Detroit DD15 GHG14 (2014-16) Fault Code: SPN 2646 FMI 3 (CPC) Short to Power

NOTE: The common powertrain controller (CPC) digital outputs have the same SPN as some motor control module (MCM) faults. The diagnostic service tool makes the distinction between the MCM and CPC when diagnosing a fault.

NOTE: Vehicle power shutdown – indicates a short to power on the pin 02 circuit of the CPC #4 connector.