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
- Circuit 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 circuit open circuit, high resistance
- Prioritized List of Possible Causes
- The powertrain control module has determined an open circuit via lack of bias voltage, low current flow, no change in the state of an input in response to an output
- Pre selective catalytic reduction NOx sensor circuit open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Pre selective catalytic reduction NOx sensor failure