GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B2818

DTC B2818 in Tire Pressure Monitoring

IPC

B2823

DTC B2823-B3574

IPC

B2838

DTC B2823-B3574

IPC

B2843

DTC B2823-B3574

IPC

B3564

DTC B2823-B3574

IPC

B3569

DTC B2823-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 Transaxle

PCM

P0503

DTC P0503 in Automatic Transaxle

PCM

P0522

DTC P0522

PCM

P0523

DTC P0523

PCM

P1819

DTC P1819 in Automatic Transaxle

PCM

P1820

DTC P1820 in Automatic Transaxle

PCM

P1822

DTC P1822 in Automatic Transaxle

PCM

P1823

DTC P1823 in Automatic Transaxle

PCM

P1825

DTC P1825 in Automatic Transaxle

PCM

P1826

DTC P1826 in Automatic Transaxle

PCM

PXXXX

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

PCM

U1450

DTC U1450

IPC