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 DEF back flow pump for open circuit
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control module cavity
- Circuit reference RAPP
- Monitor Description
- Diesel exhaust fluid tank module - DEF back flow pump circuit open circuit, high resistance
- 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 - DEF back flow pump
- Connector is disconnected, connector pin is backed out, connector pin corrosion