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Immobiliser Malfunction, Service Now.

Pac Man1
Pac Man1
in Ford Fiesta Club

Featured Replies

Hi Everyone,

was wondering if anyone could help?

Someone tried to Nick my FORD FIESTA 1.6 ECOBOOST ST-2, Luckily they didnt get it.

but what ever they did it wiped my keys, which i managed to get sorted, and reprogrammed, but i now keep getting the message 

"Immomobiliser Malfunction, service now flashing at me , and a horrible alarm that goes on for about 10 mins, when i first start to drive.

I have a keyless start model, and wonder how to stop this happening other than going to ford or costing a fortune

Thanks in Advance!!

  • Quote


    Local auto locksmith. Or just go back to wherever you got your keys reprogrammed and say they haven't fixed it...

  • Quote

    im getting this aswell got the keys wiped and reprogrammed now it just spams up immobiliser malfunction service now so annoying!

  • Quote

    Sounds like the modules with the immobilisers in need re initialising. I think this can only be done at a Ford dealer as it's security access. Make sure to give them both keys as well as the initialisation will wipe and reprogramme the keys. 

  • Quote

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    The "Digestive"

    • The Digestive Forum Roundup (24th May - 31st May 2026)

      Steve ·
      The Digestive Forum Roundup (24th May - 31st May 2026) We hope this email finds you well and enjoying your week. As always, our forum has been buzzing with activity, so we’ve compiled the highlights for you. Plenty of interesting discussions are taking place, especially around the Ford Focus and Fiesta models. Starting off with the Focus, many members have been discussing issues with the Emergency Call System, particularly in the Mk4 model. PLB raised concerns about persistent malfunctions, a se
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