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
- Diagnostic communication to powertrain control module interrupted, component protection
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control Module Cavity
- Circuit reference CAN_L_3
- Circuit reference CAN_3_H
- Circuit reference SCRMRLY (powerfeed to post selective catalyst reduction soot sensor)
- Monitor Description
- Post selective catalyst reduction soot sensor module not connected
- Prioritised List of Possible Causes
- CAN_L_3 circuit short circuit to ground, short circuit to power, open circuit, high resistance
- CAN_3_H circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Post selective catalyst reduction soot sensor module circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Post selective catalyst reduction soot sensor blocked
- Post selective catalyst reduction soot sensor failure