GM Service Manual Online
For 1990-2009 cars only

This master DTC list includes all applicable DTCs in alphanumeric order with descriptors.

DTC

DTC Descriptor

Module That Sets the DTC

Diagnostic Procedure

B0016

Right Front/Passenger Frontal Deployment Loop Resistance Low

SDM

DTC B0016, B0017, or B0018 in SIR

B0017

Right Front/Passenger Frontal Deployment Loop Open

SDM

DTC B0016, B0017, or B0018 in SIR

B0018

Right Front/Passenger Frontal Deployment Loop Voltage Out of Range

SDM

DTC B0016, B0017, or B0018 in SIR

B0022

Left Front/Driver Frontal Deployment Loop Resistance Low

SDM

DTC B0022, B0024, or B0026 in SIR

B0024

Left Front/Driver Frontal Deployment Loop Voltage Out of Range

SDM

DTC B0022, B0024, or B0026 in SIR

B0026

Left Front/Driver Frontal Deployment Loop Open

SDM

DTC B0022, B0024, or B0026 in SIR

B0035

Auxiliary Discriminating Sensor (ADS) Closed or Shorted to Ground

SDM

DTC B0035 in SIR

B0036

Auxiliary Discriminating Sensor (ADS) Open, Missing, or Shorted to Battery

SDM

DTC B0036 in SIR

B0051

Deployment Commanded

SDM

DTC B0051 in SIR

B0053

Deployment Commanded With Loop DTCs Present

SDM

DTC B0053 in SIR

B1000

Electronic Control Unit (ECU) Performance

BCM, IPC, SDM

DTC B1000 in Computer/Integrating Systems

B1001

Option Configuration Error

SDM

DTC B1001 in SIR

B1367

Device Ignition 0 (UNLOCK, ON, and START) Circuit Low

IPC

DTC B1367 in Instrument Panel, Gages, and Console

B1397

Device Voltage Reference Output 1 Circuit Low

BCM

DTC B1397 in Lighting Systems

B1398

Device Voltage Reference Output 1Circuit High

BCM

DTC B1398 in Lighting Systems

B1477

Retained Accessory Power Circuit Low

BCM

DTC B1477 or B1478 in Computer/Integrating Systems

B1478

Retained Accessory Power Circuit High

BCM

DTC B1477 or B1478 in Computer/Integrating Systems

B1480

Battery Rundown Protection Circuit

BCM

DTC B1480 in Lighting Systems

B2575

Headlamp Control Circuit

BCM

DTC B2575 in Lighting Systems

B2577

Headlamp Control Circuit Low

BCM

DTC B2577 in Lighting Systems

B2585

Parklamp Control Circuit

BCM

DTC B2585 in Lighting Systems

B2613

Passenger Compartment Dimming 1 Circuit High

BCM

DTC B2613 n Lighting Systems

B2617

Passenger Compartment Dimming 2 Circuit Low

BCM

DTC B2617 in Lighting Systems

B2618

Passenger Compartment Dimming 2 Circuit High

BCM

DTC B2618 in Lighting Systems

B2647

Ambient Light Sensor Circuit Low

BCM

DTC B2647 in Lighting Systems

B2648

Ambient Light Sensor Circuit High

BCM

DTC B2648 in Lighting Systems

B2752

Horn Relay Coil Circuit Low

BCM

DTC B2752 in Horns

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

DTC B3031 in Theft Deterrent

B3033

Security System Indicates Tamper

BCM

DTC B3033 in Theft Deterrent

B3102

Keyless Entry Data Link Circuit Low

BCM

DTC B3102 in Keyless Entry

B3137

All Door Lock Circuit Low

BCM

DTC B3137 or B3138 in Doors

B3138

All Door Lock Circuit High

BCM

DTC B3137 or B3138 in Doors

B3147

Passenger Doors Unlock Switch Circuit Low

BCM

DTC B3147 or B3148 in Doors

B3148

Passenger Doors Unlock Switch Circuit High

BCM

DTC B3147 or B3148 in Doors

C0221

Right Front Wheel Speed Sensor Circuit Open

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0222

Right Front Wheel Speed Signal Missing

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0223

Right Front Wheel Speed Signal Erratic

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0225

Left Front Wheel Speed Sensor Circuit Open

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0226

Left Front Wheel Speed Signal Missing

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0227

Left Front Wheel Speed Signal Erratic

EBCM

DTC C0221-C0227 or C021 in Antilock Brake System

C0229

Drop Out of Both Front Speed Sensors

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 Missing

EBCM

DTC C0235-C0237 or P0609 in Antilock Brake System

C0237

Rear Wheel Speed Signal Erratic

EBCM

DTC C0235-C0237 or P0609 in Antilock Brake System

C0238

Wheel Speed Mismatch

EBCM

DTC C0238 or C038 in Antilock Brake System

C0241

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0242

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0243

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0244

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0245

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0246

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0247

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0248

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0251

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0252

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0253

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 in Antilock Brake System

C0254

EBCM Control Valve Circuit

EBCM

DTC C0241-C0254 or C041-C054 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

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

C0281

Stop Lamp Switch Circuit

EBCM

DTC C0281 or C081 in Antilock Brake System

C0284

EBCM Malfunction

EBCM

DTC C0271-C0273, C0284 in Antilock Brake System

C0300

Rear Propshaft Speed Sensor Malfunction

TCSCM

DTC C0300 in Transfer Case - NVG 136-NP4

C0305

Front Propshaft Speed Sensor Malfunction

TCSCM

DTC C0305 in Transfer Case - NVG 136-NP4

C0308

Motor A or B Circuit Low

TCSCM

DTC C0308 in Transfer Case - NVG 136-NP4

C0309

Motor A or B Circuit High

TCSCM

DTC C0309 in Transfer Case - NVG 136-NP4

C0310

Motor A or B Circuit Open

TCSCM

DTC C0310 in Transfer Case - NVG 136-NP4

C0315

Motor Ground Circuit Open

TCSCM

DTC C0315 in Transfer Case - NVG 136-NP4

C0374

General System Performance

TCSCM

DTC C0374 in Transfer Case - NVG 136-NP4

C0376

Front to Rear Propshaft Speed Mismatch Detected

TCSCM

DTC C0376 in Transfer Case - NVG 136-NP4

C0550

Electronic Control Unit (ECU) Performance

TCSCM

DTC C0550 in Transfer Case - NVG 136-NP4

C0611

VIN Information Error

TCSCM

DTC C0611 in Transfer Case - NVG 136-NP4

P0016

Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation

PCM

DTC P0016 in Engine Controls - 4.3L

P0053

HO2S Heater Resistance Bank 1 Sensor 1

PCM

DTC P0053, P0054, or P0059 in Engine Controls - 4.3L

P0054

HO2S Heater Resistance Bank 1 Sensor 2

PCM

DTC P0053, P0054, or P0059 in Engine Controls - 4.3L

P0059

HO2S Heater Resistance Bank 2 Sensor 1

PCM

DTC P0053, P0054, or P0059 in Engine Controls - 4.3L

P0101

Mass Air Flow (MAF) Sensor Performance

PCM

DTC P0101 in Engine Controls - 4.3L

P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

PCM

DTC P0102 in Engine Controls - 4.3L

P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

PCM

DTC P0103 in Engine Controls - 4.3L

P0106

Manifold Absolute Pressure (MAP) Sensor Performance

PCM

DTC P0106 in Engine Controls - 4.3L

P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

PCM

DTC P0107 in Engine Controls - 4.3L

P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

PCM

DTC P0108 in Engine Controls - 4.3L

P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

PCM

DTC P0112 in Engine Controls - 4.3L

P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

PCM

DTC P0113 in Engine Controls - 4.3L

P0116

Engine Coolant Temperature (ECT) Sensor Performance

PCM

DTC P0116 in Engine Controls - 4.3L

P0117

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

PCM

DTC P0117 in Engine Controls - 4.3L

P0118

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

PCM

DTC P0118 in Engine Controls - 4.3L

P0121

Throttle Position (TP) Sensor Performance

PCM

DTC P0121 in Engine Controls - 4.3L

P0122

Throttle Position (TP) Sensor Circuit Low Voltage

PCM

DTC P0122 in Engine Controls - 4.3L

P0123

Throttle Position (TP) Sensor Circuit High Voltage

PCM

DTC P0123 in Engine Controls - 4.3L

P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

PCM

DTC P0128 in Engine Controls - 4.3L

P0131

HO2S Circuit Low Voltage Bank 1 Sensor 1

PCM

DTC P0131 or P0151 in Engine Controls - 4.3L

P0132

HO2S Circuit High Voltage Bank 1 Sensor 1

PCM

DTC P0132 or P0152 in Engine Controls - 4.3L

P0133

HO2S Slow Response Bank 1 Sensor 1

PCM

DTC P0133 or P0153 in Engine Controls - 4.3L

P0134

HO2S Circuit Insufficient Activity Bank 1 Sensor 1

PCM

DTC P0134 or P0154 in Engine Controls - 4.3L

P0135

HO2S Heater Performance Bank 1 Sensor 1

PCM

