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Home >> GMC Truck >> 2001 >> K 2500 Yukon XL 4WD V8-6.0L VIN U >> Repair and Diagnosis >> Transmission and Drivetrain >> Transfer Case >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> NVG 263-NP1 (Selectable) Transfer Case >> Service Indicator Inoperative

Service Indicator Inoperative



Service Indicator Inoperative





Test 1-4

Test Description
The number below refers to the step number on the diagnostic table.
2. Determines whether the failure is the result of a faulty transfer case shift control module or the instrument cluster.


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