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Detroit DD13 EPA10 (2010-13) Fault Code: SPN 3509 FMI 3 (ACM) The 5V Sensor Supply Bank 1 Circuit Failed High

DESCRIPTION:5V sensor supply bank 1 circuit failed high.

MONITORED PARAMETER:Aftertreatment Control Module (ACM) 5V internal power supply.

TYPICAL ENABLING CONDITIONS:Always enabled

MONITOR SEQUENCE:None

EXECUTION FREQUENCY:Always enabled

TYPICAL DURATION:Two seconds

DASH LAMPS:1. MIL2. CEL

ENGINE REACTION:None

VERIFICATION:Engine Idle: One minute.

PROBABLE CAUSES:Short to power from the MCM pins to a sensor:1. Pin 58, charge air cooler outlet pressure sensor.2. Pin 102, charge air cooler pressure sensor.3. Pin 103, inlet air delta p & intake throttle valve.4. Pin 117, inlet air delta p & intake throttle valve.

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