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Detroit DD13 GHG14 (2014-16) Fault Code: SPN 2900 FMI 9 (CPC) ETC7 Message is Missing

NOTE: Fault will set during transmission module reprogramming. If fault occurs while programming, clear code and release vehicle.

NOTE: If any battery voltage codes present, first those first. If code 625-9 active, fix that before proceding as well.

1. CPC recently programmed incorrectly.
2. Another computer on the truck is the cause of the problems (ABS, Transmission, etc…).