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PACCAR PX-8 CM2150 (2007-09) Fault Code: 293 PID: 441 SPN: 441 FMI: 3 Auxiliary Temperature Sensor Input 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage or open circuit detected at the OEM auxiliary temperature 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, recalibrate the ECM.
Possible causes:
1)Open return circuit in the harness, connectors, or sensor
2)Open signal circuit or shorted to a voltage source.
Possible repairs:
1)Refer to the OEM service manual for additional specifications.
2)Replace the OEM temperature sensor.
3)Repair or replace the OEM harness.
4)Replace the ECM.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 292 PID: 441 SPN: 441 FMI: 14 Auxiliary Temperature Sensor Input 1 – Special Instructions.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 288 PID: 372 SPN: 974 FMI: 2 AE J1939 Multiplexing Remote Accelerator Pedal or Lever Position Sensor System – Received Network Data In Error. The OEM vehicle electronic control unit (VECU) detected a fault with the remote accelerator.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 287 PID: 91 SPN: 91 FMI: 2 E J1939 Multiplexed Accelerator Pedal or Lever Sensor System – Received Network Data In Error. The OEM vehicle electronic control unit (VECU) detected a fault with its accelerator pedal.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 286 PID: SID 231 SPN: 639 FMI: 13 SAE J1939 Multiplexing Configuration Error – Out of Calibration. The ECM expected information from a multiplexed device but only received a portion of the necessary information.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 285 PID: SID 231 SPN: 639 FMI: 9 SAE J1939 Multiplexing PGN Timeout Error – Abnormal Update Rate. The ECM expected information from a multiplexed device but did not receive it soon enough or did not receive it at all.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 281 PID: SID 126 SPN: 1347 FMI: 7 Fuel Pump Pressurizing Assembly 1 – Mechanical System Not Responding Properly or Out of Adjustment