Detroit DD15 GHG14 (2014-16) Fault Code: SPN 704 FMI 3 (CPC) High Exhaust System Temperature Lamp
NOTE: Indicates a short to power/open circuit on pin 7 of the CPC #4 connector.
NOTE: The common powertrain controller (CPC) digital outputs have the same SPN as some motor control module (MCM) faults.
PROBABLE CAUSES:
Wiring problem between pin 1 and/or 3 of the turbocharger actuator connector and pin 35 of the 120-pin ECM connection.
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