Detroit DD16 GHG14 (2014-16) Fault Code: SPN 5016 FMI 4 (ACM) High Side Digital Output 4 Circuit Failed Low
DESCRIPTION:
High side digital output circuit shorted low.
MONITORED PARAMETER:
High side digital output.
TYPICAL ENABLING CONDITIONS:
Always on
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
Two 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 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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