DTC P0135, P0141, or P0155 in Engine Controls - 4.3L

P0137

HO2S Circuit Low Voltage Bank 1 Sensor 2

PCM

DTC P0137 in Engine Controls - 4.3L

P0138

HO2S Circuit High Voltage Bank 1 Sensor 2

PCM

DTC P0138 in Engine Controls - 4.3L

P0140

HO2S Circuit Insufficient Activity Bank 1 Sensor 2

PCM

DTC P0140 in Engine Controls - 4.3L

P0141

HO2S Heater Performance Bank 1 Sensor 2

PCM

DTC P0135, P0141, or P0155 in Engine Controls - 4.3L

P0151

HO2S Circuit Low Voltage Bank 2 Sensor 1

PCM

DTC P0131 or P0151 in Engine Controls - 4.3L

P0152

HO2S Circuit High Voltage Bank 2 Sensor 1

PCM

DTC P0132 or P0152 in Engine Controls - 4.3L

P0153

HO2S Slow Response Bank 2 Sensor 1

PCM

DTC P0133 or P0153 in Engine Controls - 4.3L

P0154

HO2S Circuit Insufficient Activity Bank 2 Sensor 1

PCM

DTC P0134 or P0154 in Engine Controls - 4.3L

P0155

HO2S Heater Performance Bank 2 Sensor 1

PCM

DTC P0135, P0141, or P0155 in Engine Controls - 4.3L

P0171

Fuel Trim System Lean Bank 1

PCM

DTC P0171 or P0174 in Engine Controls - 4.3L

P0172

Fuel Trim System Rich Bank 1

PCM

DTC P0172 or P0175 in Engine Controls - 4.3L

P0174

Fuel Trim System Lean Bank 2

PCM

DTC P0171 or P0174 in Engine Controls - 4.3L

P0175

Fuel Trim System Rich Bank 2

PCM

DTC P0172 or P0175 in Engine Controls - 4.3L

P0200

Injector Control Circuit

PCM

DTC P0200 in Engine Controls - 4.3L

P0218

Transmission Fluid Overtemperature

PCM

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

P0230

Fuel Pump Relay Control Circuit

PCM

DTC P0230 in Engine Controls - 4.3L

P0300

Engine Misfire Detected

PCM

DTC P0300 in Engine Controls - 4.3L

P0315

Crankshaft Position (CKP) System Variation Not Learned

PCM

DTC P0315 in Engine Controls - 4.3L

P0325

Knock Sensor (KS) Circuit

PCM

DTC P0325 in Engine Controls - 4.3L

P0327

Knock Sensor (KS) Circuit Low Frequency

PCM

DTC P0327 in Engine Controls - 4.3L

P0335

Crankshaft Position (CKP) Sensor Circuit

PCM

DTC P0335 in Engine Controls - 4.3L

P0336

Crankshaft Position (CKP) Sensor Performance

PCM

DTC P0336 in Engine Controls - 4.3L

P0341

Camshaft Position (CMP) Sensor Performance

PCM

DTC P0341 in Engine Controls - 4.3L

P0351

Ignition Coil 1 Control Circuit

PCM

DTC P0351 in Engine Controls - 4.3L

P0420

Catalyst System Low Efficiency Bank 1

PCM

DTC P0420 or P0430 in Engine Controls - 4.3L

P0430

Catalyst System Low Efficiency Bank 2

PCM

DTC P0420 or P0430 in Engine Controls - 4.3L

P0442

Evaporative Emission (EVAP) System Small Leak Detected

PCM

DTC P0442 in Engine Controls - 4.3L

P0443

Evaporative Emission (EVAP) Purge Solenoid Control Circuit

PCM

DTC P0443 in Engine Controls - 4.3L

P0446

Evaporative Emission (EVAP) Vent System Performance

PCM

DTC P0446 in Engine Controls - 4.3L

P0449

Evaporative Emission (EVAP) Vent Solenoid Control Circuit

PCM

DTC P0449 in Engine Controls - 4.3L

P0451

Fuel Tank Pressure (FTP) Sensor Performance

PCM

DTC P0451 in Engine Controls - 4.3L

P0452

Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

PCM

DTC P0452 in Engine Controls - 4.3L

P0453

Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

PCM

DTC P0453 in Engine Controls - 4.3L

P0454

Fuel Tank Pressure (FTP) Sensor Circuit Intermittent

PCM

DTC P0454 in Engine Controls - 4.3L

P0455

Evaporative Emission (EVAP) System Large Leak Detected

PCM

DTC P0455 in Engine Controls - 4.3L

P0461

Fuel Level Sensor Performance

PCM

DTC P0461 in Instrument Panel, Gages, and Console

