Detroit DD15 EPA10 (2010-13) Fault Code: SPN 636 FMI 10 (MCM) Crankshaft Position Sensor Signal Erratic

DESCRIPTION:
Crankshaft position sensor signal erratic.

MONITORED PARAMETER:
Crankshaft position (CKP) sensor signal erratic.

TYPICAL ENABLING CONDITIONS:
Engine idle

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
2 seconds

DASH LAMPS:
MIL

VERIFICATION:
Engine idle

PROBABLE CAUSES:
1. Crankshaft sensor connector/harness.
2. Crankshaft sensor.