Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3597 FMI 3 (MCM) High Side Digital Output 1 Circuit Failed High
DESCRIPTION:High side digital output 1 circuit short to power.
MONITORED PARAMETER:High side digital output 1 circuit.
TYPICAL ENABLING CONDITIONS:Always on
MONITOR SEQUENCE:None
EXECUTION FREQUENCY:Continuous when enabling conditions met.
TYPICAL DURATION:One second
DASH LAMPS:1. MIL2. CEL
ENGINE REACTION:Derate 25%
VERIFICATION:Ignition key cycle.
PROBABLE CAUSES:For 2010 EPA Engines:1. Short to power between pin 1 of the Jake brake solenoid and pin 66 of the MCM 120-pin connector.2. Short to power between pin 2 of the Jake brake solenoid and pin 91 of the MCM 120-pin connector.
For 2014 EPA Engines:1. DEF Dosing unit harness connector.2. Short to battery voltage between pin 4 of the harness side of the DEF dosing unit harness connector and pin 3 of the ECM 120-pin connector.3. Short between pin 3 of the harness side of the DEF dosing unit harness connector and pin 22 of the ECM 120-pin connector.
