GM Service Manual Online
For 1990-2009 cars only

DTC

Descriptor

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

Right Front/Passenger Frontal Deployment Loop (Stage 1) Circuit

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

Left Front/Driver Frontal Deployment Loop (Stage 1) Circuit

DTC B0051

Deployment Commanded

DTC B0053

Deployment Commanded with Loop Malfunctions Present

DTC B0057, B0058, or B0059

Passenger Pretensioner Deployment Loop Circuit

DTC B0061, B0062, or B0068

Driver Roof Rail Bag Deployment Loop Circuit

DTC B0064, B0065, or B0066

Driver Pretensioner Deployment Loop Circuit

DTC B0069, B0070, or B0071

Passenger Roof Rail Bag Deployment Loop Circuit

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

Side Impact Sensor (SIS) Circuit

DTC B0083 or B0084

Inflatable Restraint Seat Position Switch Circuit

DTC B0090

Active Switch Voltage Out of Range

DTC B0091

Active Switch Wrong State

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

Electronic Frontal Sensor Circuit

DTC B0527, B0528, or B0529

Right Turn Signal Circuit

DTC B0532, B0533, or B0534

Left Turn Signal Circuit

DTC B0827

Traction Control System Off Indicator Circuit Low

DTC B0828

Traction Control System Off Indicator Circuit High

DTC B1000

ECU Malfunction

DTC B1001

Option Configuration Error

DTC B1004

Keep Alive Memory (KAM) Reset

DTC B1007

EEPROM Write Error

DTC B1009

EEPROM Checksum Mismatch

DTC B1025, B1035, B1045, or B1055

Audio [+] Output Circuit

DTC B1259

Antenna Ground Circuit

DTC B1372

Device Ignition 1 (ON and START) Circuit Low

DTC B1372, B1373, or B1374

Device Ignition 1 Circuit

DTC B1382, B1383, or B1384

Device Ignition ACCESSORY Circuit

DTC B1420

Device Voltage

DTC B1441, B1442, or B1443

Device Ignition OFF, RUN, and CRANK Circuit

DTC B1477 or B1478

Retained Accessory Power Circuit Low

DTC B2455

Cellular Phone Microphone Circuit

DTC B2470

Cellular Phone Antenna Circuit

DTC B2476

Cellular Phone Select Service Switch Malfunction

DTC B2482

Cellular Phone Select Service Switch Range/Performance

DTC B2483 or B2484

Global Positioning System (GPS) Sensor Circuit

DTC B2532 or B2533

Front Foglamps Control Circuit

DTC B2557 or B2558

Passenger Compartment Lamp Control Circuit

DTC B2562 or B2563

Cargo Lamp Control Circuit

DTC B2575

Headlamp Control Circuit

DTC B2582 or B2583

Headlamp High Beam Control Circuit

DTC B2585

Parklamp Control Circuit Malfunction

DTC B2622 or B2623

Display Dimming Pulse Width Modulation (PWM) Input Circuit

DTC B2624

Display Dimming Signal Circuit

DTC B2647 or B2648

Ambient Light Sensor Circuit

DTC B2707

Gearshift Unlock Circuit Low

DTC B2708

Gearshift Unlock Circuit High

DTC B2725

ATC Mode Switch Circuit Malfunction

DTC B2745

Traction Control Switch Circuit

DTC B2752

Horn Relay Coil Circuit Low

DTC B2753

Horn Relay Coil Circuit High

DTC B2957

Security System Sensor Data Circuit Low

DTC B2958

Security System Sensor Data Circuit High

DTC B2960

Sec Sys Sensor Data Incorrect but Valid

DTC B3031

Security System Controller in Learn Mode

DTC B3033

Security System Indicates Tamper

DTC B3142 or B3143

Driver Unlock Switch Circuit

DTC B3152 or B3153

Driver Lock Switch Circuit

DTC B3715, B3716, B3717, B3718, or B3719

Front Wiper Relay Drive Circuit

DTC B3787 or B3788

Blower Motor Relay Control Circuit

DTC C0035

Left Front Wheel Speed Sensor Circuit

DTC C0040

