U0405-86: Invalid Data Received From Cruise Control Module - Signal invalid: Action
- Vehicle Conditions to Enable DTC Logging Strategy
- Turn ignition on and wait for a few seconds. Active cruise control is not required
- Check cruise control module for related Diagnostic Trouble Code(s) and refer to relevant DTC index
- Check communications bus network for related Diagnostic Trouble Code(s) and refer to relevant DTC index
- Check cruise control buttons are not jammed/contaminated/damaged. Inspect connectors for signs of water ingress and pins for damage and/or corrosion
- Refer to the electrical circuit diagrams and check cruise control module power and ground circuits for short circuit to ground, circuit short circuit to power
- Using the Jaguar Land Rover approved diagnostic equipment, perform a CAN network integrity test
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest