GM Service Manual Online
For 1990-2009 cars only

DTC

Descriptor

DTC B0532

Fuel Sensor Shorted To Ground

DTC B0533

Fuel Sensor Open/Shorted To B+

DTC B0846

+5 Volt Reference Out of Range

DTC B0856

Battery 2 Out of Range

DTC B1000

ECU Malfunction

DTC B1007

EEPROM Write Error

DTC B1009

EEPROM Checksum Error

DTC B1115

Passenger Deploy. Loop Resistance High

DTC B1116

Passenger Deploy. Loop Resistance Low

DTC B1117

Passenger Deployment Loop Open

DTC B1121

Driver Deployment Loop Resistance High

DTC B1122

Driver Deployment Loop Resistance Low

DTC B1124

Driver/Pass. Deploy. Loop Short to GND

DTC B1125

Driver/Pass Deploy Loop Short to Voltage

DTC B1126

Driver Deployment Loop Open

DTC B1135

Discr. Sensor Closed or Short to GND

DTC B1136

Discr. Sensor Open or Short to Voltage

DTC B1151

Deployment Commanded - Frontal

DTC B1152

Data Area Full

DTC B1153

Deployment Commanded w/Loop Malfunction

DTC B1155

SDM Calibration Mismatch

DTC B1159

Loss of Serial Data-Key Not Received

DTC B1160

Loss of Serial Data - VIN Not Received

DTC B1163

Loss of Serial Data-No Lamp Response

DTC B1171

Internal SDM Failure

DTC B1245

CD Changer Not Responding

DTC B1271

Theft Lock Enabled

DTC B1310

Ambient Air Temperature Sensor Failure

DTC B1311

Outside Air Temp Sensor Short Circuit

DTC B1312

High Side Temp Sensor Open Circuit

DTC B1313

High Side Temp Sensor Short Circuit

DTC B1314

Evaporator Inlet Temp Sensor Open CKT

DTC B1315

Evaporator Inlet Temp Sensor Short CKT

DTC B1316

In Car Temperature Sensor Open Circuit

DTC B1317

In Car Temperature Sensor Short Circuit

DTC B1318

Sunload Sensor Open Circuit

DTC B1319

Sunload Sensor Short Circuit

DTC B1327

Battery/Source Voltage Low

DTC B1340

Air Mix Door One Movement Fault

DTC B1341

Air Mix Door Two Movement Fault

DTC B1347

Very Low A/C Refrigerant Warning

DTC B1348

Very Low A/C Refrigerant Pressure

DTC B1350

Engine Coolant Over-Temperature

DTC B1552

Keep Alive Memory (KAM) Error

DTC B1556

BCM EPROM Write Error

DTC B1557

EEPROM Calibration Error

DTC B1558

BCM EPROM Checksum Error

DTC B1656

EEPROM Write Error

DTC B1658

EEPROM Checksum Error

DTC B1760

CD Changer Not Responding

DTC B1780

Theft Lock Enabled

DTC B1970

Exterior Lamp Power

DTC B1971

Inadvertent Power

DTC B1972

Low Power Driver Fault

DTC B1973

High Power Control Fault

DTC B1981

Battery Voltage Low

DTC B1982

Device Power 1 Circuit High

DTC B1983

Device Power 1 Circuit Low

DTC B2101-B2108

Power Seat Switch Circuit

DTC B2109-B2112

Power Seat Switch Circuit

DTC B2115-B2120

Power Seat Position Sensor Circuit

DTC B2130-B2133

Memory Switch Circuit

DTC B2140-B2143

Mirror Switch Circuit

DTC B2144, B2146, B2148, or B2150

Mirror Position Sensor Circuit Low

DTC B2145, B2147, B2149, or B2151

Mirror Position Sensor Circuit High

DTC B2419

Twilight Photocell Circuit Problem

DTC B2462

GPS Signal Error

DTC B2470

Daytime Running Lamps Fault

DTC B2471

Interior Lamp Fault

DTC B2472

Low Beam Fault

DTC B2473

High Beam Fault

DTC B2476

Cellular Phone Select Service Switch Malfunction

DTC B2477

Reverse Lamp Relay Shorted to Ground

DTC B2478

Reverse Lamp Shorted to Battery

DTC B2502

Auto Trans Shift Lock Control Shorted to Ground

DTC B2503

Park Gear (Auto Trans Shift Lock Control) Relay Shorted to Batt

DTC B2510

Steering Wheel Controls HVAC Key Stuck

DTC B2511

Steering Wheel Controls Conv Key Stuck

DTC B2515

Strg Whl Cont Illegal Resistance Value

DTC B2550

Storage Mode Entered

DTC B2710

PASSKey Open/Shorted Pellet

DTC B2711

PASSKey Open/Shorted Pellet After Good Key

DTC B2719

CTD-Trunk Tamper Switch Fault

DTC B2750

PASSKey Data Communication Failure

DTC B2780

Wrong Resistor Before Good

DTC B2781

Wrong Resistor After Good

DTC B2782

PASSKey Pellet Resistance Not Programmed

DTC B2783

Key Code/Password Corrupted in Memory

DTC B3109

Keyless Entry Transmitter Low Battery

DTC C0550

ECU Malfunction

DTC C0563

Calibration ROM Checksum Error

DTC C0577, C0578, C0579, C0582, C0583, C0584, C0587, C0588, C0589, C0592, C0593 or C0594

Suspension Solenoid Circuit

DTC C0615, C0620, C0625 or C0630

Suspension Position Sensor Circuit

DTC C0635, C0638, C0640, C0643, C1252, or C1253

Normal Force Circuit

DTC C0657 or C0658

Level Control Compressor Circuit

DTC C0662 or C0663

Level Control Exhaust Value Circuit

DTC C0665

Chassis Pitch Signal Circuit

DTC C0690, C0691, or C0693

Damper Control Relay Circuit

DTC C0695

Position Sensor Overcurrent (8 volt supply)

DTC C0710

Steering Position Signal Malfunction

DTC C0896

Device Voltage Range/Performance

DTC C1211

ABS Warning Lamp Circuit Malfunction

DTC C1214

Solenoid Valve Relay Contact or Coil Circuit Open

DTC C1217

Pump Motor Relay Contact Circuit Open

DTC C1221-C1235

Wheel Speed Sensor Circuit

DTC C1236

Low System Supply Voltage

DTC C1237

High System Supply Voltage

DTC C1238

Brake Thermal Model Exceeded

DTC C1241

Magnasteer Malfunction

DTC C1242 or C1243

Pump Motor Circuit

DTC C1255 or C1256

ECU Malfunction

DTC C1261-C1274

EBCM Internal Solenoid Circuit

DTC C1276, P1644, or P1689

Delivered Torque Circuit

DTC C1277 or P1571

Powertrain Indicated Traction Control Malfunction

DTC C1278

TCS Temporarily Inhibited By PCM

DTC C1281, C1283, or C1286

VSES Sensors Uncorrected

DTC C1282

Yaw Rate Sensor Bias Circuit Malfunction

DTC C1284 or C1285

Lateral Accelerometer Circuit

DTC C1287 or C1288

Steering Position Sensor Circuit

DTC C1291

Open Brake Lamp Switch Contacts During Deceleration

DTC C1294

Brake Lamp Switch Circuit Always Active

DTC C1295

Brake Lamp Switch Circuit Open

DTC C1297

PCM Indicated Brake Extended Travel Switch Failure

DTC P0030

HO2S Heater Control Circuit Bank 1 Sensor 1

DTC P0036

HO2S Heater Control Circuit Bank 1 Sensor 2

DTC P0101

Mass Air Flow (MAF) Sensor Performance

DTC P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

DTC P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

DTC P0106

Manifold Absolute Pressure (MAP) System Performance

DTC P0107

Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

DTC P0108

Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

DTC P0112

Intake Air Temperature (IAT) Sensor Circuit Low Voltage

DTC P0113

Intake Air Temperature (IAT) Sensor Circuit High Voltage

DTC P0116

Engine Coolant Temperature (ECT) Sensor Performance

DTC P0117

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

DTC P0118

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

DTC P0121

TP Sensor Circuit Insufficient Activity

DTC P0122

Throttle Position (TP) Sensor Circuit Low Voltage

DTC P0123

Throttle Position (TP) Sensor Circuit High Voltage

DTC P0125

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

DTC P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

DTC P0130 or P0150

HO2S Circuit

DTC P0131 or P0151

HO2S Circuit Low Voltage

DTC P0132 or P0152

HO2S Circuit High Voltage

DTC P0133

HO2S Slow Response Bank 1 Sensor 1

DTC P0134 or P0154

HO2S Circuit Insufficient Activity

DTC P0135

HO2S Heater Performance Bank 1 Sensor 1

DTC P0137

HO2S Circuit Low Voltage Bank 1 Sensor 2

DTC P0138

HO2S Circuit High Voltage Bank 1 Sensor 2

DTC P0140

HO2S Circuit Insufficient Activity Bank 1 Sensor 2

DTC P0141

HO2S Heater Performance Bank 1 Sensor 2

DTC P0153

HO2S Slow Response Bank 2 Sensor 1

DTC P0155

HO2S Heater Performance Bank 2 Sensor 1

DTC P0171 or P0174

Fuel Trim System Lean

DTC P0172 or P0175

Fuel Trim System Rich

DTC P0201-P0208

Injector Control Circuit

DTC P0218

Transmission Fluid Overtemperature

DTC P0230

Fuel Pump Relay Control Circuit

DTC P0300

