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Auxiliary Pressure Sensor Input 1 Circuit – Voltage Below Normal, or Shorted to Low Source
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 298 PID: P223 SPN: 1388 FMI: 4 LAMP: Amber SRT: |
Auxiliary Pressure Sensor Input 1 Circuit – Voltage Below Normal, or Shorted to Low Source. Low signal voltage or open circuit detected at the OEM pressure circuit. |
None on performance. |
 Auxiliary Pressure Sensor Input One Circuit
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Circuit Description
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.
Component Location
The OEM pressure sensor input will vary depending on application. Refer to the OEM troubleshooting manual for sensor location.
Shop Talk
Possible causes of this fault code include:
- Signal circuit open or shorted to ground in the OEM harness or sensor.
- Supply line open or shorted to ground.
Refer to Troubleshooting Fault Code t05-298
Last Modified: 08-Jul-2010
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