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Symptoms - Lighting Systems: Notes

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Complete the following steps before using the symptom tables.
  1. Perform Diagnostic System Check - Lighting Systems  before using the Symptom Tables in order to verify that all of the following are true:
    • No DTCs are set.
    • The control module can communicate via the serial data link.
  2. Review the system operation in order to familiarize yourself with the system functions. Refer to Exterior Lighting Systems Description and Operation  and Interior Lighting Systems Description and Operation .
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