U0028

Diagnostic Trouble Code (DTC) Charts

Using a scan tool to retrieve DTCs, begin with and repair all non-transmission related DTCs. Start with the U-DTCs (communication link codes) and repair any transmission-related DTCs.

Limp-home mode is a default condition to protect the engine and transmission when certain faults occur.

The limp-home gear is held until the vehicle is placed in REVERSE, PARK or the vehicle has been restarted. After these action(s) the vehicle defaults to the limp-home mode of 5th gear.

DTC Chart