GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

C0035 - C0051

DTC C0035-C0051

EBCM

C0060 - C0095

DTC C0060-C0095

EBCM

C0110

DTC C0110

EBCM

C0121

DTC C0121

EBCM

C0141-C0156

DTC C0141-C0156

EBCM

C0161

DTC C0161

EBCM

C0235-C0237

DTC C0235-C0237, C035-C037 or P1504

EBCM

C0240

DTC C0240

EBCM

C0241 or P1571

DTC C0241 or P1571

PCM

C0244 or P1689

DTC C0244 or P1689

PCM

C0245

DTC C0245

EBCM

C0550

DTC C0550

EBCM

C0896

DTC C0896

EBCM

C0450

Diagnostic System Check - Variable Effort Steering

EBCM

P1573

Diagnostic Trouble Code (DTC) List

PCM

U1001- U1254

DTC U1001-U1254

PCM

U1304

DTC U1304

EBCM