DTC 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 speed control module for related DTCs and refer to the relevant DTC index
- Check communications bus network for related DTCs and refer to the relevant DTC index
- Check speed control buttons are not jammed/contaminated/damaged. Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Refer to the appropriate system wiring diagrams and check speed 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 all stored DTCs and retest