DESCRIPTION:
This fault code sets when there is an open on the intake throttle valve circuit.
MONITORED PARAMETER:
Intake Air Throttle
TYPICAL ENABLING CONDITIONS:
Key on
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Always enabled
TYPICAL DURATION:
2 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
Derate 10%
VERIFICATION:
Engine Idle: One minute.
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.
Detroit DD15 EPA07 (2007-09) Fault Code: SPN 51 FMI 3 (MCM) Intake Throttle Valve Circuit Failed High
Detroit DD15 EPA07 (2007-09) Fault Code: SPN 51 FMI 2 (MCM) Intake Throttle Position Deviation Error
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