2013 Chevrolet Silverado 2500 HD Problem Reports

Most Reported 2013 Chevrolet Silverado 2500 HD Problem Reports

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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.