Possible Causes
- Purpose of the DTC
- To monitor for over pressure (slow)
- Electrical Cause
- Mechanical Cause
- Control Module Signal Name
- Monitor Description
- If modeled pressure rises above 8, 5 bar system is purged and pressure is built up again. If this happens 5 times during driving cycle error is set
- Prioritized List of Possible Causes
- The powertrain control module has determined failures where some circuit quantity, reported via serial data, is below a specified range
- Diesel exhaust fluid line frozen/blocked
- Diesel exhaust fluid line heater frozen
- Diesel exhaust fluid injector frozen/blocked
- Diesel exhaust fluid tank module frozen