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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > CAN DME Code 12003?



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      06-09-2010, 11:52 AM   #1
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CAN DME Code 12003?

I just received a CAN DME Code 12003. Car lost power but no limp mode or half engine light. This code is not listed on the Procede BMW Code list. Do you know what this is?
2007 E92 5MT, all stock running Procde Stage 1, 5-15 maps.
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      06-09-2010, 12:45 PM   #2
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2EE3: Coolant temperature sensor, plausibility, gradient

(from this thread: http://www.e90post.com/forums/showth...=320044&page=2 )
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      06-09-2010, 02:32 PM   #3
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Thanks! Looks like another trip to the dealer...
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      06-13-2010, 12:07 PM   #4
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Hey Rusty I just read the same error code in my car just the other day. Im curious, have you or the dealers found out why this code is being tripped?

Thanks
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      06-13-2010, 07:38 PM   #5
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I found this, hopefully it is related.

Weird stumble while cruising?
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      06-13-2010, 07:42 PM   #6
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That code is caused by a faulty coolant temp sensor. Nothing to do with the map or tune. Dealership will fix it under warranty.
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      12-18-2010, 08:32 PM   #7
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I just scanned my car and found the 2EE3 code. I read on another thread that the PROcede can cause this. Is that true? I don't have any overheating issues or anything like that.
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      12-19-2010, 09:31 AM   #8
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In my case, my car would loose boost and throw the 2EE3 or 12003 code. I finally replaced the coolant temperature sensor and this seems to resolve this. However, I recently started throwing the code again. The car runs fine in stock mode (when I remove the Prodede). However, with the Prodede installed I started getting limp mode and code again. Currently I sent my Procede unit back to Vishnu Performance for diagnosis...
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      12-19-2010, 12:54 PM   #9
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Quote:
Originally Posted by rustyrotors View Post
In my case, my car would loose boost and throw the 2EE3 or 12003 code. I finally replaced the coolant temperature sensor and this seems to resolve this. However, I recently started throwing the code again. The car runs fine in stock mode (when I remove the Prodede). However, with the Prodede installed I started getting limp mode and code again. Currently I sent my Procede unit back to Vishnu Performance for diagnosis...
That's what happened to me. The car lost all boost randomly. Everything was fine after I restarted the car but the code was stored, although it was triggered several hundred miles ago.
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      05-22-2011, 02:49 AM   #10
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Quote:
Originally Posted by rustyrotors View Post
In my case, my car would loose boost and throw the 2EE3 or 12003 code. I finally replaced the coolant temperature sensor and this seems to resolve this. However, I recently started throwing the code again. The car runs fine in stock mode (when I remove the Prodede). However, with the Prodede installed I started getting limp mode and code again. Currently I sent my Procede unit back to Vishnu Performance for diagnosis...
My recently acted up same, no limp mode but car won't hit full boost and also DS mode won't engage. But once I restart the car, bacl to normal for few days. Few WOT, does the same thing again. What did Vishnu tell you after checking your PROceed? I did replace coolant sensor once...I wanna make sure it's Coolant Sensor related not PROceed.
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      05-22-2011, 02:56 AM   #11
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It's not the coolant temperature sensor as confirmed by my BMW Tech and by others' experiences. It was a PROcede issue with some older maps. I haven't gotten the code in a couple of months.
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      05-22-2011, 03:02 AM   #12
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Quote:
Originally Posted by NiVeDh View Post
It's not the coolant temperature sensor as confirmed by my BMW Tech and by others' experiences. It was a PROcede issue with some older maps. I haven't gotten the code in a couple of months.
Hmm I should try to upload the 5-10 map to see it that code goes away. I'm currently running 3-30 map, and this coolant sensor code & radiator blind? code is keep coming back. So you think both of them are PROceed related? Did you also experience DS mode not engaging?
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      05-22-2011, 03:06 AM   #13
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Originally Posted by creaminz View Post
Hmm I should try to upload the 5-10 map to see it that code goes away. I'm currently running 3-30 map, and this coolant sensor code & radiator blind? code is keep coming back. So you think both of them are PROceed related? Did you also experience DS mode not engaging?
I never had the radiator blind code, only 2EE3. I have a 6MT - no transmission issues related to this.

I've had the 2EE3 code multiple times with the older maps (before 3-30). I wasn't particularly beating on the car - just normal city driving - and it happened. The symptoms included the oil temperature dropping, from 240F to 170F in a matter of minutes, and the radiator fan going on at full blast.

The code means "coolant temperature sensor, plausibility, gradient". The BMW Tech said that the code doesn't actually mean that the coolant temperature sensor is defective as that would probably cause it to not read anything. It means that the coolant temperature somehow increased over the set limit or it did this "too quickly" (hence the "gradient").

I seriously doubt the coolant was actually overheating... probably just a PROcede glitch which has been resolved in the new maps as far as I can tell.

I don't know what the radiator blind code means but my bet is, it's the PROcede. You never know with these beta maps.
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      05-22-2011, 03:12 AM   #14
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Oh I see, Thanks for your help NiVeDh! I will wait until Official maps then to see what happens
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      05-22-2011, 07:26 AM   #15
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Replacing the coolent temp sensor did not fix my 12003 issue. I eventually sent my procede to Vishnu for evaluation and they sent me a replacement unit. Have not had any issues since!
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      05-22-2011, 04:21 PM   #16
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Quote:
Originally Posted by rustyrotors View Post
Replacing the coolent temp sensor did not fix my 12003 issue. I eventually sent my procede to Vishnu for evaluation and they sent me a replacement unit. Have not had any issues since!
I should contact them, thank u!
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      05-31-2011, 09:17 PM   #17
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I just got the same symptoms and code again with the Procede V5 5-10 maps. The car went back to normal after I turned the engine off and on. I'm telling myself I just have to put up with it for a little bit longer... only until Cobb releases stage 2 maps.
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      05-31-2011, 10:30 PM   #18
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That sucks... sudden power loss is very scary...
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      07-28-2011, 01:31 AM   #19
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Bump - Just had the same code pop up for me.

I was driving home and i noticed all of sudden i had a very hard time building up full boost... i decided to turn on my performance steering wheel and noticed my coolant temp was 207C and my oil was only 94C. Normally the coolant is around 110C and oil is around 120C.

I didnt know if i should pull over or what, at 200deg i was surprised my car was even running and didnt blow the rad apart. I ran the codes and got the 2EE3 coolant sensor code.

After letting the car cool down i went for a rip and warmed the car up, i noticed on the steering wheel the coolant temp would warm up like normal, but it wouldnt go higher then 93C. It would ocasionally jump from 95C to 105C then right back to ~93C. It seemed obvious that it was just a failed sensor, but after reading this thread it seems its the Procede...

I am running the V4 8-17 maps so its not isolated to a V5 map.

Any word yet on a fix from Shiv? Or is it infact a faulty sensor?
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      07-28-2011, 01:45 AM   #20
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Hmmmmmm

Had the same code thrown a few times back in June.

Seems to have disappeared lately though?

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      07-28-2011, 01:19 PM   #21
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I haven't gotten the code in a while after switching to the new Procede maps.
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      07-28-2011, 01:24 PM   #22
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I think it def is map related. I updated and the problem was gone.
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