Detroit DD15 EPA07 (2007-09) Fault Code: SPN 973 FMI 19 (CPC) Engine Retarder Selection Signal is Erratic

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 recently, check programming to ensure it is correct.

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

Categories DD15 EPA07 (2007-09), Detroit, DTC TRUCKS Tags 09, 19, 2007, 973, Code:, CPC, DD15, Detroit, Engine, EPA07, Erratic, Fault, FMI, is, Retarder, Selection, signal, SPN

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