and 6.0L

Crankshaft Position (CKP) Sensor Circuit

PCM

DTC P0336 in Engine Controls - 8.1L

P0341

Camshaft Position (CMP) Sensor Performance

PCM

DTC P0341 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0341 in Engine Controls - 8.1L

P0342

Camshaft Position (CMP) Sensor Circuit Low Voltage

PCM

DTC P0342 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0342 in Engine Controls - 8.1L

P0343

Camshaft Position (CMP) Sensor Circuit High Voltage

PCM

DTC P0343 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0343 in Engine Controls - 8.1L

P0351

Ignition Coil 1 Control Circuit

PCM

DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0351-P0358 in Engine Controls - 8.1L

P0352

Ignition Coil 2 Control Circuit

PCM

DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0351-P0358 in Engine Controls - 8.1L

P0353

Ignition Coil 3 Control Circuit

PCM

DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0351-P0358 in Engine Controls - 8.1L

P0354

Ignition Coil 4 Control Circuit

PCM

DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0351-P0358 in Engine Controls - 8.1L

P0355

Ignition Coil 5 Control Circuit

PCM

DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0351-P0358 in Engine Controls - 8.1L

P0356

Ignition Coil 6 Control Circuit

PCM

DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0351-P0358 in Engine Controls - 8.1L

P0357

Ignition Coil 7 Control Circuit

PCM

DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0351-P0358 in Engine Controls - 8.1L

P0358

Ignition Coil 8 Control Circuit

PCM

DTC P0351-P0358 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0351-P0358 in Engine Controls - 8.1L

P0420

Catalyst System Low Efficiency Bank 1

PCM

DTC P0420 or P0430 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0420 or P0430 in Engine Controls - 8.1L

P0430

Catalyst System Low Efficiency Bank 2

PCM

DTC P0420 or P0430 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0420 or P0430 in Engine Controls - 8.1L

P0442

Evaporative Emission (EVAP) System Small Leak Detected

PCM

DTC P0442 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0442 in Engine Controls - 8.1L

P0443

Evaporative Emission (EVAP) Purge Solenoid Control Circuit

PCM

DTC P0443 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0443 in Engine Controls - 8.1L

P0446

Evaporative Emission (EVAP) Vent System Performance

PCM

DTC P0446 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0446 in Engine Controls - 8.1L

P0449

Evaporative Emission (EVAP) Vent Solenoid Control Circuit

PCM

DTC P0449 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0449 in Engine Controls - 8.1L

P0451

Fuel Tank Pressure (FTP) Sensor Performance

PCM

DTC P0451 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0451 in Engine Controls - 8.1L

P0452

Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

PCM

DTC P0452 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0452 in Engine Controls - 8.1L

P0453

Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

PCM

DTC P0453 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0453 in Engine Controls - 8.1L

P0454

Fuel Tank Pressure (FTP) Sensor Circuit Intermittent

PCM

DTC P0454 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0454 in Engine Controls - 8.1L

P0455

Evaporative Emission (EVAP) System Large Leak Detected

PCM

DTC P0455 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0455 in Engine Controls - 8.1L

P0461

Fuel Level Sensor 1 Performance

PCM

DTC P0461 in Instrument Panel, Gages, and Console

P0462

Fuel Level Sensor 1 Circuit Low Voltage

PCM

DTC P0462 in Instrument Panel, Gages, and Console

P0463

Fuel Level Sensor 1 Circuit High Voltage

PCM

DTC P0463 in Instrument Panel, Gages, and Console

P0464

Fuel Level Sensor 1 Circuit Intermittent

PCM

DTC P0464 in Instrument Panel, Gages, and Console

P0480

Cooling Fan Relay 1 Control Circuit

PCM

DTC P0480 or P0481 in Engine Cooling

P0481

Cooling Fan Relay 2 Control Circuit

PCM

DTC P0480 or P0481 in Engine Cooling

P0496

Evaporative Emission (EVAP) System Flow During Non-Purge

PCM

DTC P0496 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0496 in Engine Controls - 8.1L

P0502

Vehicle Speed Sensor (VSS) Circuit Low Voltage

PCM

DTC P0502 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0502 in Automatic Transmission - 4L80-E/4L85-E

