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Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 823 (Transfer Case - Mp 3023/3024 (NQH) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Symptoms - Transfer Case >> Notes

Symptoms - Transfer Case: Notes

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. 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. Transfer Case Description and Operation
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