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

B0034

Side Air Bag Deployment Commanded

SDM

DTC B0034 in SIR

B0040

Left Front Side Deployment Loop Resistance Low

SDM

DTC B0040, B0041, or B0045 in SIR

B0041

Left Front Side 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

B0077

Driver Side Impact Sensor (SIS) Performance

SDM

DTC B0077, B0079, or B0080 in SIR

B0079

Incorrect Driver Side Impact Sensor (SIS) Installed

SDM

DTC B0077, B0079, or B0080 in SIR

B0080

Discard Driver Side Impact Sensor (SIS)

SDM

DTC B0077, B0079, or B0080 in SIR

B0100

Front End Sensor 1 Performance

SDM

DTC B0100, B0101, or B0102 in SIR

B0101

Discard Front End Sensor 1

SDM

DTC B0100, B0101, or B0102 in SIR

B0102

Incorrect Front End Sensor 1 Installed

SDM

DTC B0100, B0101, or B0102 in SIR

B0160

Outside Air Temperature Sensor Circuit Low

DIC

DTC B0160 in Instrument Panel, Gages, and Console

B0162

Outside Air Temperature Sensor Circuit Open

DIC

DTC B0162 in Instrument Panel, Gages, and Console

B0248

Air Flow Control 3 Circuit

HVAC Control Module

DTC B0248, B0268, B0408, or B0418 in HVAC Systems - Manual

B0249

Air Flow Control 3 Circuit Range/Performance

HVAC Control Module

DTC B0249, B0269, B0409, or B0419 in HVAC Systems - Manual

B0268

Air Flow Control 7 Circuit

HVAC Control Module

DTC B0248, B0268, B0408, or B0418 in HVAC Systems - Manual

B0269

Air Flow Control 7 Circuit Range/Performance

HVAC Control Module

DTC B0249, B0269, B0409, or B0419 in HVAC Systems - Manual

B0408

Temperature Control 1 Circuit

HVAC Control Module

DTC B0248, B0268, B0408, or B0418 in HVAC Systems - Manual

B0409

Temperature Control 1 Circuit Range/Performance

HVAC Control Module

DTC B0249, B0269, B0409, or B0419 in HVAC Systems - Manual

B0414

Temperature Control 1 Feedback Circuit Range/Performance

HVAC Control Module

DTC B0414, B0424, B3748, or B3749 in HVAC Systems - Manual

B0418

Temperature Control 2 Circuit

HVAC Control Module

DTC B0248, B0268, B0408, or B0418 in HVAC Systems - Manual

B0419

Temperature Control 2 Circuit Range/Performance

HVAC Control Module

DTC B0249, B0269, B0409, or B0419 in HVAC Systems - Manual

B0424

Temperature Control 2 Feedback Circuit Range/Performance

HVAC Control Module

DTC B0414, B0424, B3748, or B3749 in HVAC Systems - Manual

B0931

Compass Sensor Circuit

DIC

DTC B0931 in Instrument Panel, Gages, and Console

B1000

Electronic Control Unit (ECU) Performance

BCM, DIC, EBCM, IPC, OnStar® VCIM, PCM, Radio, SDM

DTC B1000 in Computer/Integrating Systems

B1001

Option Configuration Error

Radio

DTC B1001 in Entertainment

SDM

DTC B1001 in SIR

B1003

Electronic Control Unit (ECU) Identification Circuit

BCM

DTC B1003 in Keyless Entry

B1007

EEPROM Read/Write Error

Radio

DTC B1007 in Computer/Integrating Systems

B1009

EEPROM Checksum Mismatch

OnStar® VCIM

DTC B1009 in Computer/Integrating Systems

B1025

Audio Output Circuit

Radio

DTC B1025, B1035, B1045, or B1055 in Entertainment

B1259

Antenna Ground Circuit

DRR

DTC B1259 in Entertainment

B1327

Device Power 1 Circuit Low

BCM, OnStar® VCIM

DTC B1327 in Engine Electrical

B1339

Device Power 3 (high current 1) Circuit Open

BCM

DTC B1339 in Computer/Integrating Systems

B1349

Device Ground (single or 1) (chassis ground 1) Circuit Open

BCM

DTC B1349 in Computer/Integrating Systems

B1440

Power Mode Master Input Circuits Mismatch

BCM

DTC B1440 in Computer/Integrating Systems

B1477

Retained Accessory Power Circuit Low

BCM

DTC B1477 in Computer/Integrating Systems

B1478

Retained Accessory Power Circuit High

BCM

DTC B1478 in Computer/Integrating Systems

B1507

High Power Control Circuit Low

BCM

DTC B1507 or B1508 in Computer/Integrating Systems

B1508

High Power Control Circuit High

BCM

DTC B1507 or B1508 in Computer/Integrating Systems

B1780

Theftlock Enabled

Radio

DTC B1780 in Entertainment

B2455

Cellular Phone Microphone Circuit Malfunction

OnStar® VCIM

DTC B2455 in Cellular Communication

B2470

Cellular Phone Antenna Circuit Malfunction

OnStar® VCIM

DTC B2470 in Cellular Communication

B2476

Cellular Phone Select Service Switch Malfunction (3 button assembly)

