PACCAR PX-8 CM2150 (2007-09) Fault Code: 499 PID: 98 SPN: 98 FMI: 4 Engine Oil Level Sensor Circuit – Voltage Below Normal or Shorted to Low Source. The engine oil level sensor has detected an internal failure.
Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. If necessary, recalibrate the ECM.
Possible causes:
1)Open or short circuit internally to the oil level sensor
2)A malfunctioning oil level sensor.
Possible repairs:
1)Replace the oil level sensor.
2)The removal and installation of the connector may correct the problem.
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