2002 GMC Sierra Service 4WD Light

Tiny
JOEL.S.HOLMES
  • MEMBER
  • 2002 GMC SIERRA
  • V8
  • 4WD
  • AUTOMATIC
  • 100,000 MILES
My GMC 2002 Sierra has the service 4WD light on. The truck moves in Auto 4WD, 4WD HI, and 4WD Lo, but will not move in 2WD HI. The truck is rarely in 4WD anything and allways in 2WD. Please Help.
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Sunday, April 4th, 2010 AT 1:44 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Have you had the computer scanned?
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Sunday, April 4th, 2010 AT 11:14 PM

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