P0503

Vehicle Speed Sensor (VSS) Circuit Intermittent

PCM

DTC P0503 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0503 in Automatic Transmission - 4L80-E/4L85-E

P0506

Idle Speed Low

PCM

DTC P0506 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0506 or P0507 in Engine Controls - 8.1L

P0507

Idle Speed High

PCM

DTC P0507 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0506 or P0507 in Engine Controls - 8.1L

P0522

Engine Oil Pressure (EOP) Sensor Circuit Low Voltage

PCM

DTC P0522 in Instrument Panel, Gages, and Console

P0523

Engine Oil Pressure (EOP) Sensor Circuit High Voltage

PCM

DTC P0523 in Instrument Panel, Gages, and Console

P0530

Air Conditioning Refrigerant Pressure Sensor Circuit

PCM

DTC P0530 in HVAC Systems - Automatic

or

DTC P0530 in HVAC Systems - Manual

P0562

System Voltage Low

PCM

DTC P0562 in Engine Electrical

P0563

System Voltage High

PCM

DTC P0563 in Engine Electrical

P0567

Cruise Control Resume Switch Circuit

PCM

DTC P0567 in Cruise Control

P0568

Cruise Control Set Switch Circuit

PCM

DTC P0568 in Cruise Control

P0601

Control Module Read Only Memory (ROM)

PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 8.1L

P0602

Control Module Not Programmed

PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 8.1L

P0604

Control Module Random Access Memory (RAM)

PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 8.1L

P0606

Control Module Internal Performance

PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 8.1L

P0608

Vehicle Speed Output Circuit

PCM

DTC P0608 in Instrument Panel, Gages, and Console

P0609

Vehicle Speed Output Circuit 1

PCM

DTC C0235-C0237 or P0609 in Antilock Brake System

P0615

Starter Relay Control Circuit

PCM

DTC P0615 in Engine Electrical

P0622

Generator F-Terminal Circuit

PCM

DTC P0622 in Engine Electrical

P0641

5-Volt Reference 1 Circuit

PCM

DTC P0641 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0641 in Engine Controls - 8.1L

P0650

Malfunction Indicator Lamp (MIL) Control Circuit

PCM

DTC P0650 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0650 in Engine Controls - 8.1L

P0651

5-Volt Reference 2 Circuit

PCM

DTC P0651 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0651 in Engine Controls - 8.1L

P0654

Engine Speed Output Circuit

PCM

DTC P0654 in Instrument Panel, Gages, and Console

P0706

Transmission Range (TR) Switch Performance

PCM

DTC P0706 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0706 in Automatic Transmission - 4L80-E/4L85-E

P0711

Transmission Fluid Temperature (TFT) Sensor Performance

PCM

DTC P0711 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0711 in Automatic Transmission - 4L80-E/4L85-E

P0712

Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage

PCM

DTC P0712 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0712 in Automatic Transmission - 4L80-E/4L85-E

P0713

Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage

PCM

DTC P0713 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0713 in Automatic Transmission - 4L80-E/4L85-E

P0716

Input Speed Sensor Performance

PCM

DTC P0716 in Automatic Transmission - 4L80-E/4L85-E

P0717

Input Speed Sensor Circuit Low Voltage

PCM

DTC P0717 in Automatic Transmission - 4L80-E/4L85-E

P0719

Brake Switch Circuit Low Voltage

PCM

DTC P0719 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0719 in Automatic Transmission - 4L80-E/4L85-E

P0724

Brake Switch Circuit High Voltage

PCM

DTC P0724 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0724 in Automatic Transmission - 4L80-E/4L85-E

P0730

Incorrect Gear Ratio

PCM

DTC P0730 in Automatic Transmission - 4L80-E/4L85-E

P0740

Torque Converter Clutch (TCC) Enable Solenoid Control Circuit

PCM

DTC P0740 in Automatic Transmission - 4L60-E/4L65-E

P0741

Torque Converter Clutch (TCC) System - Stuck Off

PCM

DTC P0741 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0741 in Automatic Transmission - 4L80-E/4L85-E

P0742

Torque Converter Clutch (TCC) System - Stuck On

PCM

DTC P0742 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0742 in Automatic Transmission - 4L80-E/4L85-E

P0748

Pressure Control (PC) Solenoid Control Circuit

PCM

DTC P0748 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0748 in Automatic Transmission - 4L80-E/4L85-E

