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shaman97
Joined: 20 Oct 2004
Posts: 45
Location: El Dorado Hills, Ca
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 Posted: Wed Sep 15, 2010 11:41 pm Post subject: Display shows faulty taillight, but all is OK |
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Hi all,
2000 E39.
Diplay showed a faulty Right taillight. Found the Backup (reverse) light was blown. Easy enough - replaced bulb;all is good, but the display is still telling me I have a faulty taillight.
Is there a reset for this, or should it just go away on it's own?
Thanks,
Bob
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1989 325ic 190,000 miles and counting |
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edjack
Joined: 04 Feb 2002
Posts: 3887
Location: San Jose, CA
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| Posted: Thu Sep 16, 2010 10:58 am Post subject: |
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Make sure the bulb has a silver-colored base, and it, and the socket, are clean, with no corosion.
Also, the bulb may be ready to blow. The light control module is sensitive to these two things. Replace the bulb to see if the message goes away.
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Ed BMW CCA member since 1987 (Nr. 62319).
'97 540i 6 speed Aspensilber over Aubergine interior. |
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shaman97
Joined: 20 Oct 2004
Posts: 45
Location: El Dorado Hills, Ca
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| Posted: Mon Sep 20, 2010 8:26 am Post subject: |
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Swapped the bulbs between the right and left side.
The message stayed on the Right side.
Funny, while I had the bulbs out on the Left side, it didn't register any faults on the Left. Hmmmm.
Any other way to check the LKM without removing and doing surgery on it?
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1989 325ic 190,000 miles and counting |
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edjack
Joined: 04 Feb 2002
Posts: 3887
Location: San Jose, CA
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| Posted: Mon Sep 20, 2010 11:29 am Post subject: |
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You'll need a factory tool to access the LKM.
_________________
Ed BMW CCA member since 1987 (Nr. 62319).
'97 540i 6 speed Aspensilber over Aubergine interior. |
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