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Detroit DD15 GHG14 (2014-16) Fault Code: SPN 974 FMI 4 (CPC) Remote Accelerator Pedal Circuit Failed Low

DESCRIPTION:
This fault may occur if remote accelerator pedal is programmed on and remote pedal circuit is shorted to ground while pin 8 of the common powertrain controller (CPC) connector #2 is grounded.

MONITORED PARAMETER:
Remote throttle sensor.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
CEL

ENGINE REACTION:
None

VERIFICATION:
1. Key on.
2. Engine on with remote pedal activated.

NOTE: If the unit doesn’t have a remote throttle pedal, it is programmed incorrectly.

NOTE: If it does have one, the problem is either the remote throttle switch or the wiring between the remote throttle pedal and the ECM.

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