2002 GMC Sierra 2500 SL 6.0L Transfer case shift
The 4WD shifting works on this truck and there is no "Service 4WD" light or any ATC codes. The problem is the transfer case will not go into neutral and when anything besides 2HI is selected that lamp button will flash. 4AUTO, 4HI, and 4LO all flash but they w...
Summary posted 4/19/2007
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Vehicle Data2002 GMC Sierra 2500 SL
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Message Closed w/Summary
Vehicle Data
2002 GMC Sierra 2500 SL
VIN | 1GTGK29U72 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Affected | Transfer Case Shift |
Conditions | No Neutral/Lights Flash |
Misc. | Lifted Truck |