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Asked by: Ask A Mechanic Admin 28 views Trouble Code Questions
Hey mate just wondering what u0401 code means an how to fix
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In which control unit did you find it and whats the problem with the vehicle?
It means that there is a fault in the CAN bus communication from ECM or PCM. If no other problems with the car it could be a old stored fault codes if the car had low battery power sometime 🙂
Sellen - Dec 17, 2017 |Reply
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