GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B1327

DTC B1327

CCP, DDM, DIM, HUD, IRC, IPM, MSM, ONS, PHN, RFA, RIM

B1513

DTC B1513

IPC

B1514

DTC B1514

IPC

P0560

DTC P0560

PCM

P0620

DTC P0620

PCM