GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module

B1000

DTC B1000

Digital Radio Receiver, IPM, Radio, RCDLR, SDM, VCIM

B1004

DTC B1004

Audio Amplifier, Cellular Telephone Module, IPC, IPM, Radio, VCIM

B1007

DTC B1007

Audio Amplifier, Cellular Telephone Module, DDM, DDSA, DIM, IPC, LMDM, LRDM, MSM, FPDM, HVAC Control Module-Auxiliary, Radio, RCDLR, RIM, RMDM, RRDM, Steering Column Module

B1009

DTC B1009

Audio Amplifier, Cellular Telephone Module, DDM, DDSA, DIM, HVAC Control Module-Auxiliary, IPC, LMDM, LRDM, MSM, FPDM, Radio, RIM, RMDM, RRDM, Steering Column Module, Theft Deterrent Control Module, VCIM

B1013

DTC B1013

IPM

B1014

DTC B1014

IPM

B1390

DTC B1390

DIM

B1422

DTC B1422

DIM

B1556

DTC B1556

IPC

C0550

DTC C0550

ESC