Detroit DD15 EPA07 (2007-09) 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.

NOTE: Pin 16 of the CPC #3 connector has a wiring problem.