DTC P21C5-64: Reductant Level Sensor "A" Stuck - Signal plausibility failure: Action
WARNING: This page is about a different variant/trim than selected.
NOTE:
Diesel exhaust fluid level sensor is initialized 12 seconds after Ignition ON
- Vehicle Conditions to enable DTC Logging Strategy
- DEF system pressurized
- Prioritized Checks to Perform
- Refer to the appropriate system wiring diagrams and check the diesel exhaust fluid tank module 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
- Contact dealer technical support
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest