GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

P0005

DTC P0005

PCM¹

P0068

DTC P0068 in Engine Controls in the G/H Van Service Manual

PCM

P0101

DTC P0101 in Engine Controls in the G/H Van Service Manual

PCM

P0102

DTC P0102 in Engine Controls in the G/H Van Service Manual

PCM

P0103

DTC P0103 in Engine Controls in the G/H Van Service Manual

PCM

P0106

DTC P0106 in Engine Controls in the G/H Van Service Manual

PCM

P0107

DTC P0107 in Engine Controls in the G/H Van Service Manual

PCM

P0108

DTC P0108 in Engine Controls in the G/H Van Service Manual

PCM

P0112

DTC P0112 in Engine Controls in the G/H Van Service Manual

PCM

P0113

DTC P0113 in Engine Controls in the G/H Van Service Manual

PCM

P0116

DTC P0116 in Engine Controls in the G/H Van Service Manual

PCM

P0117

DTC P0117 in Engine Controls in the G/H Van Service Manual

PCM

P0118

DTC P0118 in Engine Controls in the G/H Van Service Manual

PCM

P0121

DTC P0121 in Engine Controls in the G/H Van Service Manual

PCM

P0122

DTC P0122 in Engine Controls in the G/H Van Service Manual

PCM

P0123

DTC P0123 in Engine Controls in the G/H Van Service Manual

PCM

P0125

DTC P0125 in Engine Controls in the G/H Van Service Manual

PCM

P0128

DTC P0128 in Engine Controls in the G/H Van Service Manual

PCM

P0131

DTC P0131 or P0151 in Engine Controls in the G/H Van Service Manual

PCM

P0132

DTC P0132 or P0152 in Engine Controls in the G/H Van Service Manual

PCM

P0133

DTC P0133 or P0153 in Engine Controls in the G/H Van Service Manual

PCM

P0134

DTC P0134 or P0154 in Engine Controls in the G/H Van Service Manual

PCM

P0135

DTC P0135, P0141, P0155, or P0161 in Engine Controls in the G/H Van Service Manual

PCM

P0136

DTC P0136 or P0156 in Engine Controls in the G/H Van Service Manual

PCM

P0137

DTC P0137 or P0157 in Engine Controls in the G/H Van Service Manual

PCM

P0138

DTC P0138 or P0158 in Engine Controls in the G/H Van Service Manual

PCM

P0140

DTC P0140 or P0160 in Engine Controls in the G/H Van Service Manual

PCM

P0141

DTC P0135, P0141, P0155, or P0161 in Engine Controls in the G/H Van Service Manual

PCM

P0151

DTC P0131 or P0151 in Engine Controls in the G/H Van Service Manual

PCM

P0152

DTC P0132 or P0152 in Engine Controls in the G/H Van Service Manual

PCM

P0153

DTC P0133 or P0153 in Engine Controls in the G/H Van Service Manual

PCM

P0154

DTC P0134 or P0154 in Engine Controls in the G/H Van Service Manual

PCM

P0155

DTC P0135, P0141, P0155, or P0161 in Engine Controls in the G/H Van Service Manual

PCM

P0156

DTC P0136 or P0156 in Engine Controls in the G/H Van Service Manual

PCM

P0157

DTC P0137 or P0157 in Engine Controls in the G/H Van Service Manual

PCM

P0158

DTC P0138 or P0158 in Engine Controls in the G/H Van Service Manual

PCM

P0160

DTC P0140 or P0160 in Engine Controls in the G/H Van Service Manual

PCM

P0161

DTC P0135, P0141, P0155, or P0161 in Engine Controls in the G/H Van Service Manual

