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PACCAR PX-6 CM2150 (2007-09) Fault Code: 2272 PID: 27 SPN: 27 FMI: 4 EGR Valve Position Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage has been detected at the EGR valve position sensor circuit.
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, calibrate the ECM. Use the corresponding Troubleshooting and Repair Manual for the engine being serviced.
Possible causes:
1)EGR valve position sensor wiring shorted to ground, open circuit, or shorted to power supply
2)Loss of the EGR valve position sensor supply voltage or the ground circuit.
3)Fuel Injector wiring harness shorted to ground, open circuit, or shorted to power supply.
Possible repairs:
1)Replace the ECM.
2)Replace the engine harness.
3)Replace the EGR valve motor.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 2266 PID: SID 126 SPN: 1075 FMI: 4 Electric Lift Pump for Engine Fuel Supply Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the fuel lift pump circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 2265 PID: SID 126 SPN: 1075 FMI: 3 Electric Lift Pump for Engine Fuel Supply Circuit – Voltage Above Normal or Shorted to High Source. High voltage or open detected at the fuel lift pump signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 2198 PID: SID 027 SPN: 641 FMI: 11 VGT Actuator Driver Circuit – Root Cause Not Known. Intermittent communication between the smart VGT controller and the ECM has been detected. The VGT controller is not interpreting the J1939 message from the ECM correctly.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 2195 PID: SID 51 SPN: 703 FMI: 14 Auxiliary Equipment Sensor Input 3 Engine Protection Critical – Special Instructions. The emergency door of the vehicle has been detected open.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 2186 PID: SID 232 SPN: 3512 FMI: 4 Sensor Supply 4 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at the +5 volt sensor supply circuit to the accelerator pedal position sensor.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 2185 PID: SID 232 SPN: 3512 FMI: 3 Sensor Supply 4 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at +5 volt sensor supply circuit to the accelerator pedal position sensor.