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PACCAR PX-6 CM2150 (2007-09) Fault Code: 131 PID: 91 SPN: 91 FMI: 3 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at accelerator pedal position number 1 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.

Newer engines use two throttle position sensors to determine the throttle position. Older throttle pedals used a single throttle position sensor and an idle validation switch. If Fault Codes 132 and 1241 are active when the accelerator pedal is in the idle position, and Fault Code 132 goes inactive, and Fault Code 1239 goes active when the throttle is depressed, the incorrect throttle pedal has been installed in the vehicle. A throttle pedal with two acceleration position sensors must be installed.

If troubleshooting an intermittent accelerator problem:

The accelerator pedal or lever position sensor signal voltage can be monitored with the INSITE™ electronic service tool, while flexing the harness to locate the intermittent connection.

Possible causes:

1)Accelerator pedal or lever position signal circuit shorted to battery or +5 volt supply
2)Open accelerator pedal return circuit in the harness or connections
3)Accelerator supply shorted to battery
4)Failed accelerator pedal or lever position sensor.

NOTE: The three wires in the accelerator position sensor circuit must be twisted together

Possible repairs:

1)Replace the accelerator pedal or lever.
2)The removal and installation of the connector corrected the problem.
3)Repair or replace the OEM harness.
4)Replace the ECM.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 124 PID: 102 SPN: FMI: 0 Intake Manifold 1 Pressure Sensor Circuit – Data Valid but Above Normal Operational Range – Moderately Severe Level. Intake manifold pressure has exceeded the maximum limit for the given engine rating.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 123 PID: 102 SPN: 102 FMI: 4 Intake Manifold 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage or open circuit detected at the intake manifold pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 122 PID: 102 SPN: 102 FMI: 3 Intake Manifold 1 Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the intake manifold pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 115 PID: 190 SPN: 612 FMI: 2 Engine Magnetic Speed/Position Lost Both of Two Signals – Data Erratic, Intermittent, or Incorrect. The engine control module (ECM) has detected that the primary and backup speed sensor signals are connected backwards.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 111 PID: SID 254 SPN: 629 FMI: 12 Electronic Control Module Critical Internal Failure – Bad Intelligent Device or Component. Error internal to the electronic control module (ECM) related to memory hardware failures or internal ECM voltage supply circuits.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 111 PID: SID 254 SPN: 629 FMI: 12 Electronic Control Module Critical Internal Failure – Bad Intelligent Device or Component. Error internal to the electronic control module (ECM) related to memory hardware failures or internal ECM voltage supply circuits.

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PACCAR PX-6 CM2150 (2007-09) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal 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.

Newer engines use two throttle position sensors to determine the throttle position. Older throttle pedals used a single throttle position sensor and an idle validation switch. If Fault Codes 132 and 1241 are active when the accelerator pedal is in the idle position and Fault Code 132 goes inactive and Fault Code 1239 goes active when the throttle is depressed, the incorrect throttle pedal has been installed in the vehicle. A throttle pedal with two acceleration position sensors must be installed.

If troubleshooting an intermittent accelerator problem:

The accelerator pedal or lever position sensor signal voltage can be monitored with the INSITE™ electronic service tool, while flexing the harness to locate the intermittent connection. Intermittent connections will show up as abrupt changes in signal voltage displayed in INSITE™ electronic service tool.

Possible cause:

1)Accelerator pedal or lever position signal shorted to engine ground or return wires in the OEM harness or sensor.
2)Failed accelerator pedal or lever position sensor.
3)Open circuit in the accelerator signal, supply, or return wire in the harness or connectors.

NOTE: The three wires in the accelerator position sensor circuit must be twisted together.

Possible repairs:

1)Replace the accelerator pedal or lever.
2)The removal and installation of the connector corrected the problem.
3)Repair or replace the OEM harness.
4)Replace the ECM.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 131 PID: 91 SPN: 91 FMI: 3 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at accelerator pedal position number 1 circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 124 PID: 102 SPN: FMI: 0 Intake Manifold 1 Pressure Sensor Circuit – Data Valid but Above Normal Operational Range – Moderately Severe Level. Intake manifold pressure has exceeded the maximum limit for the given engine rating.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 123 PID: 102 SPN: 102 FMI: 4 Intake Manifold 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage or open circuit detected at the intake manifold pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 122 PID: 102 SPN: 102 FMI: 3 Intake Manifold 1 Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the intake manifold pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 115 PID: 190 SPN: 612 FMI: 2 Engine Magnetic Speed/Position Lost Both of Two Signals – Data Erratic, Intermittent, or Incorrect. The engine control module (ECM) has detected that the primary and backup speed sensor signals are connected backwards.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 111 PID: SID 254 SPN: 629 FMI: 12 Electronic Control Module Critical Internal Failure – Bad Intelligent Device or Component. Error internal to the electronic control module (ECM) related to memory hardware failures or internal ECM voltage supply circuits.

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PACCAR PX-6 CM2150 (2007-09) Fault Code: 133 PID: 372 SPN: 974 FMI: 3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at remote accelerator position signal 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.