Right Front Wheel Speed Sensor Circuit

DTC C0055

Rear Wheel Speed Sensor Circuit

DTC C0110

Pump Motor Circuit

DTC C0191

Four Wheel Drive (4WD) Reference Accelerometer Circuit

DTC C0201

Antilock Brake System (ABS) Enable Relay Contact Circuit

DTC C0220-C0229

Antilock Brake System (ABS) Channel in Release Too Long

DTC C0240 or P1571

Powertrain Control Module (PCM) Traction Control Not Allowed

DTC C0244 or P1689

Pulse Width Modulated (PWM) Delivered Torque

DTC C0245

Wheel Speed Sensor Frequency Error

DTC C0267 or C0268

Pump Motor Circuit

DTC C0327

Encoder Circuit Malfunction

DTC C0550

ECU Malfunction

DTC C0569

System Configuration Error

DTC C0899

Device Voltage Low

DTC C0900

Device Voltage High

DTC P0013

Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit

DTC P0014

Exhaust Camshaft Position (CMP) System Performance

DTC P0016

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

DTC P0017

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

DTC P0030 or P0036

HO2S Heater Control Circuit

DTC P0068

Throttle Body Airflow Performance

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 P0117

Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

DTC P0118

Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

DTC P0120

Throttle Position (TP) Sensor 1 Circuit

DTC P0121

TP Sensor Circuit Insufficient Activity

DTC P0125

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

DTC P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

DTC P0130

HO2S Circuit Sensor 1 (LK5)

DTC P0130

HO2S Circuit Bank 1 Sensor 1 (L52)

DTC P0131

HO2S Circuit Low Voltage Sensor 1 (LK5)

DTC P0131

HO2S Circuit Low Voltage Bank 1 Sensor 1 (L52)

DTC P0132

HO2S Circuit High Voltage Sensor 1 (LK5)

DTC P0132

HO2S Circuit High Voltage Bank 1 Sensor 1 (L52)

DTC P0133

HO2S Slow Response Sensor 1 (LK5)

DTC P0133

HO2S Slow Response Bank 1 Sensor 1 (L52)

DTC P0134

HO2S Circuit Insufficient Activity Sensor 1 (LK5)

DTC P0134

HO2S Circuit Insufficient Activity Bank 1 Sensor 1 (L52)

DTC P0135

HO2S Heater Performance Sensor 1 (LK5)

DTC P0135

HO2S Heater Performance Bank 1 Sensor 1 (L52)

DTC P0136

HO2S Circuit Sensor 2 (LK5)

DTC P0136

HO2S Circuit Bank 1 Sensor 2 (L52)

DTC P0137

HO2S Circuit Low Voltage Sensor 2 (LK5)

DTC P0137

HO2S Circuit Low Voltage Bank 1 Sensor 2 (L52)

DTC P0138

HO2S Circuit High Voltage Sensor 2 (LK5)

DTC P0138

HO2S Circuit High Voltage Bank 1 Sensor 2 (L52)

DTC P0140

HO2S Circuit Insufficient Activity Sensor 2 (LK5)

DTC P0140

HO2S Circuit Insufficient Activity Bank 1 Sensor 2 (L52)

DTC P0141

HO2S Heater Performance Sensor 2 (LK5)

DTC P0141

HO2S Heater Performance Bank 1 Sensor 2 (L52)

DTC P0171

Fuel Trim System Lean

DTC P0172

Fuel Trim System Rich

DTC P0201-P0204

Fuel Temperature Sensor Circuit High Pulsewidth (LK5)

DTC P0201-P0205

Fuel Temperature Sensor Circuit High Pulsewidth (L52)

DTC P0218

Transmission Fluid Overtemperature

DTC P0220

Throttle Position (TP) Sensor 2 Circuit

DTC P0230

Fuel Pump Relay Control Circuit

DTC P0300

Engine Misfire Detected

DTC P0301-P0304

Cylinder X Misfire Detected (LK5)

DTC P0301-P0305

Cylinder X Misfire Detected (L52)

DTC P0315

Crankshaft Position (CKP) System Variation Not Learned

DTC P0325

Knock Sensor (KS) Circuit

DTC P0326

Knock Sensor (KS) Performance

DTC P0327

Knock Sensor (KS) Circuit (LK5)

DTC P0327 or P0332

Knock Sensor (KS) Circuit (L52)

