PACCAR PX-6 CM2150 (2007-09) Fault Code: 779 PID: SID 051 SPN: 703 FMI: 11 Auxiliary Equipment Sensor Input 3 - Root Cause Not Known

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.

This fault code is activated when the pressure or temperature input from the OEM sensor exceeds the engine protection limit defined by the OEM. An engine power derate is possible, depending on the OEM application.

Possible repairs:

1)Replace the OEM harness.
2)If necessary, recalibrate the ECM.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 778 PID: SID 064 SPN: 723 FMI: 2 Engine Camshaft Speed/Position - Data Erratic, Intermittent, or Incorrect. The ECM has detected an error in the camshaft position sensor signal.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 731 PID: SID 064 SPN: 723 FMI: 7 Engine Speed/Position Camshaft and Crankshaft Misalignment - Mechanical System Not Responding Properly or Out of Adjustment. Engine position signal from the engine speed sensor and camshaft position sensor do not match.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 698 PID: 21 SPN: 1136 FMI: 4 ECM Internal Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage or an open circuit detected at the internal ECM temperature sensor.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 692 PID: 692 SPN: 1172 FMI: 4 Turbocharger 1 Compressor Inlet Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the turbocharger compressor inlet air temperature sensor circuit.

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