DTC U02A5-87: Lost Communication with Reductant Heater Control Module - Missing message: Action
- Vehicle Conditions to enable DTC Logging Strategy
- Prioritized Checks to Perform
- Refer to the appropriate System Wiring Diagram(s) 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