Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Purpose of the DTC
- To monitor diesel exhaust fluid heater control unit
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control Module Cavity
- Circuit reference B_D_CANH3
- Circuit reference B_D_CANL3
- Monitor Description
- Diesel exhaust fluid heater control unit non volatile memory error
- Prioritised List of Possible Causes
- The powertrain control module monitored a parameter over time within specified limits and detected more than the expected number of transitions
- 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