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u0126:00-8A Mk4 Mondrian TDCI

Pal1972
Pal1972
in Ford Mondeo / Vignale Club

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Ok so the other day I fired up my mk4 mondeo tdci and immediately the engine malfunction warning came up along with the traction control symbol on the dash! Went into limp mode. Drove about 5 mins then turned off. After about half hr started up again and all was fine with no lights on dash! Later that day went to go out, after driving about 5 mins engine malfunction and TC lights came on on dash and into limp mode! A mate stuck a diagnostic on it and came up with: U0126:00-8A lost communication with SAMS module.

anyone any idea what this can be and how to fix it?

thanks in advance

  • Quote


    A quick Google came up with this result, there are also more.. 

    https://www.engine-codes.com/u0126.html

  • Quote
    • 1 year later...

    Hello,

    Anyone every solve this problem. I am having the same issue with my M4 Mondeo. Only happens at speeds over 40 mph or when accelerating hard. The car works fine while driving around town. 

    Regards Kevin,

     

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

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      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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