P0462

Fuel Level Sensor Circuit Low Voltage

PCM

DTC P0462 in Instrument Panel, Gages, and Console

P0463

Fuel Level Sensor Circuit High Voltage

PCM

DTC P0463 in Instrument Panel, Gages, and Console

P0464

Fuel Level Sensor Circuit Intermittent

PCM

DTC P0464 in Instrument Panel, Gages, and Console

P0496

Evaporative Emission (EVAP) System Flow During Non-Purge

PCM

DTC P0496 in Engine Controls - 4.3L

P0502

Vehicle Speed Sensor (VSS) Circuit Low Voltage

PCM

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

P0503

Vehicle Speed Sensor (VSS) Circuit Intermittent

PCM

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

P0506

Idle Speed Low

PCM

DTC P0506 in Engine Controls - 4.3L

P0507

Idle Speed High

PCM

DTC P0507 in Engine Controls - 4.3L

P0562

System Voltage Low

PCM

DTC P0562 in Engine Electrical

P0563

System Voltage High

PCM

DTC P0563 in Engine Electrical

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 - 4.3L

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 - 4.3L

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 - 4.3L

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 - 4.3L

P0608

Vehicle Speed Output Circuit

PCM

DTC P0608 in Instrument Panel, Gages, and Console

P0609

Vehicle Speed Output Circuit 2

PCM

DTC C0235-C0237 or P0609 in Antilock Brake System

P0622

Generator F-Terminal Circuit

PCM

DTC P0622 in Engine Electrical

P0641

5 Volt Reference 1 Circuit

PCM

DTC P0641 in Engine Controls - 4.3L

P0650

Malfunction Indicator Lamp (MIL) Control Circuit

PCM

DTC P0650 in Engine Controls - 4.3L

P0651

5 Volt Reference 2 Circuit

PCM

DTC P0651 in Engine Controls - 4.3L

P0706

Transmission Range (TR) Switch Performance

PCM

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

P0711

Transmission Fluid Temperature (TFT) Sensor Performance

PCM

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

P0712

Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage

PCM

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

P0713

Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage

PCM

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

P0719

Brake Switch Circuit Low Voltage

PCM

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

P0724

Brake Switch Circuit High Voltage

PCM

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

P0742

Torque Converter Clutch (TCC) System - Stuck On

PCM

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

P0748

Pressure Control (PC) Solenoid Control Circuit

PCM

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

P0751

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

PCM

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

P0752

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

PCM

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

P0753

1-2 Shift Solenoid (SS) Control Circuit

PCM

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

P0756

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

PCM

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

P0757

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

PCM

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

P0785

3-2 Shift Solenoid (SS) Control Circuit

PCM

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

P0894

Transmission Component Slipping

PCM

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

P1106

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

PCM

DTC P1106 in Engine Controls - 4.3L

