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Thread: battery off to reset remap?

  1. #1
    Regular Member mrk's Avatar
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    Vehicle : vectra hatchback

    Trim : improving

    Engine : 1.9cdti mas remap

    Year : 06

    Default battery off to reset remap?

    read on here about this as it appears to reset the remap to orig' remap settings,ie gets rid of "learned" settings.just wondered if this was advisable to do regularly to keep the map settings as the mapper set them.

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    That's not true fella. I've had the battery off for hours even a few days and the map is still there.

    Sent from my iPhone 5 using Forum Runner

  3. #3
    Regular Member mrk's Avatar
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    Vehicle : vectra hatchback

    Trim : improving

    Engine : 1.9cdti mas remap

    Year : 06

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    i meant you get the origional REMAP back without learned behaviour,

  4. #4
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    Nar, still didn't happen to me. Map felt the same before and after battery removal.

    Maybe other members have experienced though, but not me.

    Sent from my iPhone 5 using Forum Runner

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    Vehicle : Golf 7

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    A remap flashes the EPROM part of the ECU which holds the map data. When the battery is disconnected the static ram part if you like gets wiped. The static ram part is the bit that holds data which changes with time and driving style. This means anything the ECU has learned about driving style gets reset. The map has to be flashed off of the ECU to get deleted. That's the just of it anyway.

    Think of it as the BIOS chip in a PC, that doesn't lose data when the PC is switched off but all of the contents of the RAM are lost. The BIOS chip can be flashed though too as it's EPROM.

  6. #6
    Full Member chrisvectra's Avatar
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    Vehicle : VXR8 6.0 muscle SRI ESTATE XP1

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    id heard that somewhere as well pulling the batt lead off reset the ecu to its prelearned state
    VXR IS FOR LIFE NOT JUST FOR THRILLS !



  7. #7
    Regular Member Critch's Avatar
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    Removing will change batt any learnt values.

    But will not affect your remap

  8. #8
    Regular Member mrk's Avatar
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    Vehicle : vectra hatchback

    Trim : improving

    Engine : 1.9cdti mas remap

    Year : 06

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    Quote Originally Posted by Critch View Post
    Removing will change batt any learnt values.

    But will not affect your remap
    thats what i meant exactly m8 ,lose learned stuff not the map,so is it worth doing do we think

  9. #9
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    How long do you have to leave the battery off to 'lose' the temp stored data?

  10. #10
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

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    Engine : 2.8 v6 turbo

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    as said u will not loose the map promise
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

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