Cummins ISL CM850 (2003-06) Fault Code: 133 PID: 29 SPN: 974 FMI: 3 Remote Accelerator Pedal or Lever Position Sensor 1 Circuit - Voltage Above Normal, or shorted to High Source. High voltage detected at remote accelerator pedal position circuit.

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.

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 remote accelerator pedal or lever.
2)Repair or replace the OEM harness.
3)Replace the ECM.

Cummins ISL CM850 (2003-06) Fault Code: 132 PID: 91 SPN: 91 FMI: 4 Accelerator Pedal or Lever Position Sensor Circuit - Voltage Below Normal or Shorted to Low Source. Low voltage detected at accelerator pedal or lever position signal circuit.

Cummins ISL CM850 (2003-06) Fault Code: 131 PID: 91 SPN: 91 FMI: 3 Accelerator Pedal or Lever Position Sensor Circuit - Shorted High. High voltage detected at accelerator pedal or lever position circuit.

Cummins ISL CM850 (2003-06) Fault Code: 124 PID: 102 SPN: FMI: 0 Intake Manifold 1 Pressure Sensor Circuit - Data Valid But Above Normal Operating Range - Moderately Severe Level. Intake manifold pressure has exceeded the maximum limit for the given engine rating.

Cummins ISL CM850 (2003-06) Fault Code: 123 PID: 102 SPN: 102 FMI: 4 Intake Manifold Pressure Sensor Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the intake manifold pressure circuit.

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