MS^ Dead Battery Reflash ECU?

Discussion in 'Mazdaspeed 3/6 ECU Tuning' started by Meik, Aug 25, 2021.

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  1. Meik

    Meik Greenie N00B Member

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    Howdy,

    Working on MS6 rebuild. Cannot properly. Dealer installed a 370 CA lawn and garden tractor battery. Constantly recharging; probably playing havoc with PCM line voltage. Installed new "full size" battery. Need to reflash ECU/load new map?

    Thanks,

    Mike
     
    Meik, Aug 25, 2021
    #1
  2. Raider

    Raider Administraider Administrator Platinum Member

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    If you got the map loaded ok before it's still there. Can always redo it now you have a real battery.
     
    Raider, via an iPhone, Aug 26, 2021
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  3. Awafrican

    Awafrican Moderator Gold Member

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    shouldnt need to reflash just because the battery is dead. you can flash with the car on a trickle charger in fact is is recommended when running a small battery. no harm in reflashing either if you're worried
     
    Awafrican, Aug 26, 2021
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  4. Meik

    Meik Greenie N00B Member

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    Thanks
     
    Meik, Sep 7, 2021
    #4
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