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 heater control unit
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control Module Cavity
- Not applicable
- Monitor Description
- Diesel exhaust fluid heater control unit current too high
- Prioritized List of Possible Causes
- The powertrain control module has measured current flow above a specified range
- Diesel exhaust fluid heater control unit circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Diesel exhaust fluid heater control unit failure