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Detroit DD16 GHG14 (2014-16) Fault Code: SPN 636 FMI 1 (MCM) Crankshaft Position Sensor Signal Voltage Too Low

DESCRIPTION:
Crankshaft position (CKP) sensor signal voltage too low.

MONITORED PARAMETER:
Crankshaft position sensor signal.

TYPICAL ENABLING CONDITIONS:
Engine idle

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
10 seconds

DASH LAMPS:
1. MIL
2. CEL

VERIFICATION:
Engine Idle: One minute.

PROBABLE CAUSES:
1. Crankshaft or Camshaft sensor connector/harness.
2. Crankshaft or Camshaft sensor.
3. Flywheel out of position.
4. Crankshaft thurst bearing failure.

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