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
- Feedback check of post selective catalytic reduction NOx sensor
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control module cavity
- Circuit reference CAN_L_3
- Circuit reference CAN_3_H
- Monitor Description
- Post selective catalytic reduction NOx sensor delivers unplausible signal under steady state
- Prioritized List of Possible Causes
- Post 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
- Post selective catalytic reduction NOx sensor failure