P1107

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1107 in Engine Controls - 4.3L

P1111

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

PCM

DTC P1111 in Engine Controls - 4.3L

P1112

Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1112 in Engine Controls - 4.3L

P1114

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1114 in Engine Controls - 4.3L

P1115

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

PCM

DTC P1115 in Engine Controls - 4.3L

P1121

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

PCM

DTC P1121 in Engine Controls - 4.3L

P1122

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1122 in Engine Controls - 4.3L

P1133

HO2S Insufficient Switching Bank 1 Sensor 1

PCM

DTC P1133 or P1153 in Engine Controls - 4.3L

P1134

HO2S Transition Time Ratio Bank 1 Sensor 1

PCM

DTC P1134 or P1154 in Engine Controls - 4.3L

P1153

HO2S Insufficient Switching Bank 2 Sensor 1

PCM

DTC P1133 or P1153 in Engine Controls - 4.3L

P1154

HO2S Transition Time Ratio Bank 2 Sensor 1

PCM

DTC P1134 or P1154 in Engine Controls - 4.3L

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 - 4.3L

P1381

Misfire Detected - No Communication With Brake Control Module

PCM

DTC P1381 in Engine Controls - 4.3L

P1626

Theft Deterrent Fuel Enable Signal Lost

PCM

DTC P1626 in Theft Deterrent

P1631

Theft Deterrent Fuel Enable Signal Not Correct

PCM

DTC P1631 in Theft Deterrent

P1637

Generator L-Terminal Circuit

PCM

DTC P1637 in Engine Electrical

P1638

Generator F-Terminal Circuit

PCM

DTC P1638 in Engine Electrical

P1810

Transmission Fluid Pressure (TFP) Position Switch Circuit

PCM

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

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 - 4.3L

P2761

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

PCM

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

P2A01

HO2S Performance Bank 1 Sensor 2

PCM

DTC P2A01 in Engine Controls - 4.3L

U1000

Class 2 Data Link

BCM, DIC, EBCM, IPC, PCM, SDM, TCSCM

DTC U1000 and U1255 in Computer/Integrating Systems

U1016

Lost Communications With Powertrain Control Module (PCM)

BCM, IPC, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1026

Lost Communications With Transfer Case Shift Control Module (TCSCM)

PCM

DTC U1001-U1254 in Computer/Integrating Systems

U1041

Lost Communications With Electronic Brake Control Module (EBCM)

IPC, PCM, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1064

Lost Communications With Body Control Module (BCM)

IPC, PCM, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1088

Lost Communications With Sensing and Diagnostic Module (SDM)

BCM, PCM

DTC U1001-U1254 in Computer/Integrating Systems

U1096

Lost Communications With Instrument Panel Cluster (IPC)

IPC, PCM, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1097

Lost Communications With Driver Information Center (DIC)

IPC, PCM

DTC U1001-U1254 in Computer/Integrating Systems

U1255

Class 2 Data Link

BCM, DIC, EBCM, IPC, PCM, SDM, TCSCM

DTC U1000 and U1255 in Computer/Integrating Systems

U1300

Class 2 Data Link Low

BCM, DIC, EBCM, IPC, PCM, SDM, TCSCM

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

U1301

Class 2 Data Link High

BCM, DIC, EBCM, IPC, PCM, SDM, TCSCM

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

U1305

Class 2 Data Link Low or High

BCM, DIC, EBCM, IPC, PCM, SDM, TCSCM

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