OnStar® VCIM

DTC B2476 in Cellular Communication

B2482

Cellular Phone Select 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

B2532

Front Fog Lamps Control Circuit Low

BCM

DTC B2532 in Lighting Systems

B2533

Front Fog Lamps Control Circuit High

BCM

DTC B2533 in Lighting Systems

B2552

Backup Lamps Control Circuit Low

BCM

DTC B2552 in Lighting Systems

B2553

Backup Lamps Control Circuit High

BCM

DTC B2553 in Lighting Systems

B2577

Headlamp Control Circuit Low

BCM

DTC B2577 in Lighting Systems

B2578

Headlamp Control Circuit High

BCM

DTC B2578 in Lighting Systems

B2587

Park Lamp Control Circuit Low

BCM

DTC B2587 in Lighting Systems

B2588

Park Lamp Control Circuit High

BCM

DTC B2588 in Lighting Systems

B2602

Daytime Running Lamp Control Circuit Low

BCM

DTC B2602 in Lighting Systems

B2603

Daytime Running Lamp Control Circuit High

BCM

DTC B2603 in Lighting Systems

B2617

Courtesy Lamps Supply Voltage Circuit Low

BCM

DTC B2617 in Lighting Systems

B2618

Courtesy Lamps Supply Voltage 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

B2654

Courtesy Lamp Low Control Circuit Low

BCM

DTC B2654 in Lighting Systems

B2655

Courtesy Lamp Low Control Circuit High

BCM

DTC B2655 in Lighting Systems

B2665

Park Lamp Switch Circuit High

BCM

DTC B2665 in Lighting Systems

B2712

Gearshift Lock Circuit Low

BCM

DTC B2712 in Shift Lock Control

B2713

Gearshift Lock Circuit High

BCM

DTC B2713 in Shift Lock Control

B2742

Front Fog Lamp Switch Circuit Low

BCM

DTC B2742 in Lighting Systems

B2747

Traction Control Switch Circuit Low

BCM

DTC B2747 in Antilock Brake System

B2753

Horn Relay Coil Circuit High

BCM

DTC B2753 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

B2964

Key In Ignition Circuit High

BCM

DTC B2964 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

B3069

Right Front/Left Front Door Key Unlock Switch Circuit Low

BCM

DTC B3064 or B3069 in Doors

B3102

Keyless Entry Data Link Circuit Low

BCM

DTC B3102 in Keyless Entry

B3103

Keyless Entry Data Link Circuit High

BCM

DTC B3103 in Keyless Entry

B3106

Keyless Entry Data Link Parity Error

BCM

DTC B3106 in Keyless Entry

B3127

Left Front/Driver Door Unlock Circuit Low

BCM

DTC B3127 in Doors

B3128

Left Front/Driver Door Unlock Circuit High

BCM

DTC B3128, B3133, or B3138 in Doors

B3132

All Door Unlock Circuit Low

BCM

DTC B3132 in Doors

B3133

All Door Unlock Circuit High

BCM

DTC B3128, B3133, or B3138 in Doors

B3137

All Door Lock Circuit Low

BCM

DTC B3137 in Doors

B3138

All Door Lock Circuit High

BCM

DTC B3128, B3133, or B3138 in Doors

B3247

Trunk Motor Circuit Low

BCM

DTC B3247 in Body Rear End

B3248

Trunk Motor Circuit High

BCM

DTC B3248 in Body Rear End

B3272

Driver Door Lock or Unlock Switch Circuit Low

BCM

DTC B3272 in Doors

B3748

Air Flow Control 3 Feedback Circuit Range/Performance

HVAC Control Module

DTC B0414, B0424, B3748, or B3749 in HVAC Systems - Manual

B3749

Air Flow Control 7 Feedback Circuit Range/Performance

HVAC Control Module

DTC B0414, B0424, B3748, or B3749 in HVAC Systems - Manual

C0550

Electronic Control Unit (ECU) Performance

BCM

DTC C0550 in Computer/Integrating Systems

C1214

System Relay Contact or Coil Circuit Open

EBCM

DTC C1214 in Antilock Brake System

C1216

EBCM Commanded Pressure Release Too Long

EBCM

DTC C1216 in Antilock Brake System

C1217

Pump Motor Shorted to Ground

EBCM

DTC C1217 in Antilock Brake System

C1218

Pump Motor Circuit Short to Voltage Or Motor Ground Open

EBCM

DTC C1218 in Antilock Brake System

C1221

Left Front Wheel Speed Sensor Input Signal = 0

