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

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 (single stage or stage 1) Resistance Low

SDM

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

B0017

Passenger Frontal Deployment Loop (single stage or stage 1) Open

SDM

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

B0018

Passenger Frontal Deployment Loop (single stage or stage 1) Voltage Out of Range

SDM

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

B0022

Driver Frontal Deployment Loop (single stage or stage 1) Resistance Low

SDM

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

B0024

Driver Frontal Deployment Loop (single stage or stage 1) Voltage Out of Range

SDM

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

B0026

Driver Frontal Deployment Loop (single stage or stage 1) Open

SDM

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

B0028

Right Front Side Deployment Loop Resistance Low

SDM

DTC B0028, B0029, or B0030 in SIR

B0029

Right Front Side Deployment Loop Open

SDM

DTC B0028, B0029, or B0030 in SIR

B0030

Right Front Side Deployment Loop Voltage Out of Range

SDM

DTC B0028, B0029, or B0030 in SIR

B0040

Left Front Side Deployment Loop Resistance Low

SDM

DTC B0040, B0041, or B0045 in SIR

B0041

Left Front 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 Front Side 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

B0057

Right Front Pretensioner Deployment Loop Resistance Low

SDM

DTC B0057, B0058, or B0059 in SIR

B0058

Right Front Pretensioner Deployment Loop Open

SDM

DTC B0057, B0058, or B0059 in SIR

B0059

Right Front Pretensioner Deployment Loop Voltage Out of Range

SDM

DTC B0057, B0058, or B0059 in SIR

B0064

Left Front Pretensioner Deployment Loop Resistance Low

SDM

DTC B0064, B0065, or B0066 in SIR

B0065

Left Front Pretensioner Deployment Loop Open

SDM

DTC B0064, B0065, or B0066 in SIR

B0066

Left Front Pretensioner Deployment Loop Voltage Out of Range

SDM

DTC B0064, B0065, or B0066 in SIR

B0077

Driver Side Impact Sensor (SIS) Performance

SDM

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

B0078

Passenger Side Impact Sensor (SIS) Performance

SDM

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

B0079

Incorrect Driver Side Impact Sensor (SIS) Installed

SDM

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

B0080

Discard Driver Side Impact Sensor (SIS)

SDM

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

B0081

Incorrect Passenger Side Impact Sensor (SIS) Installed

SDM

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

B0082

Discard Passenger Side Impact Sensor (SIS)

SDM

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

B0285

Electric Rear Defrost Circuit Low

BCM

DTC B0285 in Stationary Windows

B1000

Electronic Control Unit (ECU) Performance

BCM, SDM, ECM, IPC, EBCM, VCIM, EPS

DTC B1000 in Computer/Integrating Systems

B1001

Option Configuration Error

BCM, EBCM

DTC B1001 in Computer/Integrating Systems

SDM

DTC B1001 in SIR

B1004

Keep Alive Memory (KAM) Reset

OnStar® VCIM

DTC B1004 in Computer/Integrating Systems

B1009

EEPROM Checksum Mismatch

OnStar® VCIM

DTC B1009 in Computer/Integrating Systems

B1015

Vehicle Identification Number (VIN) Information Error

BCM

DTC B1015 in Instrument Panel, Gages, and Console

B1025

Audio ([+] or Generic) Output 1 (Left Front or Generic) Circuit

Radio

DTC B1025, B1035, B1045, or B1055 in Entertainment

B1030

Audio [-] Output 1 (Left Front or Generic) Circuit

Radio

DTC B1030, B1040, B1050, or B1060 in Entertainment

B1035

Audio ([+] or Generic) Output 2 (Right Front) Circuit

Radio

DTC B1025, B1035, B1045, or B1055 in Entertainment

B1040

Audio [-] Output 2 (Right Front) Circuit

Radio

DTC B1030, B1040, B1050, or B1060 in Entertainment

B1045

Audio ([+] or Generic) Output 3 (Left Rear) Circuit

Radio

DTC B1025, B1035, B1045, or B1055 in Entertainment

B1050

Audio [-] Output 3 (Left Rear) Circuit

Radio

DTC B1030, B1040, B1050, or B1060 in Entertainment

B1055

Audio ([+] or Generic) Output 4 (Right Rear) Circuit

Radio

DTC B1025, B1035, B1045, or B1055 in Entertainment

B1060

Audio [-] Output 4 (Right Rear) Circuit

Radio

DTC B1030, B1040, B1050, or B1060 in Entertainment

B1259

Antenna Ground Circuit

DRR

DTC B1259 in Entertainment

B1325

Device Power 1 Circuit

BCM

DTC B1325 in Engine Electrical

B1327

Device Power 1 Circuit Low

BCM, VCIM

DTC B1327 in Engine Electrical

B1328

Device Power 1 Circuit High

BCM, VCIM

DTC B1328 in Engine Electrical

B1372

Device Ignition 1 (ON and START) Circuit Low

BCM

DTC B1372, B1373, or B1374 in Computer/Integrating Systems

B1373

Device Ignition 1 (ON and START) Circuit High

BCM

DTC B1372, B1373, or B1374 in Computer/Integrating Systems

B1374

Device Ignition 1 (ON and START) Circuit Open

BCM

DTC B1372, B1373, or B1374 in Computer/Integrating Systems

B1382

Device Ignition ACCESSORY Circuit Low

BCM

DTC B1382, B1383, or B1384 in Computer/Integrating Systems

B1383

Device Ignition ACCESSORY Circuit High

BCM

DTC B1382, B1383, or B1384 in Computer/Integrating Systems

B1384

Device Ignition ACCESSORY Circuit Open

BCM

DTC B1382, B1383, or B1384 in Computer/Integrating Systems

B1441

Device Ignition OFF, RUN, and CRANK Circuit

BCM

DTC B1441, B1442, or B1443 in Computer/Integrating Systems

B1442

Device Ignition OFF, RUN, and CRANK Circuit Low

BCM

DTC B1441, B1442, or B1443 in Computer/Integrating Systems

B1443

Device Ignition OFF, RUN, and CRANK Circuit High

BCM

DTC B1441, B1442, or B1443 in Computer/Integrating Systems

B1482

Battery Rundown Protection Circuit Low

BCM

DTC B1482 in Lighting Systems

B2455

Cellular Phone Microphone Circuit

OnStar® VCIM

DTC B2455 in Cellular Communication

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

B2558

Passenger Compartment Lamp Control Circuit High

BCM

DTC B2558 in Lighting Systems

B2613

Passenger Compartment Dimming Circuit High

BCM

DTC B2613 in Lighting Systems

B2627

Display Dimming Pulse Width Modulation (PWM) Output Circuit Low

BCM

DTC B2627 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

B2707

Gearshift Unlock Circuit Low

BCM

DTC B2707 in Shift Lock Control

B2709

Gearshift Unlock Circuit Open

BCM

DTC B2709 in Shift Lock Control

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

B3031

Security System Controller In Learn Mode

BCM

DTC B3031 in Theft Deterrent

B3033

Security System Indicates Tamper

BCM

DTC B3033 in Theft Deterrent

B3109

Keyless Entry Transmitter (Single or 1) Low Battery

RFA

DTC B3109 in Keyless Entry

B3127

Left Front/Driver Door Only Unlock Circuit Low

BCM

DTC B3127 in Doors

B3132

All Door Unlock Circuit Low

BCM

DTC B3132 in Doors

B3137

All Door Lock Circuit Low

BCM

DTC B3137 in Doors

B3267

Trunk Release Output Circuit Low

BCM

DTC B3267 in Body Rear End

B3268

Trunk Release Output Circuit High

BCM

DTC B3268 in Body Rear End

B3715

Front Wiper Relay Drive Circuit

BCM

DTC B3715, B3716, B3717, B3718, or B3719 in Wiper/Washer Systems

B3716

Front Wiper Relay Drive Circuit Range/Performance

BCM

DTC B3715, B3716, B3717, B3718, or B3719 in Wiper/Washer Systems

B3717

Front Wiper Relay Drive Circuit Low

BCM

DTC B3715, B3716, B3717, B3718, or B3719 in Wiper/Washer Systems

B3718

Front Wiper Relay Drive Circuit High

BCM

DTC B3715, B3716, B3717, B3718, or B3719 in Wiper/Washer Systems

B3719

Front Wiper Relay Drive Circuit Open

BCM

DTC B3715, B3716, B3717, B3718, or B3719 in Wiper/Washer Systems

B3948

Left Front Turn Signal Circuit

BCM

DTC B3948 in Lighting Systems

B3949

Right Front Turn Signal Circuit

BCM

DTC B3949 in Lighting Systems

B3950

Left Rear Turn Signal Circuit

BCM

DTC B3950 in Lighting Systems

B3951

Right Rear Turn Signal Circuit

BCM

DTC B3951 in Lighting Systems

C0000

Vehicle Speed Information Circuit

PSCM

DTC C0000 in Power Steering System

C0035

Left Front Wheel Speed Sensor Circuit Malfunction

EBCM

DTC C0035-C0051 in Antilock Brake System

C0036

Left Front Wheel Speed Sensor Circuit Range/Performance

EBCM

DTC C0035-C0051 in Antilock Brake System

C0040

Right Front Wheel Speed Sensor Circuit Malfunction

EBCM

DTC C0035-C0051 in Antilock Brake System

C0041

Right Front Wheel Speed Sensor Circuit Range/Performance

EBCM

DTC C0035-C0051 in Antilock Brake System

C0045

Left Rear Wheel Speed Sensor Circuit Malfunction

EBCM

DTC C0035-C0051 in Antilock Brake System

C0046

Left Rear Wheel Speed Sensor Circuit Range/Performance

EBCM

DTC C0035-C0051 in Antilock Brake System

C0050

Right Rear Wheel Speed Sensor Circuit Malfunction

EBCM

DTC C0035-C0051 in Antilock Brake System

C0051

Right Rear Wheel Speed Sensor Circuit Range/Performance

EBCM

DTC C0035-C0051 in Antilock Brake System

C0060

Left Front ABS Solenoid #1 Circuit Malfunction

EBCM

DTC C0060-C0095 in Antilock Brake System

C0065

Left Front ABS Solenoid #2 Circuit Malfunction

EBCM

DTC C0060-C0095 in Antilock Brake System

C0070

Right Front ABS Solenoid #1 Circuit Malfunction

EBCM

DTC C0060-C0095 in Antilock Brake System

C0075

Right Front ABS Solenoid #2 Circuit Malfunction

EBCM

DTC C0060-C0095 in Antilock Brake System

C0080

Left Rear ABS Solenoid #1 Circuit Malfunction

EBCM

DTC C0060-C0095 in Antilock Brake System

C0085

Left Rear ABS Solenoid #2 Circuit Malfunction

EBCM

DTC C0060-C0095 in Antilock Brake System

C0090

Right Rear ABS Solenoid #1 Circuit Malfunction

EBCM

DTC C0060-C0095 in Antilock Brake System

C0095

Right Rear ABS Solenoid #2 Circuit Malfunction

EBCM

DTC C0060-C0095 in Antilock Brake System

C0110

Pump Motor Circuit Malfunction

EBCM

DTC C0110 in Antilock Brake System

C0121

Valve Relay Circuit Malfunction

EBCM

DTC C0121 in Antilock Brake System

C0129

Low Brake Fluid Circuit High

BCM

DTC C0267 in Hydraulic Brakes

C0161

ABS/TCS Brake Switch Circuit Malfunction

EBCM

DTC C0161 in Antilock Brake System

C0245

Wheel Speed Sensor Frequency Error

EBCM

DTC C0245 in Antilock Brake System

C0267

Low Brake Fluid Indicated

BCM

DTC C0267 in Hydraulic Brakes

C0475

Steering Position and Rate of Change Sensor Circuit High

PSCM

DTC C0475 in Power Steering System

C0476

Electric Steering Motor Circuit Range/Performance

PSCM

DTC C0476 in Power Steering System

C0545

Steering Wheel Torque Input Sensor

PSCM

DTC C0545 in Power Steering System

C0550

ECU Malfunction

EBCM, EPS

DTC C0550 in Computer/Integrating Systems

C0847

Device Ignition 1 Circuit Low

PSCM

DTC C0847 in Power Steering System

C0848

Device Ignition 1 Circuit High

PSCM

DTC C0848 in Power Steering System

C0896

System High/Low Voltage

EBCM

DTC C0896 in Antilock Brake System

PSCM

DTC C0896 in Power Steering System

C0899

Device Voltage Low

PSCM

DTC C0899 in Power Steering System

C0900

Device Voltage High

PSCM

DTC C0900 in Power Steering System

P0030

HO2S Heater Control Circuit Sensor 1

ECM, PCM

DTC P0030 or P0036 in Engine Controls - 2.0L

DTC P0030 or P0036 in Engine Controls - 2.2L (L61)

P0033

Supercharger Bypass Valve Solenoid Control Circuit

PCM

DTC P0033 in Engine Controls - 2.0L

P0036

HO2S Heater Control Circuit Sensor 2

ECM, PCM

DTC P0030 or P0036 in Engine Controls - 2.0L

DTC P0030 or P0036 in Engine Controls - 2.2L (L61)

P0068

Throttle Body Airflow Performance

ECM, PCM

DTC P0068 in Engine Controls - 2.0L

DTC P0068 in Engine Controls - 2.2L (L61)

P0069

Manifold Absolute Pressure - Barometric Pressure Correlation

PCM

DTC P0069 in Engine Controls - 2.0L

P0097

Intake Air Temperature (IAT) Sensor 2 Circuit Low Voltage

PCM

DTC P0097 in Engine Controls - 2.0L

P0098

Intake Air Temperature (IAT) Sensor 2 Circuit High Voltage

PCM

DTC P0098 in Engine Controls - 2.0L

P0101

Mass Air Flow (MAF) Sensor Performance

ECM, PCM

DTC P0101 in Engine Controls - 2.0L

DTC P0101 in Engine Controls - 2.2L (L61)

P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

ECM, PCM

DTC P0102 in Engine Controls - 2.0L

DTC P0102 in Engine Controls - 2.2L (L61)

P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

ECM, PCM

DTC P0103 in Engine Controls - 2.0L

DTC P0103 in Engine Controls - 2.2L (L61)

P0106

Manifold Absolute Pressure (MAP) Sensor Performance

ECM, PCM

DTC P0106 in Engine Controls - 2.0L

DTC P0106 in Engine Controls - 2.2L (L61)

P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

ECM, PCM

DTC P0107 in Engine Controls - 2.0L

DTC P0107 in Engine Controls - 2.2L (L61)

P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

ECM, PCM

DTC P0108 in Engine Controls - 2.0L

DTC P0108 in Engine Controls - 2.2L (L61)

P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

ECM, PCM

DTC P0112 in Engine Controls - 2.0L

DTC P0112 in Engine Controls - 2.2L (L61)

P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

ECM, PCM

DTC P0113 in Engine Controls - 2.0L

DTC P0113 in Engine Controls - 2.2L (L61)

P0117

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

ECM, PCM

DTC P0117 in Engine Controls - 2.0L

DTC P0117 in Engine Controls - 2.2L (L61)

P0118

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

ECM, PCM

DTC P0118 in Engine Controls - 2.0L

DTC P0118 in Engine Controls - 2.2L (L61)

P0120

Throttle Position (TP) Sensor 1 Circuit

ECM, PCM

DTC P0120 in Engine Controls - 2.0L

DTC P0120 in Engine Controls - 2.2L (L61)

P0121

Throttle Position (TP) Sensor Performance

ECM, PCM

DTC P0121 in Engine Controls - 2.0L

DTC P0121 in Engine Controls - 2.2L (L61)

P0122

Throttle Position (TP) Sensor Circuit Low Voltage

ECM, PCM

DTC P0122 in Engine Controls - 2.0L

DTC P0122 in Engine Controls - 2.2L (L61)

P0123

Throttle Position (TP) Sensor Circuit High Voltage

ECM, PCM

DTC P0123 in Engine Controls - 2.0L

DTC P0123 in Engine Controls - 2.2L (L61)

P0125

Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control

ECM, PCM

DTC P0125 in Engine Controls - 2.0L

DTC P0125 in Engine Controls - 2.2L (L61)

P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

ECM, PCM

DTC P0128 in Engine Controls - 2.0L

DTC P0128 in Engine Controls - 2.2L (L61)

P0130

HO2S Circuit Sensor 1

ECM, PCM

DTC P0130 in Engine Controls - 2.0L

DTC P0130 in Engine Controls - 2.2L (L61)

P0131

HO2S Circuit Low Voltage Sensor 1

ECM, PCM

DTC P0131 in Engine Controls - 2.0L

DTC P0131 in Engine Controls - 2.2L (L61)

P0132

HO2S Circuit High Voltage Sensor 1

ECM, PCM

DTC P0132 in Engine Controls - 2.0L

DTC P0132 in Engine Controls - 2.2L (L61)

P0133

HO2S Slow Response Sensor 1

ECM, PCM

DTC P0133 in Engine Controls - 2.0L

DTC P0133 in Engine Controls - 2.2L (L61)

P0134

HO2S Circuit Insufficient Activity Sensor 1

ECM, PCM

DTC P0134 in Engine Controls - 2.0L

DTC P0134 in Engine Controls - 2.2L (L61)

P0135

HO2S Heater Performance Sensor 1

ECM, PCM

DTC P0135 in Engine Controls - 2.0L

DTC P0135 or P0141 in Engine Controls - 2.2L (L61)

P0136

HO2S Circuit Sensor 2

ECM, PCM

DTC P0136 in Engine Controls - 2.0L

DTC P0136 in Engine Controls - 2.2L (L61)

P0137

HO2S Circuit Low Voltage Sensor 2

ECM, PCM

DTC P0137 in Engine Controls - 2.0L

DTC P0137 in Engine Controls - 2.2L (L61)

P0138

HO2S Circuit High Voltage Sensor 2

ECM, PCM

DTC P0138 in Engine Controls - 2.0L

DTC P0138 in Engine Controls - 2.2L (L61)

P0140

HO2S Circuit Insufficient Activity Sensor 2

ECM, PCM

DTC P0140 in Engine Controls - 2.0L

DTC P0140 in Engine Controls - 2.2L (L61)

P0141

HO2S Heater Performance Sensor 2

ECM, PCM

DTC P0141 in Engine Controls - 2.0L

DTC P0135 or P0141 in Engine Controls - 2.2L (L61)

P0171

Fuel Trim System Lean

ECM, PCM

DTC P0171 in Engine Controls - 2.0L

DTC P0171 in Engine Controls - 2.2L (L61)

P0172

Fuel Trim System Rich

ECM, PCM

DTC P0172 in Engine Controls - 2.0L

DTC P0172 in Engine Controls - 2.2L (L61)

P0201

Injector 1 Control Circuit

ECM, PCM

DTC P0201, P0202, P0203, or P0204 in Engine Controls - 2.0L

DTC P0201, P0202, P0203, or P0204 in Engine Controls - 2.2L (L61)

P0202

Injector 2 Control Circuit

ECM, PCM

DTC P0201, P0202, P0203, or P0204 in Engine Controls - 2.0L

DTC P0201, P0202, P0203, or P0204 in Engine Controls - 2.2L (L61)

P0203

Injector 3 Control Circuit

ECM, PCM

DTC P0201, P0202, P0203, or P0204 in Engine Controls - 2.0L

DTC P0201, P0202, P0203, or P0204 in Engine Controls - 2.2L (L61)

P0204

Injector 4 Control Circuit

ECM, PCM

DTC P0201, P0202, P0203, or P0204 in Engine Controls - 2.0L

DTC P0201, P0202, P0203, or P0204 in Engine Controls - 2.2L (L61)

P0217

Engine Coolant Overtemperature

ECM, PCM

DTC P0217 in Engine Cooling

P0218

Transmission Fluid Overtemperature

TCM

DTC P0218 in Automatic Transaxle - 4T40-E/4T45-E

P0220

Throttle Position (TP) Sensor 2 Circuit

ECM, PCM

DTC P0220 in Engine Controls - 2.0L

DTC P0220 in Engine Controls - 2.2L (L61)

P0222

TPS 2 Out of Range Low

ECM, PCM

DTC P0222 in Engine Controls - 2.0L

DTC P0222 in Engine Controls - 2.2L (L61)

P0223

TPS 2 Out of Range High

ECM, PCM

DTC P0223 in Engine Controls - 2.0L

DTC P0223 in Engine Controls - 2.2L (L61)

P0230

Fuel Pump Relay Control Circuit

ECM, PCM

DTC P0230 in Engine Controls - 2.0L

DTC P0230 in Engine Controls - 2.2L (L61)

P023A

Charge Air Cooler (CAC) Coolant Pump Relay Control Circuit

PCM

DTC P023A in Engine Controls - 2.0L

P0300

Engine Misfire Detected

ECM, PCM

DTC P0300 in Engine Controls - 2.0L

DTC P0300 in Engine Controls - 2.2L (L61)

P0301

Cylinder 1 Misfire Detected

PCM

DTC P0301-P0304 in Engine Controls - 2.0L

P0302

Cylinder 2 Misfire Detected

PCM

DTC P0301-P0304 in Engine Controls - 2.0L

P0303

Cylinder 3 Misfire Detected

PCM

DTC P0301-P0304 in Engine Controls - 2.0L

P0304

Cylinder 4 Misfire Detected

PCM

DTC P0301-P0304 in Engine Controls - 2.0L

P0315

Crankshaft Position (CKP) System Variation Not Learned

ECM, PCM

DTC P0315 in Engine Controls - 2.0L

DTC P0315 in Engine Controls - 2.2L (L61)

P0325

Knock Sensor (KS) Circuit

ECM, PCM

DTC P0325 in Engine Controls - 2.0L

DTC P0325 in Engine Controls - 2.2L (L61)

P0326

Knock Sensor (KS) Performance

ECM, PCM

DTC P0326 in Engine Controls - 2.0L

DTC P0326 in Engine Controls - 2.2L (L61)

P0327

Knock Sensor (KS) Circuit Low Frequency

ECM, PCM

DTC P0327 in Engine Controls - 2.0L

DTC P0327 in Engine Controls - 2.2L (L61)

P0335

Crankshaft Position (CKP) Sensor Circuit

ECM, PCM

DTC P0335 in Engine Controls - 2.0L

DTC P0335 in Engine Controls - 2.2L (L61)

P0336

Crankshaft Position (CKP) Sensor Performance

ECM, PCM

DTC P0336 in Engine Controls - 2.0L

DTC P0336 in Engine Controls - 2.2L (L61)

P0340

Camshaft Position (CMP) Sensor Circuit

ECM, PCM

DTC P0340 in Engine Controls - 2.0L

DTC P0340 in Engine Controls - 2.2L (L61)

P0341

Camshaft Position (CMP) Sensor Performance

ECM, PCM

DTC P0341 in Engine Controls - 2.0L

DTC P0341 in Engine Controls - 2.2L (L61)

P0420

Catalyst System Low Efficiency

ECM, PCM

DTC P0420 in Engine Controls - 2.0L

DTC P0420 in Engine Controls - 2.2L (L61)

P0442

Evaporative Emission (EVAP) System Small Leak Detected

ECM, PCM

DTC P0442 in Engine Controls - 2.0L

DTC P0442 in Engine Controls - 2.2L (L61)

P0443

Evaporative Emission (EVAP) Purge Solenoid Control Circuit

ECM, PCM

DTC P0443 in Engine Controls - 2.0L

DTC P0443 in Engine Controls - 2.2L (L61)

P0446

Evaporative Emission (EVAP) Vent System Performance

ECM, PCM

DTC P0446 in Engine Controls - 2.0L

DTC P0446 in Engine Controls - 2.2L (L61)

P0449

Evaporative Emission (EVAP) Vent Solenoid Control Circuit

ECM, PCM

DTC P0449 in Engine Controls - 2.0L

DTC P0449 in Engine Controls - 2.2L (L61)

P0451

Fuel Tank Pressure (FTP) Sensor Performance

ECM, PCM

DTC P0451 in Engine Controls - 2.0L

DTC P0451 in Engine Controls - 2.2L (L61)

P0452

Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

ECM, PCM

DTC P0452 in Engine Controls - 2.0L

DTC P0452 in Engine Controls - 2.2L (L61)

P0453

Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

ECM, PCM

DTC P0453 in Engine Controls - 2.0L

DTC P0453 in Engine Controls - 2.2L (L61)

P0454

Fuel tank Pressure (FTP) Sensor Circuit Intermittent

ECM, PCM

DTC P0454 in Engine Controls - 2.0L

DTC P0454 in Engine Controls - 2.2L (L61)

P0455

Evaporative Emission (EVAP) System Large Leak Detected

ECM, PCM

DTC P0455 in Engine Controls - 2.0L

DTC P0455 in Engine Controls - 2.2L (L61)

P0461

Fuel Level Sensor Performance

BCM

DTC P0461 in Instrument Panel, Gages, and Console

P0462

Fuel Level Sensor Circuit Low Voltage

ECM, PCM

DTC P0462 in Instrument Panel, Gages, and Console

P0463

Fuel Level Sensor Circuit High Voltage

ECM, PCM

DTC P0463 in Instrument Panel, Gages, and Console

P0480

Cooling Fan Relay 1 Control Circuit

ECM, PCM

DTC P0480, P0481 or P0691 in Engine Cooling

P0481

Cooling Fan Relay 2 Control Circuit

ECM, PCM

DTC P0480, P0481 or P0691 in Engine Cooling

P0496

Evaporative Emission (EVAP) System Flow During Non-Purge

ECM, PCM

DTC P0496 in Engine Controls - 2.0L DTC P0496 in Engine Controls - 2.2L (L61)

P0502

Vehicle Speed Sensor (VSS) Circuit Low Voltage

ECM, PCM

DTC P0502 in Manual Transmission - MU3

DTC P0502 in Manual Transmission - Getrag 5 Speed

P0503

Vehicle Speed Sensor (VSS) Circuit Intermittent

ECM, PCM

DTC P0503 in Manual Transmission - MU3

DTC P0503 in Manual Transmission - Getrag 5 Speed

P0506

Idle Speed Low

ECM, PCM

DTC P0506 in Engine Controls - 2.0L

DTC P0506 in Engine Controls - 2.2L (L61)

P0507

Idle Speed High

ECM, PCM

DTC P0507 in Engine Controls - 2.0L

DTC P0507 in Engine Controls - 2.2L (L61)

P0520

Engine Oil Pressure (EOP) Sensor Circuit

ECM, PCM

DTC P0520 in Instrument Panel, Gages, and Console

P0532

Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit Low Voltage

ECM, PCM

DTC P0532 or P0533 in HVAC Systems - Manual

P0533

Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit High Voltage

ECM, PCM

DTC P0532 or P0533 in HVAC Systems - Manual

P0562

System Voltage Low

ECM, PCM, TCM

DTC P0562 in Engine Electrical

DTC P0562 in Automatic Transaxle - 4T40-E/4T45-E

P0563

System Voltage High

ECM, PCM, TCM

DTC P0563 in Engine Electrical

DTC P0563 in Automatic Transaxle - 4T40-E/4T45-E

P0564

Cruise Control Multi-Function Switch Circuit

ECM

DTC P0564 in Cruise Control

P0601

Transmission Control Module (TCM) Read Only Memory (ROM)

TCM

DTC P0601, P0602, P0603, or P0604 in Automatic Transaxle - 4T40-E/4T45-E

P0601

Control Module Read Only Memory (ROM)

ECM, PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)

P0602

Transmission Control Module (TCM) Not Programmed

TCM

DTC P0601, P0602, P0603, or P0604 in Automatic Transaxle - 4T40-E/4T45-E

P0602

Control Module Not Programmed

ECM, PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)

P0603

Transmission Control Module (TCM) Long Term Memory Reset

TCM

DTC P0601, P0602, P0603, or P0604 in Automatic Transaxle - 4T40-E/4T45-E

P0603

Control Module Long Term Memory Reset

ECM, PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)

P0604

Transmission Control Module (TCM) Random Access Memory (RAM)

TCM

DTC P0601, P0602, P0603, or P0604 in Automatic Transaxle - 4T40-E/4T45-E

P0604

Control Module Random Access Memory (RAM)

PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

P0606

Control Module Internal Performance

ECM, PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)

P0607

Control Module Performance

PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

P0621

Generator L-Terminal Circuit

ECM, PCM

DTC P0621 in Engine Electrical

P0622

Generator F-Terminal Circuit

ECM, PCM

DTC P0622 in Engine Electrical

P0641

5-Volt Reference 1 Circuit

ECM, PCM

DTC P0641 in Engine Controls - 2.0L

DTC P0641 in Engine Controls - 2.2L (L61)

P0646

Air Conditioning (A/C) Clutch Relay Control Circuit Low Voltage

ECM, PCM

DTC P0646 or P0647 in HVAC Systems - Manual

P0647

Air Conditioning (A/C) Clutch Relay Control Circuit High Voltage

ECM, PCM

DTC P0646 or P0647 in HVAC Systems - Manual

P0650

Malfunction Indicator Lamp (MIL) Control Circuit

ECM, PCM

DTC P0650 in Engine Controls - 2.0L

DTC P0650 in Engine Controls - 2.2L (L61)

P0651

5-Volt Reference 2 Circuit

ECM, PCM

DTC P0651 in Engine Controls - 2.0L

DTC P0651 in Engine Controls - 2.2L (L61)

P0691

Cooling Fan Speed Output Circuit Low Voltage

ECM, PCM

DTC P0480, P0481 or P0691 in Engine Cooling

P0700

Transmission Control Module (TCM) Requested MIL Illumination

ECM

DTC P0700 in Engine Controls - 2.2L (L61)

P0705

Transmission Range (TR) Switch Circuit

TCM

DTC P0705 in Automatic Transaxle - 4T40-E/4T45-E

P0711

Transmission Fluid Temperature (TFT) Sensor Performance

TCM

DTC P0711 in Automatic Transaxle - 4T40-E/4T45-E

P0712

Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage

TCM

DTC P0712 in Automatic Transaxle - 4T40-E/4T45-E

P0713

Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage

TCM

DTC P0713 in Automatic Transaxle - 4T40-E/4T45-E

P0716

Input Speed Sensor Performance

TCM

DTC P0716 in Automatic Transaxle - 4T40-E/4T45-E

P0717

Input Speed Sensor Circuit Low Voltage

TCM

DTC P0717 in Automatic Transaxle - 4T40-E/4T45-E

P0719

Brake Switch Circuit Low Voltage

ECM, PCM, TCM

DTC P0719 in Cruise Control

DTC P0719 in Automatic Transaxle - 4T40-E/4T45-E

P0722

Output Speed Sensor Circuit Low Voltage

TCM

DTC P0722 in Automatic Transaxle - 4T40-E/4T45-E

P0723

Output Speed Sensor Circuit Intermittent

TCM

DTC P0723 in Automatic Transaxle - 4T40-E/4T45-E

P0724

Brake Switch Circuit High Voltage

ECM, PCM, TCM

DTC P0724 in Cruise Control

DTC P0724 in Automatic Transaxle - 4T40-E/4T45-E

P0741

Torque Converter Clutch (TCC) System - Stuck OFF

TCM

DTC P0741 in Automatic Transaxle - 4T40-E/4T45-E

P0742

Torque Converter Clutch (TCC) System - Stuck ON

TCM

DTC P0742 in Automatic Transaxle - 4T40-E/4T45-E

P0751

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

TCM

DTC P0751 in Automatic Transaxle - 4T40-E/4T45-E

P0752

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

TCM

DTC P0752 in Automatic Transaxle - 4T40-E/4T45-E

P0756

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

TCM

DTC P0756 in Automatic Transaxle - 4T40-E/4T45-E

P0757

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

TCM

DTC P0757 in Automatic Transaxle - 4T40-E/4T45-E

P0833

Clutch Pedal Switch 2 Circuit

ECM

DTC P0833 in Manual Transmission - MU3

P0842

Transmission Fluid Pressure (TFP) Sensor Circuit Low Voltage

TCM

DTC P0842 in Automatic Transaxle - 4T40-E/4T45-E

P0843

Transmission Fluid Pressure (TFP) Sensor Circuit High Voltage

TCM

DTC P0843 in Automatic Transaxle - 4T40-E/4T45-E

P0961

Line Pressure Control (PC) Solenoid System Performance

TCM

DTC P0961 in Automatic Transaxle - 4T40-E/4T45-E

P0973

1-2 Shift Solenoid (SS) Control Circuit Low Voltage

TCM

DTC P0973 in Automatic Transaxle - 4T40-E/4T45-E

P0974

1-2 Shift Solenoid (SS) Control Circuit High Voltage

TCM

DTC P0974 in Automatic Transaxle - 4T40-E/4T45-E

P0976

2-3 Shift Solenoid (SS) Control Circuit Low Voltage

TCM

DTC P0976 in Automatic Transaxle - 4T40-E/4T45-E

P0977

2-3 Shift Solenoid (SS) Control Circuit High Voltage

TCM

DTC P0977 in Automatic Transaxle - 4T40-E/4T45-E

P1101

Intake Air Flow System Performance

ECM, PCM

DTC P1101 in Engine Controls - 2.0L

DTC P1101 in Engine Controls - 2.2L (L61)

P1106

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

ECM

DTC P1106 in Engine Controls - 2.2L (L61)

P1107

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

ECM

DTC P1107 in Engine Controls - 2.2L (L61)

P1111

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

ECM

DTC P1111 in Engine Controls - 2.2L (L61)

P1112

Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

ECM

DTC P1112 in Engine Controls - 2.2L (L61)

P1114

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

ECM

DTC P1114 in Engine Controls - 2.2L (L61)

P1115

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

ECM

DTC P1115 in Engine Controls - 2.2L (L61)

P1133

HO2S Insufficient Switching Sensor 1

ECM, PCM

DTC P1133 in Engine Controls - 2.0L

DTC P1133 in Engine Controls - 2.2L (L61)

P1134

HO2S Transition Time Ratio Sensor 1

ECM, PCM

DTC P1134 in Engine Controls - 2.2L (L61)

P1182

Supercharger Inlet Pressure Sensor Performance

PCM

DTC P1182 in Engine Controls - 2.0L

P1183

Supercharger Inlet Pressure Sensor Circuit Low Voltage

PCM

DTC P1183 in Engine Controls - 2.0L

P1184

Supercharger Inlet Pressure Sensor Circuit High Voltage

PCM

DTC P1184 in Engine Controls - 2.0L

P1516

Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance

ECM, PCM

DTC P1516 in Engine Controls - 2.0L

or

DTC P1516 in Engine Controls - 2.2L (L61)

P1540

Air Conditioning (A/C) Refrigerant Overpressure - Air Conditioning (A/C) Disabled

ECM, PCM

DTC P1540 in HVAC Systems - Manual

P1574

Stoplamp Switch Circuit

ECM, PCM

DTC P1574 in Cruise Control

P1621

Transmission Control Module (TCM) Long Term Memory Performance

TCM

DTC P1621 in Automatic Transaxle - 4T40-E/4T45-E

P1621

Control Module Long Term Memory Performance

PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)

P1626

Theft Deterrent Fuel Enable Signal Lost

ECM, PCM

DTC P1626 in Theft Deterrent

P1630

Theft Deterrent Learn Mode Active

ECM, PCM

DTC P1630 in Theft Deterrent

P1631

Theft Deterrent Fuel Enable Signal Not Correct

ECM, PCM

DTC P1631 in Theft Deterrent

P1633

Ignition 0 Switch Circuit

ECM, PCM

DTC P1633 in Engine Electrical

P1680

Control Module Accelerator Pedal Position (APP) System Performance

ECM, PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)

P1681

Control Module Throttle Position (TP) System Performance

PCM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)

P1682

Ignition 1 Switch Circuit 2

ECM, PCM

DTC P1682 in Engine Controls - 2.0L

DTC P1682 in Engine Controls - 2.2L (L61)

P1700

Transmission Control Module (TCM) Requested SVS Illumination

ECM

DTC P1700 in Engine Controls - 2.2L (L61)

P1810

Transmission Fluid Pressure (TFP) Position Switch Circuit

TCM

DTC P1810 in Automatic Transaxle - 4T40-E/4T45-E

P1811

Maximum Adapt and Long Shift

TCM

DTC P1811 in Automatic Transaxle - 4T40-E/4T45-E

P1816

Transmission Fluid Pressure (TFP) Valve Position Switch Indicates Park/Neutral (P/N) with Drive Ratio

TCM

DTC P1816 in Automatic Transaxle - 4T40-E/4T45-E

P1818

Transmission Fluid Pressure (TFP) Valve Position Switch Indicates Drive without Drive Ratio

TCM

DTC P1818 in Automatic Transaxle - 4T40-E/4T45-E

P2101

Control Module Throttle Actuator Position Performance

ECM, PCM

DTC P2101 in Engine Controls - 2.0L

DTC P2101 in Engine Controls - 2.2L (L61)

P2119

Throttle Closed Position Performance

ECM, PCM

DTC P2119 in Engine Controls - 2.0L

DTC P2119 i in Engine Controls - 2.2L (L61)

P2120

Accelerator Pedal Position (APP) Sensor 1 Circuit

ECM, PCM

DTC P2120 in Engine Controls - 2.0L

or

DTC P2120 in Engine Controls - 2.2L (L61)

P2122

Pedal Position Sensor 1 Out of Range Low

ECM, PCM

DTC P2122 in Engine Controls - 2.0L

DTC P2122 in Engine Controls - 2.2L (L61)

P2123

Pedal Position Sensor 1 Out of Range High

ECM, PCM

DTC P2123 in Engine Controls - 2.0L

DTC P2123 in Engine Controls - 2.2L (L61)

P2125

Accelerator Pedal Position (APP) Sensor 2 Circuit

ECM, PCM

DTC P2125 in Engine Controls - 2.0L

DTC P2125 in Engine Controls - 2.2L (L61)

P2127

Pedal Position Sensor 2 Out of Range Low

ECM, PCM

DTC P2127 in Engine Controls - 2.0L

DTC P2127 in Engine Controls - 2.2L (L61)

P2128

Pedal Position Sensor 2 Out of Range High

ECM, PCM

DTC P2128 in Engine Controls - 2.0L

DTC P2128 in Engine Controls - 2.2L (L61)

P2135

Throttle Position (TP) Sensor 1-2 Correlation

ECM, PCM

DTC P2135 in Engine Controls - 2.0L

DTC P2135 in Engine Controls - 2.2L (L61)

P2138

Accelerator Pedal Position (APP) Sensor 1-2 Correlation

ECM, PCM

DTC P2138 in Engine Controls - 2.0L

DTC P2138 in Engine Controls - 2.2L (L61)

P2176

Minimum Throttle Position Not Learned

ECM, PCM

DTC P2176 in Engine Controls - 2.0L

DTC P2176 in Engine Controls - 2.2L (L61)

P2227

Barometric Pressure (BARO) Sensor Performance

PCM

DTC P2227 in Engine Controls - 2.0L

P2228

Barometric Pressure (BARO) Sensor Circuit Low Voltage

PCM

DTC P2228 in Engine Controls - 2.0L

P2229

Barometric Pressure (BARO) Sensor Circuit High Voltage

PCM

DTC P2229 in Engine Controls - 2.0L

P2610

Control Module Ignition Off Timer Performance

ECM

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.0L

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 in Engine Controls - 2.2L (L61)

P2763

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

TCM

DTC P2763 in Automatic Transaxle - 4T40-E/4T45-E

P2764

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

TCM

DTC P2764 in Automatic Transaxle - 4T40-E/4T45-E

U0073

GMLAN Hardware Failure

ABS, BCM, ECM/PCM, TCM

DTC U0073 in Computer/Integrating Systems

U0100

Lost Communication with ECM/PCM

ABS, BCM, TCM

DTC U0100-U0299 in Computer/Integrating Systems

U0101

Lost Communication with TCM

ABS, BCM, ECM/PCM, TCM

DTC U0100-U0299 in Computer/Integrating Systems

U0107

Lost Communication with Throttle Actuator Control Module

ECM/PCM

DTC U0100-U0299 in Computer/Integrating Systems

U0121

Lost Communication with Antilock Brake System (ABS) Control Module

BCM, ECM/PCM, TCM

DTC U0100-U0299 in Computer/Integrating Systems

U1000

Class 2 Data Link

BCM, EBCM, ECM, EPS, IPC, SDM, VCIM

DTC U1000 and U1255 in Computer/Integrating Systems

U1016

Lost Communications With ECM/PCM/VCM

BCM, EBCM, EPS, IPC, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1040

Lost Communications With Electronic Brake Control Module (EBCM)

BCM, ECM, EPS, IPC, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1048

Lost Communications With Electric Power Steering

BCM

DTC U1001-U1254 in Computer/Integrating Systems

U1064

Lost Communications With Body Control Module (BCM)/Dash Integration Module (DIM)

ECM, EPS, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1088

Lost Communications With Sensing and Diagnostic Module (SDM)

BCM, IPC

DTC U1001-U1254 in Computer/Integrating Systems

U1096

Lost Communications With Instrument Panel Cluster (IPC)

BCM, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1151

Lost Communications With Onstar®

BCM

DTC U1001-U1254 in Computer/Integrating Systems

U1255

Class 2 Data Link

BCM, EBCM, ECM, EPS, IPC, SDM, VCIM

DTC U1000 and U1255 in Computer/Integrating Systems

U1300

Class 2 Data Link Low

BCM, EBCM, EPS, IPC, SDM, VCIM

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

U1301

Class 2 Data Link High

BCM, EBCM, EPS, IPC, SDM, VCIM

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

U1305

Class 2 Data Link Low or High

BCM, EBCM, EPS, IPC, SDM, VCIM

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

U1500

Inter-device Dedicated Bus (Single or 1)

OnStar® VCIM

DTC U1500 in Cellular Communication

U2100

Controller Area Network (CAN) Bus Communication

ECM, Radio, TCM

DTC U2100 in Computer/Integrating Systems

U2103

Fewer Controllers On Bus Than Programmed

BCM, ECM, TCM

DTC U2103 or U2104 in Computer/Integrating Systems

U2104

Controller Area Network (CAN) Bus Reset Counter Overrun

BCM, ECM, TCM

DTC U2103 or U2104 in Computer/Integrating Systems

U2105

Lost Communications With Engine Control System

BCM, TCM

DTC U2105-U2199 in Computer/Integrating Systems

U2199

Unassigned

ECM

DTC U2105-U2199 in Computer/Integrating Systems