Detroit DD15 EPA10 (2010-13) Fault Code: SPN 1071 FMI 4 (MCM, CPC) Fan Stage 2 Circuit Failed Low

DESCRIPTION:
Fan circuit failed low.

MONITORED PARAMETER:
Fan control solenoid.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
2 seconds

DASH LAMPS:
1. MIL
2. CEL

ENGINE REACTION:
None

VERIFICATION:
Ignition cycle

PROBABLE FAILURES:
1. Fan control solenoid connector/harness.
2. Fan control solenoid failure.