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PACCAR PX-6 CM2150 (2007-09) Fault Code: 1664 PID: SPN: 3050 FMI: 11 Catalyst Missing – Condition Exists. The aftertreatment catalyst in the exhaust system is not present.
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 becomes active when the aftertreatment diesel oxidation catalyst inlet and aftertreatment diesel particulate filter inlet temperature sensors do not detect the presence of a catalyst in the aftertreatment system.
Possible causes:
1)Tampering with the catalyst system
2)Removing the catalyst system from the vehicle
3)A damaged catalyst.
Possible repairs:
1)Install the proper diesel oxidation catalyst for the application.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 1663 PID: SPN: 3241 FMI: 11 Catalyst Inlet Temperature Sensor Swapped with Outlet – Condition Exists. The inlet and outlet catalyst temperature sensor connections are swapped.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 1242 PID: 91 SPN: 91 FMI: 2 Accelerator Pedal or Lever Position Sensor 1 and 2 – Data Erratic, Intermittent, or Incorrect. Accelerator position sensor number 1 and number 2 are reading different values.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 1241 PID: None SPN: 2623 FMI: 4 Accelerator Pedal or Lever Position Sensor 2 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 2 signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 1239 PID: SPN: 2623 FMI: 3 Accelerator Pedal or Lever Position Sensor 2 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at accelerator pedal position number 2 signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 1117 PID: SID 251 SPN: 627 FMI: 2 Power Supply Lost With Ignition On – Data Erratic, Intermittent, or Incorrect. Supply voltage to the ECM fell below +6.2-VDC momentarily, or the ECM was not allowed to power down correctly (retain battery voltage for 30 seconds after
PACCAR PX-6 CM2150 (2007-09) Fault Code: 784 PID: SID 145 SPN: 1590 FMI: 2 Adaptive Cruise Control Mode – Data Erratic, Intermittent, or Incorrect. Loss of communication with adaptive cruise control.