P0751

1-2 Shift Solenoid (SS) Valve Performance - No First or Fourth Gear

PCM

DTC P0751 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0751 in Automatic Transmission - 4L80-E/4L85-E

P0752

1-2 Shift Solenoid (SS) Valve Performance - No Second or Third Gear

PCM

DTC P0752 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0752 in Automatic Transmission - 4L80-E/4L85-E

P0753

1-2 Shift Solenoid (SS) Control Circuit

PCM

DTC P0753 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0753 in Automatic Transmission - 4L80-E/4L85-E

P0756

2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear

PCM

DTC P0756 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0756 in Automatic Transmission - 4L80-E/4L85-E

P0757

2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear

PCM

DTC P0757 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0757 in Automatic Transmission - 4L60-E/4L65-E

P0758

2-3 Shift Solenoid (SS) Control Circuit

PCM

DTC P0758 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0758 in Automatic Transmission - 4L80-E/4L85-E

P0785

3-2 Shift Solenoid (SS) Control Circuit

PCM

DTC P0785 in Automatic Transmission - 4L60-E/4L65-E

P0856

Traction Control Torque Request Circuit

PCM

DTC C0298 or P0856 in Antilock Brake System

P0894

Transmission Component Slipping

PCM

DTC P0894 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P0894 in Automatic Transmission - 4L80-E/4L85-E

P1106

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

PCM

DTC P1106 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1106 in Engine Controls - 8.1L

P1107

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1107 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1107 in Engine Controls - 8.1L

P1111

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

PCM

DTC P1111 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1111 in Engine Controls - 8.1L

P1112

Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1112 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1112 in Engine Controls - 8.1L

P1114

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1114 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1114 in Engine Controls - 8.1L

P1115

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

PCM

DTC P1115 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1115 in Engine Controls - 8.1L

P1125

Accelerator Pedal Position (APP) System

PCM

DTC P1125 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1125 in Engine Controls - 8.1L

P1133

HO2S Insufficient Switching Bank 1 Sensor 1

PCM

DTC P1133 or P1153 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1133 or P1153 in Engine Controls - 8.1L

P1134

HO2S Transition Time Ratio Bank 1 Sensor 1

PCM

DTC P1134 or P1154 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1134 or P1154 in Engine Controls - 8.1L

P1153

HO2S Insufficient Switching Bank 2 Sensor 1

PCM

DTC P1133 or P1153 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1133 or P1153 in Engine Controls - 8.1L

P1154

HO2S Transition Time Ratio Bank 2 Sensor 1

PCM

DTC P1134 or P1154 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1134 or P1154 in Engine Controls - 8.1L

P1258

Engine Coolant Overtemperature - Protection Mode Active

PCM

DTC P1258 in Engine Cooling

P1380

Misfire Detected - Rough Road Data Not Available

PCM

DTC P1380 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1380 in Engine Controls - 8.1L

P1381

Misfire Detected - No Communication With Brake Control Module

PCM

DTC P1381 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1381 in Engine Controls - 8.1L

P1516

Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance

PCM

DTC P1516 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P1516 in Engine Controls - 8.1L

P1574

Stop Lamp Switch Circuit

PCM

DTC P1574 in Cruise Control

P1626

Theft Deterrent Fuel Enable Signal Lost

PCM

DTC P1626 in Theft Deterrent

P1630

Theft Deterrent Learn Mode Active

PCM

DTC P1630 in Theft Deterrent - Immobilizer - Some Export Vehicles

P1631

Theft Deterrent Fuel Enable Signal Not Correct

PCM

DTC P1631 in Theft Deterrent

or

DTC P1631 in Theft Deterrent - Immobilizer - Some Export Vehicles

P1637

Generator L-Terminal Circuit

PCM

DTC P1637 in Engine Electrical

P1644

Traction Control Delivered Torque Output Circuit

PCM

DTC C0287, P1644, or P1689 in Antilock Brake System

P1689

Traction Control Delivered Torque Output Circuit

PCM

DTC C0287, P1644, or P1689 in Antilock Brake System

P1810

Transmission Fluid Pressure (TFP) Position Switch Circuit

PCM

DTC P1810 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P1810 in Automatic Transmission - 4L80-E/4L85-E

