DTC U02A5-87: Lost Communication with Reductant Heater Control Module - Missing message: Action
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Vehicle Conditions to enable DTC Logging Strategy
- Engine running
- Prioritised Checks to Perform
- Refer to the appropriate system wiring diagram and check the diesel exhaust fluid heater control unit/diesel sub net CAN circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest