DTC U0427-51: Invalid Data Received From Vehicle Security Control Module - Not programmed: Action
- Prioritized steps to perform:
- Check battery charge and condition. Record values
- Read all DTCs and investigate any DTCs relating to battery voltage supply
- Using the Jaguar Land Rover approved diagnostic equipment, reconfigure the transmission control module with the latest level software
- Clear DTCs and retest
- If the fault persists, raise a Technical Assist (TA) for further support