Possible Causes
WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, and 2016 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Purpose of the DTC
- Heater performance check of pre selective catalytic reduction NOx sensor
- Electrical Cause
- Yes
- Mechanical Cause
- Yes
- Control Module Cavity
- Circuit reference CAN_L_3
- Circuit reference CAN_3_H
- Monitor Description
- Pre selective catalytic reduction NOx sensor heater unavailable
- Pre selective catalytic reduction NOx sensor heater is not able to reach temperature
- Prioritized List of Possible Causes
- Pre selective catalytic reduction NOx sensor circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Pre selective catalytic reduction NOx sensor failure