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 monitor diesel exhaust fluid tank module - output from the ECM to DEF pump control for open circuit
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control Module Cavity
- Circuit reference RAPM
- Monitor Description
- Diesel exhaust fluid tank module - output from the ECM to DEF pump control open circuit
- 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
- Diesel exhaust fluid tank module circuit open circuit, high resistance - output from the ECM to DEF pump control
- Connector is disconnected, connector pin is backed out, connector pin corrosion