GM Service Manual Online
For 1990-2009 cars only

DTC

Diagnostic Procedure

Module(s)

P0480

DTC P0480

PCM

P0483

DTC P0483 or P0493

PCM

P0493

DTC P0483 or P0493

PCM

P0495

DTC P0495

PCM

P0526

DTC P0526

PCM

P1258

DTC P1258

PCM

P1481

DTC P1481

PCM

P1482

DTC P1482

PCM

P1484

DTC P1484

PCM