Car Problem Reports

GMC Sierra 2500 HD 4WD Transfer Case Position Sensor/Selector Switch May Fail

 
GMC Sierra 2500 HD Problem
11 Reports
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Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2008

Drive Trains Affected: 4WD, 5 Speed Transmission, 4WD, 6 Speed Transmission

Average Mileage: 129,083 mi (91,000 mi - 194,291 mi)

Verified

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.

  • Visitor, , 4WD, 6 Speed Transmission, 91,625 mi

    the 4 wheel drive works but every now and then the service 4 wheel drive light comes on. Is it easy to fix and how expensive is it

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  • Visitor, , 91,000 mi

    Light just came on while in 4WD.

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  • Visitor, , 194,291 mi

    4 by 4 switch will not engage, when truck is started n appears on switch then shuts off, display says service 4 wheel drive, when put into gear a rough jerking motion starts and truck seems to not want to shift up and in reverse truck will suddenly come to a lock stop and not want to back up anymore

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  • Visitor, , 165,000 mi

    Same above.

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