DTC P202B-13: Reductant Tank Heater Control Circuit Low - Circuit open: 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
- DEF heater on
- Prioritized Checks to Perform
- Refer to the appropriate system wiring diagrams and check the diesel exhaust fluid heater control unit circuit for open circuit, high resistance
- Refer to the appropriate system wiring diagrams and check the CAN communication diesel exhaust fluid tank module - DEF heater controller circuit for open circuit, high resistance
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check and install a new diesel exhaust fluid heater control unit as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest