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
- Functional post selective catalyst reduction soot sensor monitoring, component protection
- Electrical Cause
- Yes
- Mechanical Cause
- Yes
- 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
- Monitoring of the dynamic meander temperature for plausibility
- Prioritised List of Possible Causes
- Post selective catalyst reduction soot sensor incorrectly installed
- 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 failure
- DPF outlet temperature sensor circuit short circuit to ground, short circuit to power, open circuit, high resistance
- SCR catalyst blocked
- Exhaust system mechanical integrity