DTC P0634-68: Control Module Internal Temperature A Too High - Event information: Action
WARNING: This page is about a different car, the 2018 Jaguar XF, 2017 Jaguar XF, and 2016 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- This DTC is set when the transfer case control module internal temperature exceeds the maximum threshold.
- This DTC may be induced by prolonged driving on a poor traction surface.
- Check the transfer case control module cooling airflow for obstructions (mud packing, etc). Rectify as necessary
- Check the exhaust system for damage. Rectify as necessary
- Allow the system temperature to return to normal. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and perform routine - On Demand Self Test. If the fault persists, install a new transfer case control module