Posted on

Detroit DD13 EPA10 SPN 51 FMI 2 Intake Throttle Position Deviation Error

Detroit DD13

This instruction show you guide on how to solve Detroit DD13 engine EPA10 SPN 51 FMI 2 MCM intake throttle position deviation error.

Detroit DD13

 

Related Contents

DDDL 8.21 2025

Nexiq USB Link 3 Adapter

 

 

This code sets when the Intake Throttle Valve position has A15%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 isgreater than 60C (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.