Engine Misfire Detected

DTC P0325

PCM Knock Sensor Circuit

DTC P0326

Knock Sensor CKT Excessive Spark Retard

DTC P0327

Knock Sensor Circuit Low Voltage

DTC P0335

CKP Sensor A Circuit Performance

DTC P0336

Crankshaft Position (CKP) Sensor A Performance

DTC P0340

Camshaft Position (CMP) Sensor Circuit

DTC P0341

Camshaft Position (CMP) Sensor Performance

DTC P0351-P0358

Ignition Coil Control Circuit

DTC P0385

Crankshaft Position (CKP) Sensor B Circuit

DTC P0386

Crankshaft Position (CKP) Sensor B Performance

DTC P0401

Exhaust Gas Recirculation (EGR) Flow Insufficient

DTC P0403

Exhaust Gas Recirculation (EGR) Solenoid Control Circuit

DTC P0404

Exhaust Gas Recirculation (EGR) Open Position Performance

DTC P0405

Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage

DTC P0410

Secondary Air Injection (AIR) System

DTC P0412

Secondary Air Injection (AIR) Solenoid Control Circuit

DTC P0418

Secondary Air Injection (AIR) Pump Control Circuit

DTC P0420

Catalyst System Low Efficiency

DTC P0440

Evaporative Emission (EVAP) System

DTC P0442

Evaporative Emission (EVAP) System Small Leak Detected

DTC P0443

EVAP Purge Solenoid Valve 1 Control CKT

DTC P0446

Evaporative Emission (EVAP) Vent System Performance

DTC P0449

Evaporative Emission (EVAP) Vent Solenoid Control Circuit

DTC P0452

Fuel Tank Pressure Sensor Circuit Low Voltage

DTC P0453

Fuel Tank Pressure Sensor Circuit High Voltage

DTC P0461

Fuel Level Sensor Performance

DTC P0480

Cooling Fan Relay 1 Control Circuit

DTC P0481

Cooling Fan Relay 2 Control Circuit

DTC P0502

Vehicle Speed Sensor (VSS) Circuit Low Input

DTC P0503

Vehicle Speed Sensor (VSS) Circuit Intermittent

DTC P0506

Idle Speed Low

DTC P0507

Idle Speed High

DTC P0560

System Voltage

DTC P0562

System Voltage Low

DTC P0563

System Voltage High

DTC P0574

Vehicle Speed Too High - Cruise Control Disabled

DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, or P1683

ECU Malfunction

DTC P0615

Starter Relay Control Circuit

DTC P0621

Generator L-Terminal Circuit

DTC P0622

Generator F-Terminal Circuit

DTC P0650

Malfunction Indicator Lamp (MIL) Control Circuit

DTC P0711

TFT Sensor Circuit Range/Performance

DTC P0712

Transmission Fluid Temperature (TFT) Sensor Circuit Low Input

DTC P0713

Transmission Fluid Temperature (TFT) Sensor Circuit High Input

DTC P0716

Input Speed Sensor Circuit Intermittent

DTC P0717

Input Speed Sensor Circuit Low Input

DTC P0719

Brake Switch Circuit Low Input

DTC P0724

Brake Switch Circuit High Input

DTC P0731

Incorrect 1st Gear Ratio

DTC P0732

Incorrect 2nd Gear Ratio

DTC P0733

Incorrect 3rd Gear Ratio

DTC P0734

Incorrect 4th Gear Ratio

DTC P0741

TCC System Stuck Off

DTC P0742

TCC System Stuck On

DTC P0748

Pressure Control Solenoid Circuit Electrical

DTC P0751

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

DTC P0752

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

DTC P0756

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

DTC P0757

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

DTC P1031

