Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3490 FMI 3 (ACM) Post Run Indicator Lamp

NOTE: Post run indicator lamp – Indicates an open circuit on pin 14 circuit of the aftertreatment control module 120-pin connector. Repair the open circuit on pin 14 circuit of the aftertreatment control module (ACM) 120-pin connector.

NOTE: Repair the open circuit on pin 14 of the ACM2.1 120-pin connector.