Detroit DD13 EPA10 (2010-13) 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. MIL2. 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.