HO2S Heater Current Monitor Control Circuit Banks 1 and 2 Sensor 1

DTC P1032

HO2S Heater Warm Up Control Circuit Banks 1 and 2 Sensor 1

DTC P1106

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage

DTC P1107

Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage

DTC P1111

Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage

DTC P1112

Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

DTC P1114

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage

DTC P1115

Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage

DTC P1121

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

DTC P1122

Throttle Position (TP) Sensor Circuit Intermittent Low Voltage

DTC P1133 or P1153

HO2S Insufficient Switching

DTC P1134 or P1154

HO2S Transition Time Ratio

DTC P1189

Engine Oil Pressure (EOP) Switch Circuit

DTC P1258

Engine Coolant Overtemperature - Protection Mode Active

DTC P1336

Crankshaft Position (CKP) System Variation Not Learned

DTC P1359

Ignition Coil Group 1 Control Circuit

DTC P1360

Ignition Coil Group 2 Control Circuit

DTC P1372

Crankshaft Position (CKP) Sensor A-B Correlation

DTC P1380

Misfire Detected - Rough Road Data Not Available

DTC P1381

Misfire Detected - No Communication with Brake Control Module

DTC P1404

Exhaust Gas Recirculation (EGR) Closed Position Performance

DTC P1415 or P1416

Secondary Air Injection (AIR) System

DTC P1441

Evaporative Emission (EVAP) System Flow During Non-Purge

DTC P1545

Air Conditioning (A/C) Clutch Relay Control Circuit

DTC P1554

Cruise Control Feedback Circuit

DTC P1560

Transaxle Not in Drive - Cruise Control Disabled

DTC P1564

Vehicle Acceleration Too High - Cruise Control Disabled

DTC P1566

Engine RPM Too High - Cruise Control Disabled

DTC P1567

Active Banking Control Active - Cruise Control Disabled

DTC P1570

Traction Control Active - Cruise Control Disabled

DTC P1574

Stoplamp Switch Circuit

DTC P1575

Extended Travel Brake Switch Circuit

DTC P1585

Cruise Control Inhibit Output Circuit

DTC P1617

Engine Oil Level Switch Circuit

DTC P1624

Customer Snapshot Requested - Data Available

DTC P1630

Theft Deterrent Learn Mode Active

DTC P1631

Theft Deterrent Start Enable Signal Not Correct

DTC P1633

Ignition 0 Switch Circuit

DTC P1634

Ignition 1 Switch Circuit

DTC P1635

5 Volt Reference 1 Circuit

DTC P1639

5 Volt Reference 2 Circuit

DTC P1811

Maximum Adapt and Long Shift

DTC P1814

Torque Converter Overstressed

DTC P1820

Internal Mode Switch Circuit A Low

DTC P1822

Internal Mode Switch Circuit B High

DTC P1823

Internal Mode Switch Circuit P Low

DTC P1825

Internal Mode Switch - Invalid Range

DTC P1842

1-2 Shift Solenoid Circuit Low Voltage

DTC P1843

1-2 Shift Solenoid Circuit High Voltage

DTC P1845

2-3 Shift Solenoid Circuit Low Voltage

DTC P1847

2-3 Shift Solenoid Circuit High Voltage

DTC P1860

TCC PWM Solenoid Circuit Electrical

DTC P1868

Transmission Fluid Life

DTC U1000 and U1255

Class 2 Communication Malfunction

DTC U1001-U1254

Lost Communications With XXX

DTC U1300, U1301, or U1305

Class 2 Data Link Shorted

DTC U1500

Inter-Device Dedicated Bus Malfunction