DTC P0335

Crankshaft Position (CKP) Sensor Circuit

DTC P0336

Crankshaft Position (CKP) Sensor Performance

DTC P0340

Camshaft Position (CMP) Sensor Circuit

DTC P0341

Camshaft Position (CMP) Sensor Performance

DTC P0351-P0354

Ignition Coil X Control Circuit (LK5)

DTC P0351-P0355

Ignition Coil X Control Circuit (L52)

DTC P0365

Camshaft Position (CMP) Sensor 2 Circuit

DTC P0366

Camshaft Position (CMP) Sensor 2 Performance

DTC P0420

Catalyst System Low Efficiency

DTC P0442

Evaporative Emission (EVAP) System Small Leak Detected

DTC P0443

Evaporative Emission (EVAP) Purge Solenoid Control Circuit

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 P0455

Evaporative Emission (EVAP) System Large Leak Detected

DTC P0461

Fuel Level Sensor Performance

DTC P0462

Fuel Level Sensor Circuit Low Voltage

DTC P0463

Fuel Level Sensor Circuit High Voltage

DTC P0496

Evaporative Emission (EVAP) System Flow During Non-Purge

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 P0520

Engine Oil Pressure (EOP) Sensor Circuit

DTC P0532 or P0533

Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit

DTC P0562

System Voltage Low

DTC P0563

System Voltage High

DTC P0564

Cruise Control Multi-Function Switch Circuit

DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

ECU Malfunction

DTC P0621

Generator L-Terminal Circuit

DTC P0622

Generator F-Terminal Circuit

DTC P0641

5 Volt Reference 1 Circuit

DTC P0650

Malfunction Indicator Lamp (MIL) Control Circuit

DTC P0651

5 Volt Reference 2 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 P0719

Brake Switch Circuit Low Input

DTC P0724

Brake Switch Circuit High Input

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

DTC P0752

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

DTC P0756

2-3 Shift Solenoid Valve Performance

DTC P0757

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

DTC P0787

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

DTC P0788

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

DTC P0894

Transmission Component Slipping

DTC P0973

Shift Solenoid (SS) 1 Control Circuit Low Voltage

DTC P0974

Shift Solenoid (SS) 1 Control Circuit High Voltage

DTC P0976

Shift Solenoid (SS) 2 Control Circuit Low Voltage

DTC P0977

Shift Solenoid (SS) 2 Control Circuit High Voltage

DTC P1101

Intake Air Flow System Performance

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 P1133

HO2S Insufficient Switching Sensor 1

DTC P1380

Misfire Detected - Rough Road Data Not Available

DTC P1381

Misfire Detected - No Communication with Brake Control Module

DTC P1516

Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance

DTC P1523

Throttle Closed Position Performance

DTC P1545

Air Conditioning (A/C) Clutch Relay Control Circuit

DTC P1574

Stoplamp Switch Circuit

DTC P1626

Theft Deterrent Fuel Enable Signal Lost

DTC P1630

Theft Deterrent Learn Mode Active

DTC P1631

Theft Deterrent Start Enable Signal Not Correct

DTC P1682

Ignition 1 Switch Circuit 2

DTC P1810

TFP Valve Position Switch Circuit

DTC P1815

Transmission Fluid Pressure (TFP) Valve Position Switch - Start in Wrong Range

DTC P1816

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

DTC P1862

Torque Converter Clutch TCC Solenoid Valve Circuit Low Voltage

DTC P1863

Torque Converter Clutch TCC Solenoid Valve Circuit High Voltage

DTC P2101

Control Module Throttle Actuator Position Performance

DTC P2120

Accelerator Pedal Position (APP) Sensor 1 Circuit

DTC P2125

Accelerator Pedal Position (APP) Sensor 2 Circuit

DTC P2135

Throttle Position (TP) Sensor 1-2 Correlation

DTC P2138

Accelerator Pedal Position (APP) Sensor 1-2 Correlation

DTC P2176

Minimum Throttle Position Not Learned

DTC P2763

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

DTC P2764

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

DTC P2771

Four Wheel Drive (4WD) Low Switch Circuit

DTC U1000 and U1255

Class 2 Communication Malfunction

DTC U1001-U1254

Loss of XXX Communications

DTC U1300, U1301, or U1305

Class 2 Data Link Shorted

DTC U1500

Communication State of Health