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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1031 (Transfer Case - Mp 3023/3024-NQH) >> Diagnostic Information and Procedures >> Symptoms - Transfer Case >> Notes

Symptoms - Transfer Case: Notes

WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
  • Perform the Diagnostic System Check - Vehicle before using the symptom tables in order to verify the following statements are true:
    • There are no diagnostic trouble codes (DTCs) set.
    • The control modules can communicate via the serial data link.
  • Review the system operation in order to familiarize yourself with the system functions. Refer to Transfer Case Description and Operation .