GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

B1327

DTC B1327

PCM 3.4 L

P0560

DTC P0560

PCM 3.4 L

P0562

DTC P0562

PCM 2.2 L

P0563

DTC P0563

PCM 2.2 L

P0620

DTC P0620

PCM 3.4 L

P0621

DTC P0621

PCM 2.2 L

P0622

DTC P0622

PCM 2.2 L