GM Service Manual Online
For 1990-2009 cars only

Description

Module

DTC B1438 IPC High Voltage Output Overcurrent to IPM

IPC

DTC B2556 Interior Lamp Rheostat Circuit Range

IPM

DTC B2641 Delayed Exterior Lighting Ctrl CKT Range

IPM

DTC B2646 Ambient Light Sensor Circuit Range

IPM