Peugeot 508 II seat heating

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BrayanLDZ
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Peugeot 508 II seat heating

Unread post by BrayanLDZ »

With you. Diagbox won't connect to the seat. How do I turn on the seat heating? The seat mat doesn't heat, but the backrest does. Has anyone had this problem and knows where to look for the problem?
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mickthemaverick
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Re: Peugeot 508 II seat heating

Unread post by mickthemaverick »

If you post a translation of the fault screen you will have a better chance of help :)
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Sloppysod
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Re: Peugeot 508 II seat heating

Unread post by Sloppysod »

If the backrest heats but the seat mat doesn't it sounds to me as if a wire within the seat mat has broken which is not uncommon.
I may be wrong but both (back &seat) recieve a signal and power at the same time from the ECU.
I would check continuity on the cushion pad,
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Paul-R
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Re: Peugeot 508 II seat heating

Unread post by Paul-R »

seat.jpg
Last edited by mickthemaverick on 06 Jun 2026, 12:07, edited 1 time in total.
Reason: Image rotation corrected
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BrayanLDZ
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Joined: 20 May 2023, 22:34
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Re: Peugeot 508 II seat heating

Unread post by BrayanLDZ »

Niechlujny I also suspect that the mat is broken, although I don't know why there is no communication with the left seat controller. There should probably be an error regarding the mat.

Paul R thank you for translating the photo.

maybe someone has diagrams for this chair?
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