Car Problem Reports

Chevrolet Avalanche 2500 4WD Transfer Case Position Sensor/Selector Switch May Fail

Chevrolet Avalanche 2500 Problem
13 Reports
Me Too

Model Years Affected: 2002, 2003, 2004, 2005

Drive Train Affected: 4WD

Average Mileage: 130,857 mi (95,000 mi - 180,000 mi)


The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.

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