Also, many SCT devices contain a “Clear KAM” command in the “Special Functions” menu of the device that will also clear KAM, without the need to disconnect the battery.
Examples would be: disconnecting the battery, replacing battery or battery cables, a dead battery, or a bad ground. The KAM is cleared anytime battery power is disconnected from the PCM. It is constantly updated as the vehicle is driven to account for changes in environment, driving conditions, and even wear on the vehicle. This memory contains data regarding idle trims, fueling adjustments, adaptive shifting, and many other parameters. The KAM or “Keep Alive Memory” is the memory that is stored in the powertrain control module (PCM). In the event you are experiencing an erratic idle after loading a tune or after performing any action that clears KAM (Keep Alive Memory), an Idle Relearn can help you get back on track.
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