Possible Causes
- Purpose of the DTC
- To monitor diesel exhaust fluid relay
- Electrical Cause
- Mechanical Cause
- Control Module Signal Name
- Circuit reference SCRMRLY
- Monitor Description
- Diesel exhaust fluid relay short circuit open circuit, high resistance
- Prioritised 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 short circuit to ground, short circuit to power, open circuit, high resistance
- Diesel exhaust fluid relay 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 relay failure