P2066

Fuel Level Sensor 2 Performance

PCM

DTC P2066 in Instrument Panel, Gages, and Console

P2067

Fuel Level Sensor 2 Circuit Low Voltage

PCM

DTC P2067 in Instrument Panel, Gages, and Console

P2068

Fuel Level Sensor 2 Circuit High Voltage

PCM

DTC P2068 in Instrument Panel, Gages, and Console

P2101

Control Module Throttle Actuator Position Performance

PCM

DTC P2101 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P2101 in Engine Controls - 8.1L

P2108

Throttle Actuator Control (TAC) Module Performance

PCM

DTC P2108 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P2108 in Engine Controls - 8.1L

P2120

Accelerator Pedal Position (APP) Sensor 1 Circuit

PCM

DTC P2120 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P2120 in Engine Controls - 8.1L

P2121

Accelerator Pedal Position (APP) Sensor 1 Performance

PCM

DTC P2121 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P2121 in Engine Controls - 8.1L

P2125

Accelerator Pedal Position (APP) Sensor 2 Circuit

PCM

DTC P2125 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P2125 in Engine Controls - 8.1L

P2135

Throttle Position (TP) Sensor 1-2 Correlation

PCM

DTC P2135 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P2135 in Engine Controls - 8.1L

P2610

Control Module Ignition Off Timer Performance

PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 8.1L

P2636

Fuel Transfer Pump Flow Insufficient

PCM

DTC P2636 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P2636 in Engine Controls - 8.1L

P2761

Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit

PCM

DTC P2761 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P2761 in Automatic Transmission - 4L80-E/4L85-E

P2771

Four Wheel Drive (4WD) Low Switch Circuit

PCM

DTC P2771 in Automatic Transmission - 4L60-E/4L65-E

or

DTC P2771 in Automatic Transmission - 4L80-E/4L85-E

P2A01

HO2S Performance Bank 1 Sensor 2

PCM

DTC P2A01 or P2A04 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P2A01 or P2A04 in Engine Controls - 8.1L

P2A04

HO2S Performance Bank 2 Sensor 2

PCM

DTC P2A01 or P2A04 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC P2A01 or P2A04 in Engine Controls - 8.1L

U0107

Lost Communication with Throttle Actuator Control (TAC) Module

PCM

DTC U0107 in Engine Controls - 4.8L, 5.3L, and 6.0L

or

DTC U0107 in Engine Controls - 8.1L

U1000

Class 2 Data Link Malfunction

Audio Amplifier, BCM, CDX, DDM, DRR, DSM, EBCM, ESC, FPDM, GBCM, HVAC Control Module, HVAC Control Module - Rear Auxiliary, IPC, PCM, Radio, RWSCM, RSA, RSE, SDM, TCSCM, VCIM, VTD

DTC U1000 in Computer/Integrating Systems

U1016

Lost Communications With Powertrain Control Module (PCM)

Audio Amplifier, BCM, CDX, DDM, DRR, EBCM, ESC, FPDM, GBCM, HVAC Control Module, HVAC Control Module - Rear Auxiliary, IPC, Radio, RWSCM, RSA, RSE, SDM, TCSCM, VCIM, VTD

DTC U1001-U1254 in Computer/Integrating Systems

U1022

Lost Communications With Generator Battery Control Module (GBCM)

IPC

DTC U1001-U1254 in Computer/Integrating Systems

U1026

Lost Communications With Transfer Case Shift Control Module (TCSCM)

BCM, EBCM, ESC, IPC, PCM, Radio, RWSCM, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1041

Lost Communications With Electronic Brake Control Module (EBCM)

BCM, DDM, ESC, FPDM, HVAC Control Module, IPC, PCM, RWSCM, SDM, TCSCM

DTC U1001-U1254 in Computer/Integrating Systems

U1048

Lost Communications With Rear Wheel Steering Control Module (RWSCM)

EBCM, IPC, PCM

DTC U1001-U1254 in Computer/Integrating Systems

U1056

Lost Communications With Electronic Suspension Control (ESC) Module

BCM, EBCM, IPC, PCM, RWSCM, SDM, TCSCM

DTC U1001-U1254 in Computer/Integrating Systems

U1064

Lost Communications With Body Control Module (BCM)

