Changing Battery

roentgen · Post by **roentgen** » Fri Feb 11, 2011 8:57 pm

Hi All:

I was wondering if I every have to change the battery on my vehicle, would I loose the tue tune currently on the vehicles ecm, once I disconnect the battery cables ?

Any help appreciated

Post by **06MonteSS** » Fri Feb 11, 2011 11:33 pm

nope... think of all the dead cars there would be around if changing the battery erased the programming from the pcms, hehe...

the tune will not get lost or erased...

roentgen · Post by **roentgen** » Sat Feb 12, 2011 1:08 am

Tks for the info. I guess I was thinking the tune was held like in RAM, loose the power loose the data.

Good to know.

Post by **06MonteSS** » Sat Feb 12, 2011 1:45 am

nope.... once the tune is flashed to the pcm, it's in there... no removing it or changing it unless you flash something different to it...

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