Detroit DD16 GHG14 (2014-16) Fault Code: SPN 51 FMI 18 (MCM) Intake Throttle Position Rationality Error

DESCRIPTION:
This fault sets when intake throttle position does not match requested range.

MONITORED PARAMETER:
Intake throttle valve (ITV).

TYPICAL ENABLING CONDITIONS:
Engine rpm = idle or higher.

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
Five seconds

DASH LAMPS:
MIL

ENGINE REACTION:
No derate

VERIFICATION:
Engine rpm = idle or higher.

POSSIBLE CAUSES:
1. Damaged ITV butterfly flap.
2. Faulty ITV motor.
3. Faulty ITV sensor.

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

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 51 FMI 10 (MCM) Intake Throttle Position Abnormal Rate of Change

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 51 FMI 4 (MCM) Intake Throttle Valve Circuit Failed Low

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 51 FMI 3 (MCM) Intake Throttle Valve Circuit Failed High

Cummins ISC CM2150 (2007-09) Fault Code: 111 PID: SID 254 SPN: 629 FMI: 12 Electronic Control Module Critical Internal Failure - Bad Intelligent Device or Component. Error internal to the electronic control module (ECM) related to memory hardware failures or internal ECM voltage supply circuits.

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