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Home >> Chevrolet >> 2011 >> Chevy Express G2500, Van Cargo Extended, 6.6 L >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Lighting System) >> Diagnostic Information and Procedures >> Symptoms - Lighting >> Notes

Symptoms - Lighting: Notes

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NOTE: The following steps must be completed before doing the Symptom tables.
  1. Perform the Diagnostic System Check - Vehicle .
    • No DTCs are 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:
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