GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B0160

DTC B0160

DIC

B0162

DTC B0162

DIC

B0931

DTC B0931

DIC

B1000

DTC B1000 in Body Control System

DIC

B1440

DTC B1440

IPC

B2823

DTC B2823 or B3574

IPC

BXXXX

Refer to Diagnostic Trouble Code (DTC) List in SIR.

SDM

CXXXX

Refer to Diagnostic Trouble Code (DTC) List in Antilock Brake System.

EBCM

P0462

DTC P0462

PCM

P0463

DTC P0463

PCM

P0502

DTC P0502 in Automatic Transmission

PCM

P0503

DTC P0503 in Automatic Transmission

PCM

P0520

DTC P0520

IPC

PXXXX

PXXXX, PCM DTCs

Refer to Diagnostic Trouble Code (DTC) List in Engine Controls

PCM

UXXXX

For all U codes refer to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

PK3, DIC, EBCM, IPC, PCM, Radio, SDM