GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Modules

P0087

DTC P0087

ECM

P0088

DTC P0088

ECM

P0089

DTC P0089

ECM

P0090

DTC P0090

ECM

P0101

DTC P0101

ECM

P0102

DTC P0102

ECM

P0103

DTC P0103

ECM

P0106

DTC P0106

ECM

P0107

DTC P0107

ECM

P0108

DTC P0108

ECM

P0112

DTC P0112

ECM

P0113

DTC P0113

ECM

P0116

DTC P0116

ECM

P0117

DTC P0117

ECM

P0118

DTC P0118

ECM

P0168

DTC P0168

ECM

P0181

DTC P0181

ECM

P0182

DTC P0182

ECM

P0183

DTC P0183

ECM

P0192

DTC P0192

ECM

P0193

DTC P0193

ECM

P0201-P0208

DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208

ECM

P0234

DTC P0234

ECM

P0236

DTC P0236

ECM

P0237

DTC P0237

ECM

P0238

DTC P0238

ECM

P0300

DTC P0300

ECM

P0301-P0308

DTC P0301-P0308

ECM

P0335

DTC P0335

ECM

P0336

DTC P0336

ECM

P0340

DTC P0340

ECM

P0341

DTC P0341

ECM

P0370

DTC P0370 or P0374

ECM

P0374

DTC P0370 or P0374

ECM

P0380

DTC P0380

ECM

P0461

DTC P0461 in Instrument Panel, Gages, and Console

ECM

P0462

DTC P0462 in Instrument Panel, Gages, and Console

ECM

P0463

DTC P0463 in Instrument Panel, Gages, and Console

ECM

P0500

DTC P0500 in Manual Transmission

ECM

P0522

DTC P0522 in Instrument Panel, Gages, and Colsole

ECM

P0523

DTC P0523 in Instrument Panel, Gages and Colsole

ECM

P0540

DTC P0540

ECM

P0543

DTC P0543

ECM

P0562

DTC P0562 in Engine Electrical

ECM

P0563

DTC P0563 in Engine Electrical

ECM

P0567

DTC P0567 in Cruise Control

ECM

P0568

DTC P0568 in Cruise Control

ECM

P0571

DTC P0571 in Cruise Control

ECM

P0601

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

ECM

P0602

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

ECM

P0603

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

ECM

P0604

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

ECM

P0611

DTC P0611

ECM

P0612

DTC P0612

ECM

P0621

DTC P0621 in Engine Electrical

ECM

P0622

DTC P0622 in Engine Electrical

ECM

P0650

DTC P0650

ECM

P0704

DTC P0704 in Manual Transmission

ECM

P1093

DTC P1093

ECM

P1094

DTC P1094

ECM

P1125

DTC P1125

ECM

P1172

DTC P1172

ECM

P1223

DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244

ECM

P1226

DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244

ECM

P1229

DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244

ECM

P1232

DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244

ECM

P1235

DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244

ECM

P1238

DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244

ECM

P1241

DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244

ECM

P1244

DTC P1223, P1226, P1229, P1232, P1235, P1238, P1241, or P1244

ECM

P1261

DTC P1261

ECM

P1262

DTC P1262

ECM

P1270

DTC P1270

ECM

P1271

DTC P1271

ECM

P1272

DTC P1272

ECM

P1273

DTC P1273

ECM

P1277

DTC P1277

ECM

P1278

DTC P1278

ECM

P1282

DTC P1282

ECM

P1283

DTC P1283

ECM

P1287

DTC P1287

ECM

P1288

DTC P1288

ECM

P1345

DTC P1345

ECM

P1431

DTC P1431 in Instrument Panel, Gages, and Console

ECM

P1432

DTC P1432 in Instrument Panel, Gages, and Console

ECM

P1433

DTC P1433 in Instrument Panel, Gages, and Console

ECM

P1550

DTC P1550

ECM

P1621

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

ECM

P1635

DTC P1635

ECM

P1637

DTC P1637 in Engine Electrical

ECM

P1639

DTC P1639

ECM

P1643

DTC P1643 in Instrument Panel, Gages, and Console

ECM

P1658

DTC P1658

ECM

P1683

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610

ECM

U1800

DTC U1800

ECM

U2104

DTC U2104

ECM

U2106

DTC U2106

ECM

UXXXX

Diagnostic Trouble Code (DTC) List in Data Link Communications.

ECM, EBCM, EVO/Passlock, TCM, IPC