Possible Causes
WARNING: This page is about a different car, the 2018 Jaguar XF and 2017 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Purpose of the DTC
- Circuit check of post selective catalytic reduction NOx sensor
- Electrical Cause
- Yes
- Mechanical Cause
- Yes
- Control Module Signal Name
- Circuit reference CAN_L_3
- Circuit reference CAN_3_H
- Monitor Description
- Post selective catalytic reduction NOx sensor circuit open circuit, high resistance
- Prioritised 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
- Post selective catalytic reduction NOx sensor circuit open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Post selective catalytic reduction NOx sensor failure