Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2017 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P0128 is a Type B DTC.
- The Engine Coolant Temperature Gauge is inoperative.
- The A/C is commanded OFF and inoperative.
- The Cooling Fans are commanded ON.