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Thread: ECM replacement

  1. 11-11-2016 08:28 PM #1
    jwr9152
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    ECM replacement

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    My ECM is going out, and needs to be replaced. Does anyone know if you can program a used ECM or do you have to get a new ECM? I've heard different stories.
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  2. 11-12-2016 08:42 AM #2
    Siopao
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    You can attempt to program a used one but short of saying your gambling hoping the program takes and doesnt have issues. Thats what my indie says. Going through this with my beater passat. Tried rewiring my throttle body and possibly may have shorted my ecu.

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  3. 11-12-2016 09:08 AM #3
    jwr9152
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    well crap, I was afraid of that. Thanks for the reply. Good luck with the passat.
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  4. 11-13-2016 10:55 AM #4
    V8Star
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    You can use a used ecu, but only the dealership or an independent shop with the factory scan tool will be able to program it for you.

    Make sure the part number on the box matches the one currently in your car.
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  5. 11-14-2016 09:03 AM #5
    jwr9152
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    Quote Originally Posted by V8Star View Post
    You can use a used ecu, but only the dealership or an independent shop with the factory scan tool will be able to program it for you.

    Make sure the part number on the box matches the one currently in your car.
    Really, that's great news. Saves about $1000.
    2011 S5 6 spd 4.2 V8 with APR stage 3 supercharger, APR tune, B&B exhaust, Bilstein PSS10 B16, 034 strut mounts, SPC adjustable control arms, USS sway bars and end links, JHM lightweight flywheel and clutch, Meisterwerk short shifter, 034 transmission mount, Stoptech BBK, carbotech xp12, alu kreuz, 034 intake, apikol differential mount, AWE S-flo filter, cr-15 strut brace, Advanti Hybris 19X9.5, Michelin Sport Cup 2 275/35/19. USP RS5 grill. 034 Motor Mounts
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