Detroit DD16 GHG14 (2014-16) Fault Code: SPN 5016 FMI 3 (ACM) High Side Digital Output 4 Circuit Failed High

DESCRIPTION:
High side digital output circuit shorted to power.

MONITORED PARAMETER:
High sided digital output.

TYPICAL ENABLING CONDITIONS:
Always on

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
2 Seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
None

VERIFICATION:
Key Cycle

NOTE: The supply voltage circuit is networked internal of the Aftertreatment Control Module (ACM). This circuit supplies voltage to the Coolant Valve, DEF Post Run indicator (if equipped), and the Inlet NOx sensor. A short to power on any one of those circuits will set this fault code.

PROBABLE CAUSES:
1. Coolant valve connector/harness.
2. Failed ACM (Aftertreament Control Module).

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