Mitsubishi Lancer and Lancer Sportback Newer to the United States, the Lancer line offers a sporty compact sedan, with all of the fine styling of the performance minded Evolution.

Does a dead battery cause computer problems?

  #1  
Old 01-03-2019, 03:50 PM
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Default 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..??
 
  #2  
Old 02-23-2019, 01:20 PM
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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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