Detroit DD15 GHG14 (2014-16) Fault Code: SPN 51 FMI 2 (MCM) Intake Throttle Position Deviation Error

DESCRIPTION:
This code sets when the Intake Throttle Valve Position has a 15% deviation from the position commanded by the Motor Control Module (MCM) when the engine coolant temperature is above 60°C (140°F).

MONITORED PARAMETER:
Intake Throttle Valve (ITV)

TYPICAL ENABLING CONDITIONS:
Coolant temperature is greater than 60°C (140°F).

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
Five seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
10% Derate

VERIFICATION:
Engine rpm = 600 rpm or higher.

POSSIBLE CAUSES:
1. Faulty ITV motor.
2. Faulty ITV position sensor.
3. Sticking ITV.

PROBABLE CAUSES:
1. Air throttle valve harness.
2. ITV harness connector.
3. Intake throttle valve failure.
4. Cold temperatures may falsely cause this code to appear.
5. Intake throttle valve sensor.

Related

Categories DD15 GHG14 (2014-16), Detroit, DTC TRUCKS Tags 16, 2, 2014, 51, Code, DD15, Detroit, Deviation, Error, Fault, FMI, GHG14, Intake, MCM, Position, SPN, Throttle

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