GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

P0101

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0102

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0103

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0106

Diagnostic System Check - Alternative Fuels (Engine Controls)

AF ECM

P0107

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0108

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0112

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0113

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0117

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0118

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0121

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0122

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0123

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0125

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0128

Diagnostic System Check - Engine Controls

PCM

P0131

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM¹, AF ECM

P0132

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM¹, AF ECM

P0133

Diagnostic System Check - Engine Controls

PCM¹

P0134

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM¹, AF ECM

P0135

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM¹, AF ECM

P0137

Diagnostic System Check - Engine Controls

PCM¹

P0138

Diagnostic System Check - Engine Controls

PCM¹

P0140

Diagnostic System Check - Engine Controls

PCM¹

P0141

Diagnostic System Check - Engine Controls

PCM¹

P0151

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM¹, AF ECM

P0152

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM¹, AF ECM

P0153

Diagnostic System Check - Engine Controls

PCM¹

P0154

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM¹, AF ECM

P0155

Diagnostic System Check - Engine Controls

PCM¹

P0157

Diagnostic System Check - Engine Controls

PCM¹

P0158

Diagnostic System Check - Engine Controls

PCM¹

P0160

Diagnostic System Check - Engine Controls

PCM¹

P0161

Diagnostic System Check - Engine Controls

PCM¹

P0171

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM¹, AF ECM

P0172

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM¹, AF ECM

P0174

Diagnostic System Check - Engine Controls

PCM¹

P0175

Diagnostic System Check - Engine Controls

PCM¹

P0200

Diagnostic System Check - Engine Controls

PCM¹

P0218

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0230

Diagnostic System Check - Engine Controls

PCM

P0300

Diagnostic System Check - Engine Controls

PCM

P0325

Diagnostic System Check - Engine Controls

PCM

P0327

Diagnostic System Check - Engine Controls

PCM

P0335

Diagnostic System Check - Engine Controls

PCM

P0336

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM²

P0341

Diagnostic System Check - Engine Controls

PCM

P0351

Diagnostic System Check - Engine Controls

PCM

P0401

Diagnostic System Check - Engine Controls

PCM

P0404

Diagnostic System Check - Engine Controls

PCM

P0405

Diagnostic System Check - Engine Controls

PCM

P0410

Diagnostic System Check - Engine Controls

PCM

P0412

Diagnostic System Check - Engine Controls

PCM

P0418

Diagnostic System Check - Engine Controls

PCM

P0420

Diagnostic System Check - Engine Controls

PCM¹

P0430

Diagnostic System Check - Engine Controls

PCM¹

P0440

Diagnostic System Check - Engine Controls

PCM¹

P0442

Diagnostic System Check - Engine Controls

PCM¹

P0443

Diagnostic System Check - Engine Controls

PCM¹

P0446

Diagnostic System Check - Engine Controls

PCM¹

P0449

Diagnostic System Check - Engine Controls

PCM¹

P0452

Diagnostic System Check - Engine Controls

PCM

P0453

Diagnostic System Check - Engine Controls

PCM

P0461

Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges, and Console

PCM, IPC

P0462

Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges, and Console

PCM, IPC

P0463

Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges, and Console

PCM, IPC

P0480

Diagnostic Starting Point - Engine Cooling in Engine Cooling

PCM

P0481

Diagnostic Starting Point - Engine Cooling in Engine Cooling

PCM

P0500

Diagnostic System Check - Alternative Fuels (Engine Controls)

AF ECM

P0502

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0503

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0506

Diagnostic System Check - Engine Controls

PCM

P0507

Diagnostic System Check - Engine Controls

PCM

P0562

Diagnostic System Check - Engine Electrical in Engine Electrical

PCM

P0563

Diagnostic System Check - Engine Electrical in Engine Electrical

PCM

P0601

Diagnostic System Check - Engine Controls in the G Van Service Manual

Diagnostic System Check - Alternative Fuels (Engine Controls) in the Bi-Fuel Supplement

PCM, AF ECM

P0602

Diagnostic System Check - Engine Controls

PCM

P0706

Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges, and Console

PCM, IPC

P0711

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0712

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0713

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0716

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0717

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0719

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0724

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0730

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0740

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0741

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0742

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0748

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0751

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0752

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0753

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0756

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0757

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0758

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P0785

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P1111

Diagnostic System Check - Engine Controls

PCM

P1112

Diagnostic System Check - Engine Controls

PCM

P1114

Diagnostic System Check - Engine Controls

PCM

P1115

Diagnostic System Check - Engine Controls

PCM

P1121

Diagnostic System Check - Engine Controls

PCM

P1122

Diagnostic System Check - Engine Controls

PCM

P1133

Diagnostic System Check - Engine Controls

PCM¹

P1134

Diagnostic System Check - Engine Controls

PCM¹

P1153

Diagnostic System Check - Engine Controls

PCM¹

P1154

Diagnostic System Check - Engine Controls

PCM¹

P1215

Diagnostic System Check - Engine Controls

AF ECM

P1258

Diagnostic Starting Point - Engine Cooling in Engine Cooling

PCM

P1336

Diagnostic System Check - Engine Controls

PCM

P1345

Diagnostic System Check - Engine Controls

PCM

P1380

Diagnostic System Check - Engine Controls

PCM

P1381

Diagnostic System Check - Engine Controls

PCM

P1404

Diagnostic System Check - Engine Controls

PCM

P1415

Diagnostic System Check - Engine Controls

PCM

P1416

Diagnostic System Check - Engine Controls

PCM

P1432

Diagnostic System Check - Alternative Fuels (Engine Controls)

AF ECM

P1433

Diagnostic System Check - Alternative Fuels (Engine Controls)

AF ECM

P1441

Diagnostic System Check - Engine Controls

PCM¹

P1504

Diagnostic System Check - Engine Controls

PCM

P1635

Diagnostic System Check - Engine Controls

PCM

P1637

Diagnostic System Check - Engine Controls

PCM

P1638

Diagnostic System Check - Engine Controls

PCM

P1639

Diagnostic System Check - Engine Controls

PCM

P1665

Diagnostic System Check - Engine Controls

PCM

P1683

Diagnostic System Check - Engine Controls

PCM

P1810

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P1860

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P1870

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

P1875

Powertrain On Board Diagnostic (OBD) System Check - Automatic Transmission in Automatic Transmission

PCM

Unless otherwise noted all AF ECM DTCs test only during Alternative Fuel operation.

¹Only tests during gasoline operation.

²Tests during gasoline operation only after an initial failure during Alternative Fuels operation.