Problem Reports

GMC Yukon XL 2500

Report: 4WD Transfer Case Position Sensor/Selector Switch May Fail

GMC Yukon XL 2500 Problem

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Model Years Affected: 2000, 2001, 2002, 2003, 2004, 2005

Average Mileage: 89,000 mi (68,000 mi - 110,000 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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Visitor, 2005 GMC Yukon XL 2500, 68,000 mi

The first time this happened, I resoldered the connections on the switch and it worked another two years. Then at the next failure, I replaced the switch. Not hard to do either.

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Visitor, 2005 GMC Yukon XL 2500, 68,000 mi

The first time this happened, I resoldered the connections on the switch and it worked another two years. Then at the next failure, I replaced the switch. Not hard to do either.

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