Engine Electrical Symptoms: Notes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The following steps must be completed before using the symptom tables.

Perform Diagnostic System Check - Engine Electrical before using the Symptom Tables in order to verify that all of the following are true:
- There are no DTCs set.
- The control module(s) can communicate via the serial data link.
Review the system operation in order to familiarize yourself with the system functions. Refer to one of the following system operations:
- STARTER DESCRIPTION & OPERATION
- CHARGING SYSTEM DESCRIPTION & OPERATION