Detroit DD15 GHG14 (2014-16) Fault Code: SPN 103 FMI 4 (MCM) Turbo Speed Sensor Failed Low
DESCRIPTION:
This fault sets when the motor control module (MCM) detects a short to ground on the turbocharger speed sensor circuit.
MONITORED PARAMETER:
Turbocharger speed sensor.
TYPICAL ENABLING CONDITIONS:
Always on
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Cycle key
PROBABLE CAUSES:
1. Turbocharger speed sensor wiring/connector.
2. Turbocharger speed sensor.
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