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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Transfer Case - NVG 246-NP8 - Service & Diagnosis) >> Diagnostic Information and Procedures >> Symptoms - Transfer Case >> Notes

Symptoms - Transfer Case: Notes

WARNING: This page is about a different variant/trim than selected.
IMPORTANT:
  • Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information before using the symptom tables in order to verify that the following statements are true:
    • There are no diagnostic trouble codes (DTCs) set.
    • The control module or 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 .
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