Possible Causes
NOTE:
Circuit reference I_A_RAILPS & O_V_5VRAILPS
- The engine control module has determined failures where some circuit quantity, reported via serial data, is below a specified range
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Fuel rail pressure sensor circuit, short circuit to ground
- Fuel rail pressure sensor 5 volt power supply circuit, open circuit, high resistance
- Fuel rail pressure sensor failure