GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

CXXXX

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

EBCM

P0522

DTC P0522

PCM

P0523

DTC P0523

PCM

P0608

DTC P0608

PCM

PXXXX

Refer to Diagnostic Trouble Code (DTC) List in Engine Controls - 8.1L

PCM