EBCM

DTC C1221-C1235 in Antilock Brake System

C1222

Right Front Wheel Speed Sensor Input Signal = 0

EBCM

DTC C1221-C1235 in Antilock Brake System

C1223

Left Rear Wheel Speed Sensor Input Signal = 0

EBCM

DTC C1221-C1235 in Antilock Brake System

C1224

Right Rear Wheel Speed Sensor Input Signal = 0

EBCM

DTC C1221-C1235 in Antilock Brake System

C1225

Left Front Excessive Wheel Speed Sensor Variation

EBCM

DTC C1221-C1235 in Antilock Brake System

C1226

Right Front Excessive Wheel Speed Sensor Variation

EBCM

DTC C1221-C1235 in Antilock Brake System

C1227

Left Rear Excessive Wheel Speed Sensor Variation

EBCM

DTC C1221-C1235 in Antilock Brake System

C1228

Right Rear Excessive Wheel Speed Sensor Variation

EBCM

DTC C1221-C1235 in Antilock Brake System

C1232

Left Front Wheel Speed Sensor Circuit Open or Shorted

EBCM

DTC C1221-C1235 in Antilock Brake System

C1233

Right Front Wheel Speed Sensor Circuit Open or Shorted

EBCM

DTC C1221-C1235 in Antilock Brake System

C1234

Left Rear Wheel Speed Sensor Circuit Open or Shorted

EBCM

DTC C1221-C1235 in Antilock Brake System

C1235

Right Rear Wheel Speed Sensor Circuit Open or Shorted

EBCM

DTC C1221-C1235 in Antilock Brake System

C1236

Low System Supply Voltage

EBCM

DTC C1236 in Antilock Brake System

C1237

High System Supply Voltage

EBCM

DTC C1237 in Antilock Brake System

C1238

Brake Thermal Model Exceeded

EBCM

DTC C1238 in Antilock Brake System

C1242

Pump Motor Circuit Open

EBCM

DTC C1242 or C1243 in Antilock Brake System

C1243

Pump Motor Stalled

EBCM

DTC C1242 or C1243 in Antilock Brake System

C1245

Tire Pressure

EBCM

DTC C1245 in Tire Pressure Monitoring

C1247

Low Brake Fluid Detected

EBCM

DTC C1247 in Hydraulic Brakes

C1248

DRP Disabled

EBCM

DTC C1248 in Antilock Brake System

C1254

Abnormal Shutdown Detected

EBCM

DTC C1254 in Antilock Brake System

C1255

Loss of Class 2 Communication

EBCM

DTC C1255 or C1256 in Antilock Brake System

C1256

EBCM/EBTCM Internal Malfunction

EBCM

DTC C1255 or C1256 in Antilock Brake System

C1261

Left Front Inlet Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1262

Left Front Outlet Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1263

Right Front Inlet Valve Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1264

Right Front Outlet Valve Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1265

Left Rear Inlet Valve Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1266

Left Rear Outlet Valve Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1267

Right Rear Inlet Valve Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1268

Right Rear Outlet Valve Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1272

Left Front TCS Valve Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1274

Right Front TCS Valve Solenoid Malfunction

EBCM

DTC C1261-C1274 in Antilock Brake System

C1276

Delivered Torque Signal Circuit Malfunction

EBCM

DTC C1276, P1644, or P1689 in Antilock Brake System

C1277

Traction Control Torque Request Circuit

EBCM

DTC C1277 or P0856 in Antilock Brake System

C1278

Traction Control System Temporarily Inhibited by PCM

EBCM

DTC C1278 in Antilock Brake System

C1291

Open Brake Lamp Switch Contacts During Deceleration

EBCM

DTC C1291 in Antilock Brake System

C1294

Brake Lamp Switch Circuit Always Active

EBCM

DTC C1294 in Antilock Brake System

C1295

Brake Lamp Switch Circuit Open

EBCM

DTC C1295 in Antilock Brake System

P0016

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

PCM

DTC P0016 in Engine Controls - 3.4L

or

DTC P0016 in Engine Controls - 3.8L (L36 and L67)

P0030

HO2S Heater Control Circuit Bank 1 Sensor 1

PCM

DTC P0030 in Engine Controls - 3.4L

or

DTC P0030 in Engine Controls - 3.8L (L36 and L67)

P0036

HO2S Heater Control Circuit Bank 1 Sensor 2

PCM

DTC P0036 in Engine Controls - 3.4L

or

DTC P0036 in Engine Controls - 3.8L (L36 and L67)

P0101

Mass Air Flow (MAF) Sensor Performance

PCM

DTC P0101 in Engine Controls - 3.4L

or

DTC P0101 in Engine Controls - 3.8L (L36 and L67)

P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

PCM

DTC P0102 in Engine Controls - 3.4L

or

DTC P0102 in Engine Controls - 3.8L (L36 and L67)

P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

PCM

DTC P0103 in Engine Controls - 3.4L

or

DTC P0103 in Engine Controls - 3.8L (L36 and L67)

P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

PCM

DTC P0107 in Engine Controls - 3.4L

or

DTC P0107 in Engine Controls - 3.8L (L36 and L67)

P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

PCM

DTC P0108 in Engine Controls - 3.4L

or

DTC P0108 in Engine Controls - 3.8L (L36 and L67)

P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

PCM

DTC P0112 in Engine Controls - 3.4L

or

DTC P0112 in Engine Controls - 3.8L (L36 and L67)

P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

PCM

DTC P0113 in Engine Controls - 3.4L

or

DTC P0113 in Engine Controls - 3.8L (L36 and L67)

P0116

Engine Coolant Temperature (ECT) Sensor Performance

PCM

DTC P0116 in Engine Controls - 3.4L

or

DTC P0116 in Engine Controls - 3.8L (L36 and L67)

P0117

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

PCM

DTC P0117 in Engine Controls - 3.4L

or

DTC P0117 in Engine Controls - 3.8L (L36 and L67)

P0118

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

PCM

DTC P0118 in Engine Controls - 3.4L

or

DTC P0118 in Engine Controls - 3.8L (L36 and L67)

P0121

Throttle Position (TP) Sensor Performance

PCM

DTC P0121 in Engine Controls - 3.4L

or

DTC P0121 in Engine Controls - 3.8L (L36 and L67)

P0122

Throttle Position (TP) Sensor Circuit Low Voltage

PCM

DTC P0122 in Engine Controls - 3.4L

or

DTC P0122 in Engine Controls - 3.8L (L36 and L67)

P0123

Throttle Position (TP) Sensor Circuit High Voltage

PCM

DTC P0123 in Engine Controls - 3.4L

or

DTC P0123 in Engine Controls - 3.8L (L36 and L67)

P0125

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

PCM

DTC P0125 in Engine Controls - 3.4L

or

DTC P0125 in Engine Controls - 3.8L (L36 and L67)

P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

PCM

DTC P0128 in Engine Controls - 3.4L

or

DTC P0128 in Engine Controls - 3.8L (L36 and L67)

P0131

HO2S Circuit Low Voltage Bank 1 Sensor 1

PCM

DTC P0131 in Engine Controls - 3.4L

or

DTC P0131 in Engine Controls - 3.8L (L36 and L67)

P0132

HO2S Circuit High Voltage Bank 1 Sensor 1

PCM

DTC P0132 in Engine Controls - 3.4L

or

DTC P0132 in Engine Controls - 3.8L (L36 and L67)

P0133

HO2S Slow Response Bank 1 Sensor 1

PCM

DTC P0133 in Engine Controls - 3.4L

or

DTC P0133 in Engine Controls - 3.8L (L36 and L67)

P0134

HO2S Insufficient Activity Bank 1 Sensor 1

PCM

DTC P0134 in Engine Controls - 3.4L

or

DTC P0134 in Engine Controls - 3.8L (L36 and L67)

P0135

HO2S Heater Performance Bank 1 Sensor 1

PCM

DTC P0135 in Engine Controls - 3.4L

or

DTC P0135 in Engine Controls - 3.8L (L36 and L67)

P0137

HO2S Circuit Low Voltage Bank 1 Sensor 2

PCM

DTC P0137 in Engine Controls - 3.4L

or

DTC P0137 in Engine Controls - 3.8L (L36 and L67)

