Cummins ISM CM875 (2003-06) Fault Code: 2367 (V1) PID: S28 SPN: 1072 FMI: 3/3 Engine Brake Actuator Driver Output 2 Circuit – Voltage Above Normal or Shorted to High Source.
Possible causes:
1)An open circuit in the engine harness, brake harness, or engine brake solenoids. 2)A short to voltage source in the engine harness. 3)A malfunctioning ECM.
Possible repairs:
1)Replace the engine brake solenoid. 2)Replace the engine brake harness 3)Replace the ECM.