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2004 BMW 330 DDE light on



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Posted at Tue Jun 17, 2008 12:37 pm
By rjharris, Likes cars!
Give Feedback | Votes: 0
   
Electrical problem
2004 BMW 330 6 cyl Two Wheel Drive Automatic 63000 miles
----------------------------------------------------------------
Hi,
the dde light is on constantly. The car runs well, but the light never goes off.
Can you suggest where to look please?
Thanks.
 
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Posted at Tue Jun 17, 2008 12:37 pm
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Posted at Tue Jun 17, 2008 12:42 pm
By Dr. Hagerty, Moderator
Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3 (375) Give Feedback | Votes: 8
   
Please repost with the vehicle identification number.
 
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Posted at Fri Jun 27, 2008 5:02 am
By rjharris, Likes cars!
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Sorry, not sure what you mean by vehicle identification number? Its a 330D E46 if that helps?
 
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Posted at Fri Jun 27, 2008 7:27 am
By Dr. Hagerty, Moderator
Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3 (375) Give Feedback | Votes: 8
   
The VIN is the 17 digit number that is located on the "b" pillar at the drivers door or on a plate that is visible through the windshield. The light may be on due to a plausibility issue or a fault in a sensor or for an emission problem. A scan of the car with the BMW proprietary software should reveal the fault.
 
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Posted at Sat Jun 28, 2008 12:22 am
By rjharris, Likes cars!
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I got a guy with the diagnostic scanner to have a look,
there were hundreds of faults registered!
He was able to reset the light and all seems ok now.
He says it may have had a low battery at some point.
Hope this might help someone else with a similar problem.
 
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Posted at Sat Jun 28, 2008 5:17 am
By Dr. Hagerty, Moderator
Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3Reputation: 375.3 (375) Give Feedback | Votes: 8
   
The issue with most of the faults with todays BMW cars is that they are excessively dependent on computers and the electronics that require steady voltage. You get a spike or a voltage excursion and it sets faults. And the only way to know for sure is to scan for faults and be able to correctly interpret them.
 
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