P0138

HO2S Circuit High Voltage Bank 1 Sensor 2

PCM

DTC P0138 in Engine Controls - 3.4L

or

DTC P0138 in Engine Controls - 3.8L (L36 and L67)

P0140

HO2S Circuit Insufficient Activity Bank 1 Sensor 2

PCM

DTC P0140 in Engine Controls - 3.4L

or

DTC P0140 in Engine Controls - 3.8L (L36 and L67)

P0141

HO2S Heater Performance Bank 1 Sensor 2

PCM

DTC P0141 in Engine Controls - 3.4L

or

DTC P0141 in Engine Controls - 3.8L (L36 and L67)

P0171

Fuel Trim System Lean Bank 1

PCM

DTC P0171 in Engine Controls - 3.4L

or

DTC P0171 in Engine Controls - 3.8L (L36 and L67)

P0172

Fuel Trim System Rich Bank 1

PCM

DTC P0172 in Engine Controls - 3.4L

or

DTC P0172 in Engine Controls - 3.8L (L36 and L67)

P0201

Injector 1 Control Circuit

PCM

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L

or

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)

P0202

Injector 2 Control Circuit

PCM

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L

or

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)

P0203

Injector 3 Control Circuit

PCM

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L

or

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)

P0204

Injector 4 Control Circuit

PCM

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L

or

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)

P0205

Injector 5 Control Circuit

PCM

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L

or

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)

P0206

Injector 6 Control Circuit

PCM

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.4L

or

DTC P0201, P0202, P0203, P0204, P0205, or P0206 in Engine Controls - 3.8L (L36 and L67)

P0218

Transmission Fluid Overtemperature

PCM

DTC P0218 in Automatic Transaxle - 4T65-E

P0230

Fuel Pump Relay Control Circuit

PCM

DTC P0230 in Engine Controls - 3.4L

or

DTC P0230 in Engine Controls - 3.8L (L36 and L67)

P0243

Supercharger Boost Solenoid Control Circuit

PCM

DTC P0243 in Engine Controls - 3.8L (L36 and L67)

P0300

Engine Misfire Detected

PCM

DTC P0300 in Engine Controls - 3.4L

or

DTC P0300 in Engine Controls - 3.8L (L36 and L67)

P0315

Crankshaft Position (CKP) System Variation Not Learned

PCM

DTC P0315 in Engine Controls - 3.4L

or

DTC P0315 in Engine Controls - 3.8L (L36 and L67)

P0325

Knock Sensor (KS) Module Performance

PCM

DTC P0325 in Engine Controls - 3.4L

or

DTC P0325 in Engine Controls - 3.8L (L36 and L67)

P0327

Knock Sensor (KS) Circuit

PCM

DTC P0327 in Engine Controls - 3.4L

Knock Sensor (KS) Circuit Bank 1

PCM

DTC P0327 or P0332 in Engine Controls - 3.8L (L36 and L67)

P0332

Knock Sensor (KS) Circuit Bank 2

PCM

DTC P0327 or P0332 in Engine Controls - 3.8L (L36 and L67)

P0335

Crankshaft Position (CKP) Sensor A Circuit

PCM

DTC P0335 in Engine Controls - 3.4L

or

DTC P0335 in Engine Controls - 3.8L (L36 and L67)

P0336

Crankshaft Position (CKP) Sensor A Performance

PCM

DTC P0336 in Engine Controls - 3.4L

or

DTC P0336 in Engine Controls - 3.8L (L36 and L67)

P0340

Camshaft Position (CMP) Sensor Circuit

PCM

DTC P0340 in Engine Controls - 3.4L

or

DTC P0340 in Engine Controls - 3.8L (L36 and L67)

P0341

Camshaft Position (CMP) Sensor Performance

PCM

DTC P0341 in Engine Controls - 3.4L

or

DTC P0341 in Engine Controls - 3.8L (L36 and L67)

P0350

Ignition Coil Control Circuit

PCM

DTC P0350 in Engine Controls - 3.4L

or

DTC P0350 in Engine Controls - 3.8L (L36 and L67)

P0385

Crankshaft Position (CKP) Sensor B Circuit

PCM

DTC P0385 in Engine Controls - 3.4L

or

DTC P0385 in Engine Controls - 3.8L (L36 and L67)

P0386

Crankshaft Position (CKP) Sensor B Performance

PCM

DTC P0386 in Engine Controls - 3.4L

or

DTC P0386 in Engine Controls - 3.8L (L36 and L67)

P0401

Exhaust Gas Recirculation (EGR) Flow Insufficient

PCM

DTC P0401 in Engine Controls - 3.4L

or

DTC P0401 in Engine Controls - 3.8L (L36 and L67)

