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
- To check CAN communication between powertrain control module and 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
- Communication error between powertrain control module and pre selective catalytic reduction NOx sensor
- Prioritised List of Possible Causes
- The powertrain control module has not received the expected CAN signal from the pre selective catalytic reduction NOx sensor/diesel sub net CAN within the specified time interval
- Pre and post NOx sensor connectors are crossed
- Pre selective catalytic reduction NOx sensor/diesel sub net CAN circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion