Possible Causes
WARNING: This page is about a different variant/trim than selected.
- Purpose of the Diagnostic Trouble Code(s)
- Monitoring of the rail pressure governor deviation for rail pressure too low
- Electrical Cause
- Yes
- Mechanical Cause
- Yes
- Control module cavity
- Circuit reference O_T_MEU
- Circuit reference O_T_PCV
- Monitor Description
- Positive rail pressure governor deviation is above a threshold and desired fuel feed volume above a threshold
- The powertrain control module measured a signal voltage below a specified range but not necessarily a short circuit to ground, gain low
- Other fuel pressure related Diagnostic Trouble Code(s)
- Blocked fuel filter
- Low pressure fuel system leaks or blockage
- Fuel rail pressure sensor circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Fuel rail pressure sensor failure
- Fuel volume control valve failure