Programmed 2013-2015 Cadillac ATS ECM 12644446 | Plug & Play ECU
This often happens because the root cause isn’t a faulty part, but a failing ECM that’s sending incorrect signals. This can lead to stalling, rough idling, incorrect shifting, and even a no-start condition that leaves you stranded.
2013-2015 Cadillac ATS ECM 12644446 AA1H
Programmed 2013-2016 Malibu ECM | 12644446 | Plug & Drive Solution
We handle the complex flashing process, so you can focus on the simple installation. He had already replaced the camshaft and crankshaft position sensors, the throttle body, and even the fuel pump based on various forum suggestions.