Cummins ISM CM875 (2003-06) Fault Code: 2365 PID: S82 SPN: 1112 FMI: 4/4 Engine Brake Actuator Circuit Number 3 – shorted low. Low voltage detected at the engine brake solenoid Number 3 signal circuit.

Possible causes:

1)Short circuit to ground in the engine harness, connectors, or engine brake solenoids
2)Failed ECM.

Possible repairs:

1)Remove the internal actuator harness.
2)Replace the engine brake solenoid.
3)Replace the ECM.