03-31-2015, 10:51 AM | #1 |
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Engine Malfunction, Reduced Power
Hello everyone,
I was driving my 2007 650i Coupe and stopped at a store to pick up some stuff at night after getting off from work. When I started the car, I got a "Engine Malfunction, Reduced Power" error on the idrive and HUD. I went home and parked the car, the next day I tried to start the car and it started but then it shut down and I got all kinds of light on the dash. I did some searching and some people on some forums said it might be the alternator or the battery along with the ISM, I replaced all those (band new) and still shuts down. I ran DIS and I get a DME - 2B9D DME: Control Unit, internal fault: Overvoltage error. Does anyone know what this means or what it can be? Thank you. Last edited by 6smc; 04-02-2015 at 12:01 PM.. Reason: Mistype Error |
03-31-2015, 12:48 PM | #2 | |
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04-01-2015, 12:50 AM | #3 |
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I assume that the fault code was cleared or otherwise reset by the installer after the new parts were installed, and then the fault code came back again?
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04-01-2015, 11:50 AM | #4 |
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04-01-2015, 11:53 PM | #5 |
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If you want to give it another shot before taking it into the dealer, I would recommend a one-day, $30 subscription to the official BMW Technical Information System (if you haven't done so already). I have not used the diagnostics resources there, but there certainly is a wealth of reliable information to be found there.
Good luck, and please post the answer when you get it resolved. It sounds like something we all could benefit from. |
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