GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

P0560

DTC P0560

PCM

P0562

DTC P0562

PCM

P0563

DTC P0563

PCM

P0615

DTC P0615

PCM

P0620

DTC P0620

PCM

P1637

DTC P1637

PCM