Detroit DD13 GHG14 (2014-16) Fault Code: SPN 2791 FMI 0 (MCM) High Load Operation in High Ambient Temperatures

NOTE: High load operation in high ambient temperatures. No action is necessary; this is a "silent" fault where the fan will be turned on.

NOTE: This fault is a concern only if the fan-on times are excessive but coolant temperatures are in the normal operating range.

PROBABLE CAUSES:
1. If 110-0 is active, repair this first.
2. Check for EGR exhaust leaks at the EGR valve actuator.
3. Remove the actuator cooler lines and fittings, check for kinks/plugs or leaks.
4. EGR valve actuator failure.

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 2659 FMI 18 (MCM) Exhaust Gas Recirculation Flow Target Error Diagnostics - Low Flow

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 2659 FMI 0 (MCM) Exhaust Gas Recirculation Flow Target Error Diagnostic - High Flow

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 2646 FMI 5 (CPC) Open Circuit on the Pin 02 Circuit of the CPC #4 Connector

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 2646 FMI 4 (CPC) Digital Output 4 02 - Indicated By a Short to Ground on Pin 02 Circuit of the Common Powertrain Controller #4 Connector

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