Cummins ISB CM850 (2003-06) Fault Code: 2362 PID: SID 28 SPN: 1072 FMI: 4 Engine Brake Actuator Circuit #1 – Voltage Below Normal or Shorted to Low Source. Low voltage detected at the engine brake solenoid number 1 signal circuit.

Cummins ISB CM850 (2003-06) Fault Code: 2362 PID: SID 28 SPN: 1072 FMI: 4 Engine Brake Actuator Circuit #1 – Voltage Below Normal or Shorted to Low Source. Low voltage detected at the engine brake solenoid number 1 signal circuit.

Possible causes:

1)A short circuit to ground in the engine harness, connector, or engine brake solenoids.

Possible repairs:

1)Repair or replace the engine brake harness.
2)Replace the engine brake solenoid.
3)Replace the ECM.
4)Repair or replace the engine harness.
5)The removal and installation of the connector may correct the problem.