P0181-21: Fuel Temperature Sensor A Circuit Range/Performance - Signal amplitude < minimum: Action
- Vehicle Conditions to enable DTC Logging strategy
- Drive vehicle under steady-state conditions for up to 30 minutes
- Prioritized Checks to Perform
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Refer to the appropriate system wiring diagrams and check fuel temperature sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
- Check and install a new fuel temperature sensor as required