Detroit DD15 GHG14 (2014-16) Fault Code: SPN 973 FMI 13 (CPC) Engine Retarder Selection Signal is Missing

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

NOTE: If codes 168-0, 168-14, or 168-18 active fix those first.

NOTE: If ECM has been programmed recentely, check programming to ensure it is correct.

NOTE: This code is comnig from another computer on the vehicle (ABS, Transmission, etc…).

Categories DD15 GHG14 (2014-16), Detroit, DTC TRUCKS Tags 13, 16, 2014, 973, Code, CPC, DD15, Detroit, Engine, Fault, FMI, GHG14, is, Missing, Retarder, Selection, signal, SPN

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