Forum Discussion
gatorcq
May 19, 2016Explorer
ECM do have RAM, but all the memory is Non-volatile. Meaning it retains it's info without power. On all coaches after 1996, the ECU is powered down. Meaning power is removed from it. So look elsewhere. By the way, it does not relearn how you drive. On newer autos, it is always learning how you drive and changing.
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