P0606-47 Control Module Processor - Watchdog / safety MicroController failure: Action
- This is a control module internal check DTC and is not necessarily a fault. If no other DTCs are logged and no customer complaint exists, clear DTC and retest
- Check the security of control module fixings. Check the module ground connection. Consider environmental conditions before condemning the rear differential control module
- Clear DTC and retest. If fault persists, check and install latest relevant level of software to the rear differential control module using the manufacturer approved diagnostic system. Clear DTC and retest
- If the problem persists, check and install a new rear differential control module as required