DTC P20B9-13: Reductant Heater "A" Control Circuit/Open - Circuit open: Action
WARNING: This page is about a different car, the 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
- Vehicle Conditions to Enable DTC Logging Strategy
- Engine running
- Prioritized Checks to Perform
- Refer to the electrical circuit diagrams and check the diesel exhaust fluid line heater circuit for open circuit, high resistance
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Install a new diesel exhaust fluid line heater, only when diagnosed as failed
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest