GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Modules

B0827

DTC B0827

BCM

B0828

DTC B0828

BCM

B2745

DTC B2745

BCM

C0035

DTC C0035

EBCM

C0040

DTC C0040

EBCM

C0055

DTC C0055

EBCM, PCM

C0110

DTC C0110

EBCM

C0191

DTC C0191

EBCM

C0201

DTC C0201

EBCM

C0220

DTC C0220-C0229

EBCM

C0221

DTC C0220-C0229

EBCM

C0222

DTC C0220-C0229

EBCM

C0240

DTC C0240 or P0856

EBCM, PCM

C0244

DTC C0244 or P1689

EBCM, PCM

C0245

DTC C0245

EBCM, PCM

C0268

DTC C0267 or C0268 and C067 or C068

EBCM, PCM, TCSCM, BCM, IPC

C0550

DTC C0550

EBCM

C0569

DTC C0569

EBCM

C0899

DTC C0899

EBCM

C0900

DTC C0900

EBCM

P0856

DTC C0240 or P0856

EBCM, PCM

U1000

DTC U1000 and U1255 in Data Link Communications

EBCM

U1064

DTC U1001-U1254 in Data Link Communications

EBCM

U1300

DTC U1300, U1301, or U1305 in Data Link Communications

EBCM