Audio Amplifier, BCM, CDX, DDM, DRR, DSM, EBCM, ESC, FPDM, GBCM, HVAC Control Module, HVAC Control Module - Rear Auxiliary, IPC, PCM, Radio, RWSCM, RSA, RSE, SDM, TCSCM, VCIM, VTD

DTC U1001-U1254 in Computer/Integrating Systems

U1088

Lost Communications With Sensing and Diagnostic Module (SDM)

BCM, IPC, PCM, VCIM

DTC U1001-U1254 in Computer/Integrating Systems

U1096

Lost Communications With Instrument Panel Cluster (IPC)

BCM, PCM, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1128

Lost Communications With Radio

Audio Amplifier, CDX, DRR, RSA, RSE, VCIM

DTC U1001-U1254 in Computer/Integrating Systems

U1129

Lost Communications With Audio Amplifier

CDX, DRR, Radio, RSA, RSE, VCIM

DTC U1001-U1254 in Computer/Integrating Systems

U1130

Lost Communications With Compact Disc Changer (CDX)

DRR, Radio, VCIM

DTC U1001-U1254 in Computer/Integrating Systems

U1133

Lost Communications With Rear Seat Entertainment (RSE) Assembly

DRR, Radio, VCIM

DTC U1001-U1254 in Computer/Integrating Systems

U1137

Lost Communications With Digital Radio Receiver (DRR)

Audio Amplifier, BCM, IPC, Radio

DTC U1001-U1254 in Computer/Integrating Systems

U1151

Lost Communications With Vehicle Communication Interface Module (Onstar®)

CDX, DRR, Radio

DTC U1001-U1254 in Computer/Integrating Systems

U1152

Lost Communications With HVAC Control Module

BCM, GBCM, IPC

DTC U1001-U1254 in Computer/Integrating Systems

U1154

Lost Communications With HVAC Control Module - Rear Auxiliary

RSA

DTC U1001-U1254 in Computer/Integrating Systems

U1160

Lost Communications With Driver Door Module (DDM)

BCM, DSM, FPDM

DTC U1001-U1254 in Computer/Integrating Systems

U1161

Lost Communications With Front Passenger Door Module (FPDM)

BCM, DDM, IPC

DTC U1001-U1254 in Computer/Integrating Systems

U1166

Lost Communications With Driver Seat Module (DSM)

BCM, DDM

DTC U1001-U1254 in Computer/Integrating Systems

U1167

Lost Communications With Rear Seat Audio Controller (RSA)

Audio Amplifier, BCM, CDX, DRR, HVAC Control Module, HVAC Control Module - Rear Auxiliary, Radio, VCIM

DTC U1001-U1254 in Computer/Integrating Systems

U1192

Lost Communications With Vehicle Theft Deterrent (VTD)

BCM, IPC

DTC U1001-U1254 in Computer/Integrating Systems

U1241

Lost Communication With Scan Tool

SDM

DTC U1241 in SIR

U1300

Class 2 Data Link Low

CDX, DRR, EBCM, ESC, HVAC Control Module, HVAC Control Module - Rear Auxiliary, IPC, PCM, Radio, RSA, RSE, RWSCM, SDM, VCIM, VTD

DTC U1300, U1301, or U1305 in Computer/Integrating Systems

U1301

Class 2 Data Link High

CDX, DRR, EBCM, ESC, HVAC Control Module, HVAC Control Module - Rear Auxiliary, IPC, PCM, Radio, RSA, RSE, RWSCM, SDM, VCIM, VTD

DTC U1300, U1301, or U1305 in Computer/Integrating Systems

U1305

Class 2 Data Link Low or High

Audio Amplifier, BCM, DDM, DSM, FPDM, GBCM

DTC U1300, U1301, or U1305 in Computer/Integrating Systems

U1500

Inter-device Dedicated Bus Malfunction

OnStar® VCIM

DTC U1500 in Cellular Communication

023

Seat Belt Tension Sensor Circuit Out of Range

PPS

DTC 023 in SIR

024

PPS Ignition 1 Voltage Performance

PPS

DTC 024 in SIR

063

PPS Out of Calibration

PPS

DTC 063 in SIR

064

PPS Communication/ID Performance

PPS

DTC 064 in SIR

065

PPS Sensor Circuit Out of Range

PPS

DTC 065 in SIR