G-8VXWWTRHPN Disconnecting Battery and Revo Tune on MK5 2.0T FSI - VWWatercooled Australia

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Disconnecting Battery and Revo Tune on MK5 2.0T FSI

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  • #1

    Disconnecting Battery and Revo Tune on MK5 2.0T FSI

    Will this reset the tune to ‘stock like’ settings?

    After a lot of googling I cannot find any conclusive evidence to suggest yes or no.

    I have only very recently had a stage 1 tune done, so would be th latest revision of the software.
    '18 MY18.5 MK3.5 Octavia vRS245
    Previous - 2015 MY16 MK7 R, 2010 MY10 R36 DSG, 2010 MK6 Golf GTI DSG // APR Stage 2, 2006 MK5 Jetta TFSI DSG // Revo Stage 2, 2006 MK5 Golf GTI Manual
    Tags: disconnecting, evidence, recently, stage, tune
  • #2
    No, the tune is written into permanent memory on the chip - pull the ECU out of the car, leave it on the bench for 10 years, put it back in the car and it'll be the same. There may be some minor adjustment trims that the ECU makes while driving, but that's minimal and will readjust within minutes

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    • #3
      It's only APR that has switching software that reverts to "stock" when you disconnect and reconnect the battery.

      2017 Tiguan Sportline - Tigger73's 162TSI Sportline
      2016 Scirocco R, stage 1, 205kwaw (sold) - Tigger73's Scirocco R Build
      2013 Tiguan 155TSI, stage 1, 144kwaw (sold) - Tigger73's 155TSI Build
      2011 Tiguan 125TSI, Stage 2+, 152kwaw (sold)       - Tigger73's 125TSI Build

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      • #4
        Turns out that the battery disconnect reverted the tune to stock-like settings - consistent with the REVO website. I got the 'performance' settings turned back on and wow, much better!!

        I think I prefer the REVO tune over the APR I had on my MK6!
        '18 MY18.5 MK3.5 Octavia vRS245
        Previous - 2015 MY16 MK7 R, 2010 MY10 R36 DSG, 2010 MK6 Golf GTI DSG // APR Stage 2, 2006 MK5 Jetta TFSI DSG // Revo Stage 2, 2006 MK5 Golf GTI Manual

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