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-   -   Does a dead battery cause computer problems? (https://mitsubishiforum.com/forum/mitsubishi-lancer-lancer-sportback-11/does-dead-battery-cause-computer-problems-52811/)

Lohnes 01-03-2019 03:50 PM

Does a dead battery cause computer problems?
 
I have a 2015 lancer.
Wondering if by letting the battery go dead, will this cause problems with the computer? A dealer told me I would have to take it to them to have it re-programmed if the battery goes dead, like say over winter in storage..??

jsfguy 02-23-2019 01:20 PM

A low battery can & dead one will just temporary. Once jumped or charged it should run ok, might stumble abit but should return to normal. I remember in the 90s a few models got disabled for this but that may have had factory security system too. To avoid the chance I would get the car running then hot swap a new battery in.This way the car will have no break in voltage to the ECU.


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