GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B2823

DTC B2823 or B3574

IPC

B2838

DTC B2838, B3564, B3569, or B3752

DIC

B3564

DTC B2838, B3564, B3569, or B3752

DIC

B3569

DTC B2838, B3564, B3569, or B3752

DIC

B3574

DTC B2823 or B3574

IPC

B3752

DTC B2838, B3564, B3569, or B3752

DIC

BXXXX

Refer to Diagnostic Trouble Code (DTC) List in SIR

SDM

CXXXX

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

EBCM

P0461

DTC P0461

PCM

P0462

DTC P0462

PCM

P0463

DTC P0463

PCM

P0522

DTC P0522

PCM

P0523

DTC P0523

PCM

P1617

DTC P1617

PCM

PXXXX

Refer to Diagnostic Trouble Code (DTC) List in Engine Controls - 4.0L

PCM