GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B1327

DTC B1327

VTD

B1328

DTC B1328

BCM

P0560

DTC P0560

PCM

P0562

DTC P0562

ECM

P0563

DTC P0563

ECM

P0615

DTC P0615

ECM

P0616

DTC P0616

ECM

P0617

DTC P0617

ECM

P0620

DTC P0620

PCM

P0625

DTC P0625

ECM

P0626

DTC P0626

ECM

P1688

DTC P1668

ECM