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  1. #21
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    uem replace, effects ?

    Quote Originally Posted by CRASH View Post
    Used remotes will work if your car is fitted with an VGLA module, as in S40, V40, C70, S70 early P1 V70s, but require some sort of diagnostic equipment to unlock the security on the module and then initialise the remote to the car by pressing the lock/unlock button.

    P2 cars remotes are programmed into the UEM and have an 8 digit pin (on early models) and an 8 & 16 digit pin on later models, again require diagnostic equipment to unlock the module and add codes.

    Vadis is now obsolete and will not program keys and remotes, Vida will perform the task but there is not many independent repairers who have the tool and software capability.

    I find that bypassing the system is the easiest way, but the information is classified by Volvo and would result in prosecution and certain death.
    so if i replace the UEM with one from a vehicle with a fob from same vehicle, can i unlock the car/// and will it cause other problems [no start? or lights on all time?]

  2. #22
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    Dangerous Dave's Avatar
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    Quote Originally Posted by richengle View Post
    so if i replace the UEM with one from a vehicle with a fob from same vehicle, can i unlock the car/// and will it cause other problems [no start? or lights on all time?]
    If it's for an S70 (or P1 x70 series up to 98/99) then in theory, yes.
    Last edited by Dangerous Dave; Sunday 6th February 2022 at 21:19.
    1996 Olive Green 850 AWD - Follow the Project - Forged rods, 19T, big blue injectors, 960 TB, 3.25" MAF, Ostrich, 608 binary, arduino data display, active exhaust control with Focus RS tips, 320mm front brake conversion.
    1996 Nautic Blue 850 AWD - Failed its MOT, now it's a donor for the green thing.
    2004 Sapphire Black S60 D5 - The new daily hack.


 

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