Detroit DD15 EPA07 (2007-09) Fault Code: SPN 636 FMI 3 (MCM) Crankshaft Position Sensor has and Open Circuit

DESCRIPTION:
Crankshaft position sensor open circuit.

MONITORED PARAMETER:
Crankshaft position sensor.

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 sensor connector/harness.
2. Crankshaft sensor.