JEEP · 2026-08-05
AWD Drivetrain Control Module (DTCM) Reconfiguration Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C0094-4B - 4WD/AWD Rear Differential Unit Temperature Sensor-over Temperature. ● C149B-98 - RDM-Component Or System Over Temperature. Customers may also experience one or more of the following: ● Poor AWD performance. ● 4WD Light illumination. This bulletin involves reconfiguring the DTCM.