If troubleshooting an intermittent accelerator problem:

The remote accelerator pedal or lever position sensor signal voltage can be monitored with the INSITE™ electronic service tool, while flexing the harness to locate the intermittent connection. Intermittent connections will show up as abrupt changes in signal voltage displayed by the INSITE™ electronic service tool.

Possible causes:

1)Remote accelerator pedal or lever position signal circuit shorted to battery or +5 volt supply.
2)Open remote accelerator pedal or lever return circuit in the harness or connections.
3)Remote accelerator supply shorted to battery.
4)Failed remote accelerator pedal or lever position sensor.

NOTE: The three wires in the remote accelerator position sensor circuit must be twisted together.

Possible repairs:

1)Replace the accelerator pedal or lever.
2)The removal and installation of the connector corrected the problem.
3)Repair or replace the OEM harness.
4)Replace the ECM.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 131 PID: 91 SPN: 91 FMI: 3 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at accelerator pedal position number 1 circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 124 PID: 102 SPN: FMI: 0 Intake Manifold 1 Pressure Sensor Circuit – Data Valid but Above Normal Operational Range – Moderately Severe Level. Intake manifold pressure has exceeded the maximum limit for the given engine rating.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 123 PID: 102 SPN: 102 FMI: 4 Intake Manifold 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage or open circuit detected at the intake manifold pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 122 PID: 102 SPN: 102 FMI: 3 Intake Manifold 1 Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the intake manifold pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 115 PID: 190 SPN: 612 FMI: 2 Engine Magnetic Speed/Position Lost Both of Two Signals – Data Erratic, Intermittent, or Incorrect. The engine control module (ECM) has detected that the primary and backup speed sensor signals are connected backwards.

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PACCAR PX-6 CM2150 (2007-09) Fault Code: 134 PID: 372 SPN: 974 FMI: 4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at remote accelerator position signal 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.

If troubleshooting an intermittent accelerator problem:

The remote accelerator pedal or lever position sensor signal voltage can be monitored with the INSITE™ electronic service tool, while flexing the harness to locate the intermittent connection. Intermittent connections will show up as abrupt changes in signal voltage displayed by the INSITE™ electronic service tool.

Possible causes:

1)Remote accelerator pedal or lever position signal circuit shorted to battery or +5 volt supply.
2)Open remote accelerator pedal or lever return circuit in the harness or connections.
3)Remote accelerator supply shorted to battery.
4)Failed remote accelerator pedal or lever position sensor.

NOTE: The three wires in the remote accelerator position sensor circuit must be twisted together.

Possible repairs:

1)Replace the accelerator pedal or lever.
2)The removal and installation of the connector corrected the problem.
3)Repair or replace the OEM harness.
4)Replace the ECM.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 133 PID: 372 SPN: 974 FMI: 3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 131 PID: 91 SPN: 91 FMI: 3 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at accelerator pedal position number 1 circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 124 PID: 102 SPN: FMI: 0 Intake Manifold 1 Pressure Sensor Circuit – Data Valid but Above Normal Operational Range – Moderately Severe Level. Intake manifold pressure has exceeded the maximum limit for the given engine rating.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 123 PID: 102 SPN: 102 FMI: 4 Intake Manifold 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage or open circuit detected at the intake manifold pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 122 PID: 102 SPN: 102 FMI: 3 Intake Manifold 1 Pressure Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the intake manifold pressure circuit.

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PACCAR PX-6 CM2150 (2007-09) Fault Code: 135 PID: 100 SPN: 100 FMI: 3 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the engine oil pressure 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.

The oil pressure sensor shares supply and return wires in the engine harness with other sensors. Opens and shorts in the engine harness can cause multiple fault codes to be active. Before troubleshooting Fault Code 135, check for multiple fault codes.

Possible causes:

1)Open return circuit in the harness, connectors, or sensor
2)Signal circuit shorted to sensor supply or battery voltage.

Possible repairs:

1)Replace the oil pressure sensor.
2)Replace the ECM
3)Repair or replace the engine harness.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 134 PID: 372 SPN: 974 FMI: 4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 133 PID: 372 SPN: 974 FMI: 3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 131 PID: 91 SPN: 91 FMI: 3 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at accelerator pedal position number 1 circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 124 PID: 102 SPN: FMI: 0 Intake Manifold 1 Pressure Sensor Circuit – Data Valid but Above Normal Operational Range – Moderately Severe Level. Intake manifold pressure has exceeded the maximum limit for the given engine rating.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 123 PID: 102 SPN: 102 FMI: 4 Intake Manifold 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage or open circuit detected at the intake manifold pressure circuit.

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PACCAR PX-6 CM2150 (2007-09) Fault Code: 141 PID: 100 SPN: 100 FMI: 4 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the engine oil pressure 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.

The oil pressure sensor shares supply and return wires in the engine harness with other sensors. Opens and shorts in the engine harness can cause multiple fault codes to be active. Before troubleshooting Fault Code 141, check for multiple faults.

Possible causes:

1)A signal circuit open or shorted to ground in the engine harness or sensor
2)A supply wire open or shorted to ground.

Possible repairs:

1)Replace the oil pressure sensor.
2)Replace the ECM
3)Repair or replace the engine harness.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 135 PID: 100 SPN: 100 FMI: 3 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the engine oil pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 134 PID: 372 SPN: 974 FMI: 4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 133 PID: 372 SPN: 974 FMI: 3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 131 PID: 91 SPN: 91 FMI: 3 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at accelerator pedal position number 1 circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 124 PID: 102 SPN: FMI: 0 Intake Manifold 1 Pressure Sensor Circuit – Data Valid but Above Normal Operational Range – Moderately Severe Level. Intake manifold pressure has exceeded the maximum limit for the given engine rating.

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PACCAR PX-6 CM2150 (2007-09) Fault Code: 143 PID: 100 SPN: 100 FMI: 1 Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level.

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.

This fault code goes active when the engine oil pressure drops below the engine protection limit. Troubleshoot the engine for low oil pressure.

1)If necessary, recalibrate the ECM.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 141 PID: 100 SPN: 100 FMI: 4 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the engine oil pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 135 PID: 100 SPN: 100 FMI: 3 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the engine oil pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 134 PID: 372 SPN: 974 FMI: 4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 133 PID: 372 SPN: 974 FMI: 3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 131 PID: 91 SPN: 91 FMI: 3 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High voltage detected at accelerator pedal position number 1 circuit.

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PACCAR PX-6 CM2150 (2007-09) Fault Code: 144 PID: 110 SPN: 110 FMI: 3 Engine Coolant Temperature 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage or open circuit detected at engine coolant 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.

Before troubleshooting Fault Code 144, check for multiple faults.

The engine coolant temperature sensor shares return wires in the engine harness with other sensors. An open return can cause multiple fault codes to be active.

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)Replace the engine coolant temperature sensor.
2)Replace the ECM.
3)Replace the engine harness.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 143 PID: 100 SPN: 100 FMI: 1 Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level. Engine oil pressure signal indicates engine oil pressure is below the engine protection warning limit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 141 PID: 100 SPN: 100 FMI: 4 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the engine oil pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 135 PID: 100 SPN: 100 FMI: 3 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the engine oil pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 134 PID: 372 SPN: 974 FMI: 4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 133 PID: 372 SPN: 974 FMI: 3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal position number 1 signal circuit.

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PACCAR PX-6 CM2150 (2007-09) Fault Code: 145 PID: 110 SPN: 110 FMI: 4 Engine Coolant Temperature 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at engine coolant 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.

The engine coolant temperature sensor shares return wires in the engine harness with other sensors. A shorted return can cause multiple fault codes to be active. Before troubleshooting Fault Code 145, check for multiple fault codes.

Possible causes:

1)Signal shorted to ground in the harness
2)Signal shorted to return or ground in the sensor.

Possible repairs:

1)Replace the engine coolant temperature sensor.
2)Replace the ECM.
3)Replace the engine harness.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 144 PID: 110 SPN: 110 FMI: 3 Engine Coolant Temperature 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage or open circuit detected at engine coolant temperature circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 143 PID: 100 SPN: 100 FMI: 1 Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level. Engine oil pressure signal indicates engine oil pressure is below the engine protection warning limit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 141 PID: 100 SPN: 100 FMI: 4 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the engine oil pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 135 PID: 100 SPN: 100 FMI: 3 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the engine oil pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 134 PID: 372 SPN: 974 FMI: 4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at remote accelerator position signal circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 133 PID: 372 SPN: 974 FMI: 3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at remote accelerator position signal circuit.

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PACCAR PX-6 CM2150 (2007-09) Fault Code: 146 PID: 110 SPN: 110 FMI: 0 Engine Coolant Temperature – Data Valid But Above Normal Operational Range – Moderately Severe Level. Engine coolant temperature is above engine protection warning limit.

Verify the 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.

This fault code indicates that coolant temperature has exceeded the engine protection limits for high coolant temperature.

Possible repairs:

1)Replace the engine coolant temperature sensor.
2)Replace the ECM.
3)Replace the engine harness.

PACCAR PX-6 CM2150 (2007-09) Fault Code: 145 PID: 110 SPN: 110 FMI: 4 Engine Coolant Temperature 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at engine coolant temperature circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 144 PID: 110 SPN: 110 FMI: 3 Engine Coolant Temperature 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage or open circuit detected at engine coolant temperature circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 143 PID: 100 SPN: 100 FMI: 1 Engine Oil Rifle Pressure – Data Valid but Below Normal Operational Range – Moderately Severe Level. Engine oil pressure signal indicates engine oil pressure is below the engine protection warning limit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 141 PID: 100 SPN: 100 FMI: 4 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the engine oil pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 135 PID: 100 SPN: 100 FMI: 3 Engine Oil Rifle Pressure 1 Sensor Circuit – Voltage Above Normal or Shorted to High Source. High signal voltage detected at the engine oil pressure circuit.
PACCAR PX-6 CM2150 (2007-09) Fault Code: 134 PID: 372 SPN: 974 FMI: 4 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit – Voltage Below Normal or Shorted to Low Source. Low voltage detected at remote accelerator position signal circuit.

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