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PACCAR PX-8 CM2150 (2007-09) Fault Code: 2182 PID: SID 79 SPN: 1072 FMI: 3 Engine Brake Actuator Driver 1 Circuit – Voltage Above Normal or Shorted to High Source. High voltage or open circuit detected at the engine brake solenoid 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.

Possible causes:

1)Open circuit in the engine harness, brake harness, or engine brake solenoids
2)Short to voltage source in the engine harness.
3)Malfunctioning ECM.

Possible repairs:

1)Replace the engine brake solenoid.
2)Replace the ECM.
3)Repair or replace the engine harness.

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