GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B1327

DTC B1327

BCM, IRC, RFA, ONS, SIR

B1981

DTC B1981

BCM, IPC

B1982

DTC B1982

ACM, BCM, IPC, IRC, MMM, MSM, PHN

B1983

DTC B1983

ACM, BCM, IPC, IRC, MMM, MSM, PHN

P0560

DTC P0560

PCM

P0562

DTC P0562

PCM

P0563

DTC P0563

PCM

P0615

DTC P0615

PCM

P0621

DTC P0621

PCM

P0622

DTC P0622

PCM