Conditions For Setting DTC P1875
WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 GMC Sierra, 2002 Chevrolet Suburban, and 2002 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC will set if all conditions for running the DTC are met, and one of the following conditions occur:
- The 4WD Low circuit is closed (grounded) for more than 7 seconds with a transfer case ratio of .95-1.05:1, for one occurrence.
- The 4WD Low circuit is open for 2 seconds, with a transfer case ratio of 2.68-2.76:1 in 2 different commanded gears for 2 occurrences.