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Symptoms - Hybrid Controls: Notes

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:

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

  1. Perform the Diagnostic System Check - Vehicle (with HP2) , Diagnostic System Check - Vehicle (without HP2) 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:

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