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Help! Cant go back to original tune!
Posted: Wed Aug 21, 2013 11:51 pm
by Naweed101
So I had the mpg booster tune in my 2005 chrysler 300c 5.7 and my original backup saved. today I go to install the original backup and when I get to the point when it says turn key too off then on it messes up and says PCM:bootup string missing/VPP issue?? help plz!

Re: Help! Cant go back to original tune!
Posted: Thu Aug 22, 2013 9:58 am
by mikel
this can be an issue on early 05 models, the tool will need to come in for a quick fix.
Re: Help! Cant go back to original tune!
Posted: Thu Aug 22, 2013 7:29 pm
by Naweed101
is there anyway I can get the original tune in without the tuner?
Re: Help! Cant go back to original tune!
Posted: Mon Aug 26, 2013 2:54 pm
by mikel
the dealer could...