PCM

P0171

DTC P0171 or P0174

DTC P0171 or P0174 in Engine Controls in the G/H Van Service Manual

PCM

P0172

DTC P0172 or P0175

DTC P0172 or P0175 in Engine Controls in the G/H Van Service Manual

PCM

P0174

DTC P0171 or P0174

DTC P0171 or P0174 in Engine Controls in the G/H Van Service Manual

PCM

P0175

DTC P0172 or P0175

DTC P0172 or P0175 in Engine Controls in the G/H Van Service Manual

PCM

P0182

DTC P0182

PCM¹

P0183

DTC P0183

PCM¹

P0186

DTC P0186

PCM¹

P0187

DTC P0187

PCM¹

P0188

DTC P0188

PCM¹

P0191

DTC P0191

PCM¹

P0192

DTC P0192

PCM¹

P0193

DTC P0193

PCM¹

P0200

DTC P0200

PCM

P0218

DTC P0218 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0230

DTC P0230 in Engine Controls in the G/H Van Service Manual

PCM²

P0300

DTC P0300

PCM

P0315

DTC P0315 in Engine Controls in the G/H Van Service Manual

PCM

P0325

DTC P0325 in Engine Controls in the G/H Van Service Manual

PCM

P0327

DTC P0327 or P0332 in Engine Controls in the G/H Van Service Manual

PCM

P0332

DTC P0327 or P0332 in Engine Controls in the G/H Van Service Manual

PCM

P0335

DTC P0335 in Engine Controls in the G/H Van Service Manual

PCM

P0336

DTC P0336 in Engine Controls in the G/H Van Service Manual

PCM

P0341

DTC P0341 in Engine Controls in the G/H Van Service Manual

PCM

P0342

DTC P0342 in Engine Controls in the G/H Van Service Manual

PCM

P0343

DTC P0343 in Engine Controls in the G/H Van Service Manual

PCM

P0351-P0358

DTC P0351-P0358 in Engine Controls in the G/H Van Service Manual

PCM

P0420

DTC P0420 or P0430 in Engine Controls in the G/H Van Service Manual

PCM²

P0430

DTC P0420 or P0430 in Engine Controls in the G/H Van Service Manual

PCM²

P0442

DTC P0442 in Engine Controls in the G/H Van Service Manual

PCM²

P0443

DTC P0443 in Engine Controls in the G/H Van Service Manual

PCM²

P0446

DTC P0446 in Engine Controls in the G/H Van Service Manual

PCM²

P0449

DTC P0449 in Engine Controls in the G/H Van Service Manual

PCM²

P0452

DTC P0452 in Engine Controls in the G/H Van Service Manual

PCM²

P0453

DTC P0453 in Engine Controls in the G/H Van Service Manual

PCM²

P0455

DTC P0455 in Engine Controls in the G/H Van Service Manual

PCM²

P0461

DTC P0461 in Instrument Panel, Gages, and Console in the G/H Van Service Manual

PCM², IPC

P0462

DTC P0462 in Instrument Panel, Gages, and Console in the G/H Van Service Manual

PCM², IPC

P0463

DTC P0463 in Instrument Panel, Gages, and Console in the G/H Van Service Manual

PCM², IPC

P0496

DTC P0496 in Engine Controls in the G/H Van Service Manual

PCM²

P0502

DTC P0502 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0503

DTC P0503 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0506

DTC P0506 in Engine Controls in the G/H Van Service Manual

PCM

P0507

DTC P0507 in Engine Controls in the G/H Van Service Manual

PCM

P0522

DTC P0522 in Instrument, Panel, Gages, and Console in the G/H Van Service Manual

IPC

P0523

DTC P0523 in Instrument, Panel, Gages, and Console in the G/H Van Service Manual

IPC

P0562

DTC P0562 in Engine Electrical in the G/H Van Service Manual

PCM

P0563

DTC P0563 in Engine Electrical in the G/H Van Service Manual

PCM

P0601-P0607

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls in the G/H Van Service Manual

PCM

P0608

DTC P0608 in Cruise Control in the G/H Van Service Manual

PCM , IPC

P0611

DTC P0611

PCM¹

P0641

DTC P0641 in Engine Controls in the G/H Van Service Manual

PCM

P0650

DTC P0650 in Engine Controls in the G/H Van Service Manual

PCM

P0651

DTC P0651 in Engine Controls in the G/H Van Service Manual

PCM

P0706

DTC P0706 in Auto Transmission-4L80-E in the G/H Van Service Manual

PCM

P0711

DTC P0711 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0712

DTC P0712 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0713

DTC P0713 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0716

DTC P0716 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0717

DTC P0717 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0719

DTC P0719 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0724

DTC P0724 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0730

DTC P0730 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0741

DTC P0741 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0742

DTC P0742 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0748

DTC P0748 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0751

DTC P0751 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0752

DTC P0752 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0753

DTC P0753 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0756

DTC P0756 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0757

DTC P0757 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0758

DTC P0758 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P0894

DTC P0894 in Automatic Transmission 4L80E in the G/H Van Service Manual

PCM

P1020

DTC P1020

PCM¹

P1106

DTC P1106 in Engine Controls in the G/H Van Service Manual

PCM

P1107

DTC P1107 in Engine Controls in the G/H Van Service Manual

PCM

P1111

DTC P1111 in Engine Controls in the G/H Van Service Manual

PCM

P1112

DTC P1112 in Engine Controls in the G/H Van Service Manual

PCM

P1114

DTC P1114 in Engine Controls in the G/H Van Service Manual

PCM

P1115

DTC P1115 in Engine Controls in the G/H Van Service Manual

PCM

P1121

DTC P1121 in Engine Controls in the G/H Van Service Manual

PCM

P1122

DTC P1122 in Engine Controls in the G/H Van Service Manual

PCM

P1133

DTC P1133 or P1153 in Engine Controls in the G/H Van Service Manual

PCM

P1134

DTC P1134 or P1154 in Engine Controls in the G/H Van Service Manual

PCM

P1153

DTC P1133 or P1153 in Engine Controls in the G/H Van Service Manual

PCM

P1154

DTC P1134 or P1154 in Engine Controls in the G/H Van Service Manual

PCM

P1204

DTC P1204

PCM¹

P1207

DTC P1207

PCM¹

P1208

DTC P1208

PCM¹

P1209

DTC P1209

PCM¹

P1258

DTC P1258 in Engine Cooling in the G/H Van Service Manual

PCM

P1380

DTC P1380 in Engine Controls in the G/H Van Service Manual

PCM

P1381

DTC P1381 in Engine Controls in the G/H Van Service Manual

PCM

P1431

DTC P1431

PCM¹

P1432

DTC P1432

PCM¹

P1433

DTC P1433

PCM¹

P1626

DTC P1626 in Theft Deterrent in the G/H Van Service Manual

PCM

P1631

DTC P1631 in Theft Deterrent in the G/H Van Service Manual

PCM

P1637

DTC P1637 in Engine Electrical in the G/H Van Service Manual

PCM

P1683

DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610 in Engine Controls in the G/H Van Service Manual

PCM

P1810

DTC P1810 in Automatic Transmission-4L80-E in the G/H Van Service Manual

PCM

P2146

DTC P2146

PCM¹

P2665

DTC P2665

PCM¹

P2668

DTC P2668

PCM¹

U0306

Diagnostic System Check - Alternative Fuels (Engine Controls)

PCM

UXXXX

Diagnostic Trouble Code (DTC) List in Data Link Communications in the G/H Van Service Manual

PCM, BCM, IPC, VTD, EBCM

All DTCs operate on both fuel systems unless otherwise noted.

¹Tests only during CNG operation on KL6 vehicles.

²Tests only during gasoline operation. These DTCs are disabled on KL8 vehicles.