Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3871 FMI 4 (CPC) Transmission Speed Sensor 4 04 or 3 13 Circuit Failed Low

NOTE: Please see the step by step troubleshooting procedures for this specific code.

NOTE: If the engine has been programmed recently, ensure the parameters for the transmission are correct.

PROBABLE CAUSES:
1. ITransmission Speed Sensor connector/harness all the way to the ECM.
2. Transmission speed sensor failure.

Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3871 FMI 3 (CPC) Transmission Speed Sensor 4 04 or 3 13 Circuit Failed High

Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3871 FMI 2 (CPC) Transmission Speed Failure

Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3870 FMI 4 (CPC) Digital Input 4 02 - Indicated by a Short to Ground on Pin 2 Circuit of the Common Powertrain Controller #4 Connector

Detroit DD15 GHG14 (2014-16) Fault Code: SPN 3870 FMI 3 (CPC) Digital Input 4 02 - Failed High on Pin 2 Circuit of the Common Powertrain Controller # 4 Connector

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