Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. 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.