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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW! |
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08-10-2012, 09:06 AM
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#1 |
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Registered User
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code reader gives Error when I try to retrieve codes
I have tried 3 different readers when I plug in under dash, it says error or can't sync. Does anyone know what the problem is?
thanks  |
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08-10-2012, 12:35 PM
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#2 |
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Registered User
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Which code readers? Are they BMW code readers or generic OBD-II readers.
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08-10-2012, 02:37 PM
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#3 |
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Registered User
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Generic code readers. I went to AutoZone, O'Reilly's and my friends reader.
It use to be able to read the codes. |
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08-10-2012, 05:13 PM
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#4 | ||
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ima touching member
Join Date: Dec 2007
Location: tree fort in big oak on corner somewhere in ny
Posts: 4,119
My Ride: 04 330i jet black
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is the key on ?
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08-10-2012, 06:08 PM
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#5 |
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Registered User
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Generic code readers should work. Like the previous post says ignition must be ON. Not Accessory. ON. There is a DME update required on some cars to get reliable OBD-II operation on certain production run. I think that was only on some M3s.
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08-10-2012, 08:48 PM
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#6 |
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Registered User
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Yes, the key is on ignition.
Also, the autozone and o'reilly guys tried to get a reading and it failed. I tried the reader on our other car and it works. |
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08-10-2012, 09:55 PM
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#7 |
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Registered User
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 5,182
My Ride: '06 330CiC, '03 M5
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Your profile shows you have a 2000 model year car.
Do you have the round connector under the hood? If so, likely you may need to try to connect under the hood with a round pin adapter and/or you may have a wiring problem with your underdash connector.
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08-10-2012, 10:44 PM
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#8 |
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Registered User
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Well I guess fortunately for me the service light went off.
I just received the Peake reader, but I may send it back to Amazon for a refund if the service engine soon light doesn't come on. I hit the 200k barrier today.....  |
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08-10-2012, 11:52 PM
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#9 |
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Registered User
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On MY2000, you need to use the round diagnostic port under the hood.
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08-11-2012, 01:52 PM
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#10 | |||
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ima touching member
Join Date: Dec 2007
Location: tree fort in big oak on corner somewhere in ny
Posts: 4,119
My Ride: 04 330i jet black
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Quote:
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