DTC U3000-4B: Control Module - Over temperature: Action
NOTE:
This DTC may log due to operating the vehicle in high ambient temperatures, or excessive use of the Rear Drive Unit B (RDU-B) in extreme conditions
- If available Using the Jaguar Land Rover approved diagnostic equipment, select one of the following guided diagnostic concern areas below, or select the guided diagnostic using the available tab
- Powertrain - Transmission and Driveline - Loss Of Traction
- Warning - Messages - 2 wheel drive only - traction reduced
- Check for any other rear drive unit circuit DTCs and repair these first. Clear the DTCs and retest
- Using the Jaguar Land Rover approved diagnostic equipment, read datalogger signal - ECU Internal Temperature (0xD117). If the temperature is above 60°C Allow the vehicle to cool. Clear the DTCs and retest
- If the fault persists, using the Jaguar Land Rover approved diagnostic equipment run application - ECU stress - to replicate the issue
- Start the engine. If the fault persists, check and install a new all wheel drive control module and re-run application - ECU stress