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Detroit DD15 GHG14 (2014-16) Fault Code: SPN 103 FMI 0 (MCM) Turbocharger Speed Below Threshold (Low Box)

DESCRIPTION:
Turbocharger speed below threshold (low box).

MONITORED PARAMETER:
None

TYPICAL ENABLING CONDITIONS:
Turbocharger speed below threshold.

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
None

TYPICAL DURETION:
None

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
None

VERIFICATION:
None

PROBABLE CAUSES:
1. Air intake system has leaks – hoses, CAC, etc…
2. Turbocharger speed sensor wiring/connector.
3. Turbocharger speed sensor.