DTC P0116-23: Engine Coolant Temperature Sensor 1 Circuit Range/Performance - Signal stuck low: Action
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2014 Land Rover Range Rover, and 2013 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Leave vehicle turned off for a minimum of 8 hours and allow to soak to a stable temperature. Using the Jaguar Land Rover approved diagnostic equipment, check datalogger signals - Ambient Air Temperature (0xF446) - Engine Coolant Temperature (0xF405) - Boost Air Temperature Raw Physical Value (0x0341) - Intake Air Temperature (0xF40F) - Engine Coolant Temperature #2 (0x0489). All sensors should be within 20°C of each other
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Refer to the appropriate system wiring diagram and check connections are secure and wiring integrity
- Check and install a new sensor that is biased higher or lower than the other sensors
- Check and install a new a changeover valve - Fuel Fired Booster Heater (FFBH) system