DTC P202B-13: Reductant Tank Heater Control Circuit Low - Circuit open: Action
WARNING: This page is about a different car, the 2018 Jaguar XF and 2017 Jaguar XF. 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
- Prioritised 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