Detroit DD15 GHG14 (2014-16) Fault Code: SPN 973 FMI 2 (CPC) Short to Power/Open Circuit on Pin 13 of the Common Powertrain Controller #2 Connector
NOTE: Evo bus 5-Stage retarder level position not plausible – Short to Power/Open Circuit on pin 13 of the common powertrain controller #2 Connector. The common powertrain controller (CPC) digital outputs have the same SPN as some motor control module (MCM) faults.
NOTE: This is a Non-Detroit problem. Find the Evobus and repair from there.
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