Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Condition 1
- The 4WD low switch is not in 4WD low, open/12 volts.
- The Transfer Case Ratio is 2.64-2.9 for 2 seconds.
- Both conditions must be met twice.
Condition 2
- The 4WD low switch is in 4WD low.
- The Transfer Case Ratio is 0.8-1.75 for 2 seconds.