Detroit DD15 GHG14 (2014-16) Fault Code: SPN 709 FMI 4 (MCM, CPC) Short to Ground

NOTE: The common powertrain controller (CPC) digital outputs have the same SPN as some motor control module (MCM) faults.

NOTE: Red stop lamp (RSL) – indicates a short to ground on the pin 16 circuit of the CPC #3 connector.