Auxiliary Pressure Sensor Input 1 Circuit – Voltage Above Normal, or Shorted to High Source
|Fault Code: 297
Auxiliary Pressure Sensor Input 1 Circuit – Voltage Above Normal, or Shorted to High Source. High signal voltage detected at the OEM pressure circuit.
None on performance.
Auxiliary Pressure Sensor Input One Circuit
The OEM has the option of wiring a pressure sensor input to the Cummins ECM. A specific calibration is then created to recognize this pressure sensor input.
The OEM pressure sensor input will vary depending on application. Refer to the OEM troubleshooting manual for sensor location.
Possible causes of this fault code include:
- Open return circuit in the harness, connectors, or sensor.
- signal circuit shorted to sensor supply or battery voltage.