P0403

Exhaust Gas Recirculation (EGR) Solenoid Control Circuit

PCM

DTC P0403 in Engine Controls - 3.4L

or

DTC P0403 in Engine Controls - 3.8L (L36 and L67)

P0404

Exhaust Gas Recirculation (EGR) Open Position Performance

PCM

DTC P0404 in Engine Controls - 3.4L

or

DTC P0404 in Engine Controls - 3.8L (L36 and L67)

P0405

Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage

PCM

DTC P0405 in Engine Controls - 3.4L

or

DTC P0405 in Engine Controls - 3.8L (L36 and L67)

P0406

Exhaust Gas Recirculation (EGR) Position Sensor Circuit High Voltage

PCM

DTC P0406 in Engine Controls - 3.4L

or

DTC P0406 in Engine Controls - 3.8L (L36 and L67)

P0420

Catalyst System Low Efficiency Bank 1

PCM

DTC P0420 in Engine Controls - 3.4L

or

DTC P0420 in Engine Controls - 3.8L (L36 and L67)

P0442

Evaporative Emission (EVAP) System Small Leak Detected

PCM

DTC P0442 in Engine Controls - 3.4L

or

DTC P0442 in Engine Controls - 3.8L (L36 and L67)

P0443

Evaporative Emission (EVAP) Purge Solenoid Control Circuit

PCM

DTC P0443 in Engine Controls - 3.4L

or

DTC P0443 in Engine Controls - 3.8L (L36 and L67)

P0446

Evaporative Emission (EVAP) Vent System Performance

PCM

DTC P0446 in Engine Controls - 3.4L

or

DTC P0446 in Engine Controls - 3.8L (L36 and L67)

P0449

Evaporative Emission (EVAP) Vent Solenoid Control Circuit

PCM

DTC P0449 in Engine Controls - 3.4L

or

DTC P0449 in Engine Controls - 3.8L (L36 and L67)

P0452

Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

PCM

DTC P0452 in Engine Controls - 3.4L

or

DTC P0452 in Engine Controls - 3.8L (L36 and L67)

P0453

Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

PCM

DTC P0453 in Engine Controls - 3.4L

or

DTC P0453 in Engine Controls - 3.8L (L36 and L67)

P0455

Evaporative Emission (EVAP) System Large Leak Detected

PCM

DTC P0455 in Engine Controls - 3.4L

or

DTC P0455 in Engine Controls - 3.8L (L36 and L67)

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

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 - 3.4L

or

DTC P0496 in Engine Controls - 3.8L (L36 and L67)

P0502

Vehicle Speed Sensor (VSS) Circuit Low Voltage

PCM

DTC P0502 in Automatic Transaxle - 4T65-E

P0503

Vehicle Speed Sensor (VSS) Circuit Intermittent

PCM

DTC P0503 in Automatic Transaxle - 4T65-E

P0506

Idle Speed Low

PCM

DTC P0506 in Engine Controls - 3.4L

or

DTC P0506 in Engine Controls - 3.8L (L36 and L67)

P0507

Idle Speed High

PCM

DTC P0507 in Engine Controls - 3.4L

or

DTC P0507 in Engine Controls - 3.8L (L36 and L67)

P0520

Engine Oil Pressure (EOP) Sensor Circuit

PCM

DTC P0520 in Instrument Panel, Gages, and Console

P0530

Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit

PCM

DTC P0530 in HVAC Systems - Manual

P0560

System Voltage

PCM

DTC P0560 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 - 3.4L

or

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.8L (L36 and L67)

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 - 3.4L

or

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.8L (L36 and L67)

P0620

Generator Performance

PCM

DTC P0620 in Engine Electrical

P0641

5-Volt Reference 1 Circuit

PCM

DTC P0641 in Engine Controls - 3.4L

or

DTC P0641 in Engine Controls - 3.8L (L36 and L67)

P0645

Air Conditioning (A/C) Clutch Relay Control Circuit

PCM

DTC P0645 in HVAC Systems - Manual

P0650

Malfunction Indicator Lamp (MIL) Control Circuit

PCM

DTC P0650 in Engine Controls - 3.4L

or

DTC P0650 in Engine Controls - 3.8L (L36 and L67)

P0651

5-Volt Reference 2 Circuit

PCM

DTC P0651 in Engine Controls - 3.4L

or

DTC P0651 in Engine Controls - 3.8L (L36 and L67)

