GM Service Manual Online
For 1990-2009 cars only

DTC

Descriptor

DTC 011 or 015

Cruise Control Servo Motor Circuit

DTC 012

Magnetic Clutch CKT Open or Short to Ground

DTC 014

Motor CKT Open or S/Gnd

DTC 021

VSS CKT Open or S/Gnd

DTC 023

Speed Drops More Than 10 mph

DTC 041

Continuous CCM Output to Actuator

DTC 042

Low System Voltage

DTC B0100, B0101, B0102, or B0103

Driver Air Bag Deploy Loop Circuit

DTC B0105, B0106, B0107, or B0108

RH Side Air Bag Deploy Loop Circuit

DTC B0110, B0111, B0112, or B0113

RH Side Air Bag Deploy Loop Circuit

DTC B0115, B0116, B0117, or B0118

LH Side Air Bag Deploy Loop Circuit

DTC B0126

Right Side Seat Belt Buckle Switch

DTC B0127

Left Side Seat Belt Buckle Switch

DTC B0130, B0131, B0132, or B0133

Passenger Pretensioner Deployment Loop Circuit

DTC B0135, B0136, B0137, or B0138

Driver Pretensioner Deployment Loop Circuit

DTC B1100

Internal SDM Malfunction

DTC B1140

RH Side Impact Sensor Circuit

DTC B1141

LH Side Impact Sensor Circuit

DTC B1153

Driver Seat Position Sensor Assembly

DTC B1156 or B1157

RH Discriminating Sensor Circuit

DTC B1158 or B1159

LH Discriminating Sensor Circuit

DTC B1180, B1181, B1182, or B1183

Driver Air Bag Deployment Loop Circuit 2

DTC B1185, B1186, B1187, or B1188

Passenger Air Bag Deployment Loop Circuit 2

DTC C0200-C0215, C1235-C1239, or C1271-C1278

Wheel Speed Sensor Circuit

DTC C0200-C0215, C1271-C1278, or C1330-C1333

Wheel Speed Sensor Circuit

DTC C0226-C0256

Solenoid Circuit Malfunction

DTC C0273

ABS Motor Relay Open

DTC C0274

ABS Motor Relay Shorted

DTC C0278

Solenoid Relay Circuit Open or Shorted

DTC C0279

ABS Solenoid Relay Circuit Shorted to Voltage

DTC C1241

ECU Voltage

DTC C1243

Deceleration Sensor

DTC C1244

Deceleration Sensor Circuit Open or Shorted

DTC C1249

Stop Lamp Switch Circuit Open

DTC C1251

Pump Motor Performance

DTC C1279

Deceleration Sensor

DTC P0100

Mass Air Flow (MAF) Sensor Circuit

DTC P0101

Mass Air Flow (MAF) Sensor Performance

DTC P0110

Intake Air Temperature (IAT) Sensor Circuit

DTC P0115

Engine Coolant Temperature (ECT) Sensor Circuit

DTC P0116

Engine Coolant Temperature (ECT) Sensor Performance

DTC P0120

Throttle Position (TP) Sensor Circuit

DTC P0121

Throttle Position (TP) Sensor Performance

DTC P0125

Excessive Time to Closed Loop Fuel Control

DTC P0128

Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

DTC P0130

HO2S Circuit Sensor 1

DTC P0133

HO2S Slow Response Sensor 1

DTC P0135 or P0141

HO2S Heater Performance Sensor 1

DTC P0136

HO2S Circuit Sensor 2

DTC P0171

Fuel Trim System Lean

DTC P0172

Fuel Trim System Rich

DTC P0300

Engine Misfire Detected

DTC P0301-P0304

Engine Misfire Detected

DTC P0325

Knock Sensor (KS) Circuit

DTC P0335

Crankshaft Position (CKP) Sensor Circuit

DTC P0340

Camshaft Position (CMP) Sensor Circuit

DTC P0420

Catalyst System Low Efficiency

DTC P0440

Evaporative Emission (EVAP) System

DTC P0441

Evaporative Emission (EVAP) System No Flow During Purge

DTC P0442

Evaporative Emission (EVAP) System Small Leak Detected

DTC P0446

Evaporative Emission (EVAP) Vent System Performance

DTC P0450

Fuel Tank Pressure Sensor Circuit

DTC P0451

Fuel Tank Pressure Sensor Performance

DTC P0500

Vehicle Speed Sensor (VSS) Circuit

DTC P0505

Idle Control System

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

ECU Malfunction

DTC P0710

Transmission Fluid Temperature (TFT) Sensor Circuit

DTC P0711

Transmission Fluid Temperature (TFT) Sensor Performance

DTC P0750

Shift Solenoid (SS) 1 Performance

DTC P0753

Shift Solenoid (SS) 1 Control Circuit

DTC P0755

Shift Solenoid (SS) 2 Performance

DTC P0758

Shift Solenoid (SS) 2 Control Circuit

DTC P0770

Torque Converter Clutch (TCC) System Performance

DTC P0773

Torque Converter Clutch (TCC) Enable Solenoid Control Circuit

DTC P1300, P1305, P1310, P1315

Ignition Coil Primary Feedback Circuit

DTC P1335

Crankshaft Position (CKP) Sensor Circuit

DTC P1346

Intake Camshaft Position (CMP) System Performance

DTC P1349

Intake Camshaft Position (CMP) System

DTC P1520

Stoplamp Switch Circuit

DTC P1725

Input Speed Sensor Circuit

DTC P1760

Line Pressure Control (PC) Solenoid Control Circuit

DTC P1780

Park/Neutral Position (PNP) Switch

DTCP1790

2nd Brake Control Solenoid Circuit

DTC P1656

Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit

DTC P1690

Rocker Arm Actuator Solenoid Control Circuit

DTC P1692

Rocker Arm Actuator System Stuck On

DTC P1693

Rocker Arm Actuator System Stuck Off