GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Modules

B1327

DTC B1327

AMP, DDS, DDM, DIM, CCP, IPC, IRC, RIM, RFA, ONS, SIR, TVM

B1328

DTC B1328

AMPU, IPC, SIR

B1513

DTC B1513

IPC

B1514

DTC B1514

IPC

P0560

DTC P0560

ECM/PCM

P0562

DTC P0562

ECM/PCM

P0563

DTC P0563

ECM/PCM

P0615

DTC P0615

ECM/PCM

P0616

DTC P0616

ECM/PCM

P0617

DTC P0617

ECM/PCM

P0622

DTC P0622

PCM (LS6)

P0625

DTC P0625

ECM

P0626

DTC P0626

ECM

P1637

DTC P1637

PCM (LS6)

P1668

DTC P1668

ECM (LY7)

P2500

DTC P2500

ECM

P2501

DTC P2501

ECM