DTC P0602-08: Control Module Programming Error - Bus Signal/Message failures: Action
WARNING: This page is about a different car, the 2018 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the electrical circuit diagrams and check connections are secure and wiring integrity
- Using the manufacturer approved diagnostic system check and install latest relevant level of software to the engine control module, clear the DTC and retest the system
- Refer to the electrical circuit diagrams and check the engine control module ground, power circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Check and install a new engine control module, only when diagnosed as failed