GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B1000

DTC B1000

BCM, SDM

B1013

DTC B1013

BCM

B1334

DTC B1334

BCM

B1339

DTC B1339

BCM

B1354

DTC B1354

BCM

B1422

DTC B1422

BCM