Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3471 FMI 1 (MCM) Electronic Dosing Valve Failed Self Test

NOTE: Please see the step by step troubleshooting procedures for this specific code.

PROBABLE CAUSES:
1. Wiring between the EDV and the 120-pin ECM connection.
2. Metering unit failure.
3. Electronic dosing valve failure.