Detroit DD15 GHG14 (2014-16) Fault Code: SPN 1636 FMI 4 (MCM) Intake Manifold Temperature Circuit Failed Low

DESCRIPTION:
Intake manifold temperature circuit failed low.

MONITORED PARAMETER:
Intake manifold temperature sensor.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
Derate 25%

VERIFICATION:
Engine Idle: One minute.

PROBABLE CAUSES:
1. Intake manifold pressure/temperature sensor.
2. Intake manifold pressure/temperature sensor connector/harness.