Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2014 GMC Yukon XL 1500, 2014 GMC Yukon, 2014 Chevrolet Tahoe, and 2014 Chevrolet Suburban 1500. However, it is still accessible from the selected car via links, so may be relevant.
C0321 01 and C0321 04
- Shifts allowed. Clutch engages only if slip is detected.
- The SERVICE 4WD indicator remains illuminated for the remainder of the current ignition cycle.
C0321 02 and C0321 08
- Normal operation.
- The SERVICE 4WD indicator remains illuminated for the remainder of the current ignition cycle.