P0711

Transmission Fluid Temperature (TFT) Sensor Performance

PCM

DTC P0711 in Automatic Transaxle - 4T65-E

P0712

Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage

PCM

DTC P0712 in Automatic Transaxle - 4T65-E

P0713

Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage

PCM

DTC P0713 in Automatic Transaxle - 4T65-E

P0716

Input Speed Sensor Performance

PCM

DTC P0716 in Automatic Transaxle - 4T65-E

P0717

Input Speed Sensor Circuit Low Voltage

PCM

DTC P0717 in Automatic Transaxle - 4T65-E

P0719

Brake Switch Circuit Low Voltage

PCM

DTC P0719 in Automatic Transaxle - 4T65-E

P0724

Brake Switch Circuit High Voltage

PCM

DTC P0724 in Automatic Transaxle - 4T65-E

P0741

Torque Converter Clutch (TCC) System - Stuck Off

PCM

DTC P0741 in Automatic Transaxle - 4T65-E

P0742

Torque Converter Clutch (TCC) System - Stuck On

PCM

DTC P0742 in Automatic Transaxle - 4T65-E

P0748

Pressure Control (PC) Solenoid Control Circuit

PCM

DTC P0748 in Automatic Transaxle - 4T65-E

P0751

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

PCM

DTC P0751 in Automatic Transaxle - 4T65-E

P0752

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

PCM

DTC P0752 in Automatic Transaxle - 4T65-E

P0753

1-2 Shift Solenoid (SS) Control Circuit

PCM

DTC P0753 in Automatic Transaxle - 4T65-E

P0756

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

PCM

DTC P0756 in Automatic Transaxle - 4T65-E

P0757

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

PCM

DTC P0757 in Automatic Transaxle - 4T65-E

P0758

2-3 Shift Solenoid (SS) Control Circuit

PCM

DTC P0758 in Automatic Transaxle - 4T65-E

P0856

Traction Control Torque Request Circuit

EBCM

DTC C1277 or P0856 in Antilock Brake System

P1106

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

PCM

DTC P1106 in Engine Controls - 3.4L

or

DTC P1106 in Engine Controls - 3.8L (L36 and L67)

P1107

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1107 in Engine Controls - 3.4L

or

DTC P1107 in Engine Controls - 3.8L (L36 and L67)

P1111

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

PCM

DTC P1111 in Engine Controls - 3.4L

or

DTC P1111 in Engine Controls - 3.8L (L36 and L67)

P1112

Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1112 in Engine Controls - 3.4L

or

DTC P1112 in Engine Controls - 3.8L (L36 and L67)

P1114

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1114 in Engine Controls - 3.4L

or

DTC P1114 in Engine Controls - 3.8L (L36 and L67)

P1115

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

PCM

DTC P1115 in Engine Controls - 3.4L

or

DTC P1115 in Engine Controls - 3.8L (L36 and L67)

P1121

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

PCM

DTC P1121 in Engine Controls - 3.4L

or

DTC P1121 in Engine Controls - 3.8L (L36 and L67)

P1122

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

PCM

DTC P1122 in Engine Controls - 3.4L

or

DTC P1122 in Engine Controls - 3.8L (L36 and L67)

P1133

HO2S Insufficient Switching Bank 1 Sensor 1

PCM

DTC P1133 in Engine Controls - 3.4L

or

DTC P1133 in Engine Controls - 3.8L (L36 and L67)

P1134

HO2S Transition Time Ratio Bank 1 Sensor 1

PCM

DTC P1134 in Engine Controls - 3.4L

or

DTC P1134 in Engine Controls - 3.8L (L36 and L67)

P1350

Ignition Bypass Circuit

PCM

DTC P1350 in Engine Controls - 3.4L

or

DTC P1350 in Engine Controls - 3.8L (L36 and L67)

P1404

Exhaust Gas Recirculation (EGR) Closed Position Performance

PCM

DTC P1404 in Engine Controls - 3.4L

or

DTC P1404 in Engine Controls - 3.8L (L36 and L67)

P1554

Cruise Control Feedback Circuit

PCM

DTC P1554 in Cruise Control

P1585

Cruise Control Inhibit Output Circuit

PCM

DTC P1585 in Cruise Control

P1626

Theft Deterrent Fuel Enable Signal Lost

PCM

DTC P1626 in Theft Deterrent

P1629

Theft Deterrent Fuel Enable Signal Not Received

PCM

DTC P1629 in Theft Deterrent

P1630

Theft Deterrent Learn Mode Active

PCM

DTC P1630 in Theft Deterrent

P1631

Theft Deterrent Fuel Enable Signal Not Correct

PCM

DTC P1631 in Theft Deterrent

P1640

Control Module Output A Circuit

PCM

DTC P1640 in Engine Controls - 3.4L

or

DTC P1640 in Engine Controls - 3.8L (L36 and L67)

