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Service lights

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Chappy View Drop Down
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Joined: 13 Mar 2015
Location: Perthshire
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Chappy Quote  Post ReplyReply Direct Link To This Post Topic: Service lights
    Posted: 29 Apr 2020 at 6:39pm
Has anyone got any idea why my service lights will not reset.  

I have just had my car serviced and when doing the service lights reset, the lights will not come on. It is a local garage and the guy is ex BMW. He has a proper BMW resetting tool and also his own and has tried with both, as well as trying the jump method using pins 19 and 7. The earth is good into the reset port so he is stumped as to why the lights will not reset. 

Any help would be very much appreciated.

Cheers

Chappy

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Cambell View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Cambell Quote  Post ReplyReply Direct Link To This Post Posted: 03 May 2020 at 7:28am
A bad earth somewhere else, possibly at the ECU. Kinda ties in with the other electrical gremlins you've had in the past.
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Chappy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Chappy Quote  Post ReplyReply Direct Link To This Post Posted: 03 May 2020 at 9:28am
Originally posted by Cambell Cambell wrote:

A bad earth somewhere else, possibly at the ECU. Kinda ties in with the other electrical gremlins you've had in the past.

Cheers Campbell, I’ll Get Kevin to check it out. He has acquired wiring diagrams and has checked all earths and they all appear to be good bit he did said he would check any suggestions I can find. He knows a couple of guys from his time at BMW who are encyclopaedias when it comes to BMW but they are very hard to get hold of! 

It might just be a simple case that they will not reset whilst I still have 2 green lights.
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