Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Purpose of the DTC
- To monitor DEF injector circuit for open circuit
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control Module Signal Name
- Circuit reference RAMV_L
- Circuit reference RAMV_H
- Monitor Description
- DEF injector 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 injector circuit open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Diesel exhaust fluid injector failure