DTC P20BA-18: Reductant Heater "A" Control Circuit Performance - Circuit current below threshold: Action
WARNING: This page is about a different variant/trim than selected.
- 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 line heater 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
- Check and install a new diesel exhaust fluid line heater as required
- Using the Jaguar Land Rover Approved Diagnostic Equipment, clear the DTCs and retest