P1644

Traction Control Delivered Torque Output Circuit

PCM

DTC C1276, P1644, or P1689 in Antilock Brake System

P1650

Control Module Output B Circuit

PCM

DTC P1650 in Engine Controls - 3.4L

or

DTC P1650 in Engine Controls - 3.8L (L36 and L67)

P1660

Control Module Output C Circuit

PCM

DTC P1660 in Engine Controls - 3.4L

or

DTC P1660 in Engine Controls - 3.8L (L36 and L67)

P1670

Control Module Output D Circuit

PCM

DTC P1670 in Engine Controls - 3.4L

or

DTC P1670 in Engine Controls - 3.8L (L36 and L67)

P1689

Traction Control Delivered Torque Output Circuit

EBCM

DTC C1276, P1644, or P1689 in Antilock Brake System

P1811

Maximum Adapt and Long Shift

PCM

DTC P1811 in Automatic Transaxle - 4T65-E

P1819

Internal Mode Switch - No Start/Wrong Range

PCM

DTC P1819 in Automatic Transaxle - 4T65-E

P1820

Internal Mode Switch A Circuit Low Voltage

PCM

DTC P1820 in Automatic Transaxle - 4T65-E

P1822

Internal Mode Switch B Circuit High Voltage

PCM

DTC P1822 in Automatic Transaxle - 4T65-E

P1823

Internal Mode Switch P Circuit Low Voltage

PCM

DTC P1823 in Automatic Transaxle - 4T65-E

P1825

Internal Mode Switch - Invalid Range

PCM

DTC P1825 in Automatic Transaxle - 4T65-E

P1826

Internal Mode Switch C Circuit High Voltage

PCM

DTC P1826 in Automatic Transaxle - 4T65-E

P1887

Torque Converter Clutch (TCC) Release Switch Circuit

PCM

DTC P1887 in Automatic Transaxle - 4T65-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 - 3.4L

or

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls - 3.8L (L36 and L67)

P2761

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

PCM

DTC P2761 in Automatic Transaxle - 4T65-E

P2A00

HO2S Circuit Closed Loop (CL) Performance Bank 1 Sensor 1

PCM

DTC P2A00 in Engine Controls - 3.4L

or

DTC P2A00 in Engine Controls - 3.8L (L36 and L67)

P2A01

HO2S Circuit Closed Loop (CL) Performance Bank 1 Sensor 2

PCM

DTC P2A01 in Engine Controls - 3.4L

or

DTC P2A01 in Engine Controls - 3.8L (L36 and L67)

U1000

Class 2 Data Link Malfunction

BCM, DIC, IPC, Radio, OnStar® VCIM, SDM

DTC U1000 and U1255 in Computer/Integrating Systems

U1016

Lost Communications With PCM

BCM, DIC, EBCM, IPC, OnStar® VCIM, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1040

Lost Communications With Electronic Brake Control Module (EBCM)

BCM, DIC, IPC, PCM, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1064

Lost Communications With Body Control Module (BCM)

DIC, IPC, Radio, PCM, SDM, OnStar® VCIM

DTC U1001-U1254 in Computer/Integrating Systems

U1088

Lost Communications With Sensing and Diagnostic Module (SDM)

IPC, OnStar® VCIM

DTC U1001-U1254 in Computer/Integrating Systems

U1096

Lost Communications With Instrument Panel Cluster (IPC)

DIC, OnStar® VCIM, SDM

DTC U1001-U1254 in Computer/Integrating Systems

U1128

Lost Communications With Radio

OnStar® VCIM

DTC U1001-U1254 in Computer/Integrating Systems

U1255

Lost Communications

BCM, DIC, IPC, Radio, OnStar® VCIM, SDM

DTC U1000 and U1255 in Computer/Integrating Systems

U1300

Class 2 Data Link Low

BCM, DIC, EBCM, OnStar® VCIM, PCM, Radio, SDM,

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

U1301

Class 2 Data Link High

BCM, DIC, EBCM, OnStar® VCIM, PCM, Radio, SDM,

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

U1305

Class 2 Data Link Low or High

BCM, DIC, EBCM, OnStar® VCIM, PCM, Radio, SDM,

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

U1500

Inter-device Dedicated Bus Malfunction

OnStar® VCIM

DTC U1500 in Cellular Communication