Car Problem Reports

GMC Yukon 4WD Transfer Case Position Sensor/Selector Switch May Fail

 
GMC Yukon Problem
13 Reports
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Model Years Affected: 2000, 2001, 2002, 2003, 2004, 2005

Drive Train Affected: 4WD

Average Mileage: 110,666 mi (70,000 mi - 150,000 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, 90,000 mi

    have replaced parts front axle 2times transfer case encoder buttons transfer was out and checked out by a award winning GM tec at dealer . No codes front end locks in encoder goes in In 2wheel front drive shaft turns easy. In auto vary little pressure cane turn it In 4 wheel the drive shaft can still be turned . This has been going on now for years . Encoders modulators buttons even the transfer. Case apart more then I can remember I have checked fuses replaced every control part for the 4 x 4 I anyone can tell me what to do ?? please it's not any part replacement

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  • Visitor, , 4WD, 100,000 mi

    Light comes on when driving. Sometimes it stays on sometimes it goes out.

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  • Visitor, , 4WD, 70,000 mi

    automatically switches from 2hi to auto4 to 4hi etc. turn car off, restart, reposition sensor button to 2hi

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