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Home >> GMC >> 2003 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 645 (Hybrid Controls - 3.6L (Hp5) - Troubleshooting & Diagnosis) >> Symptoms - Hybrid Controls >> Notes

Symptoms - Hybrid Controls: Notes

WARNING: This page is about a different car, the 2009 Saturn Vue. 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.
  1. Perform the Diagnostic System Check - Vehicle before using the symptom tables in order to verify that all of the following are true:
    • There are no DTCs set.
    • The control modules can communicate via the serial data link.
  2. Review the system operation in order to familiarize yourself with the system functions.

    Refer to the following procedures: