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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Normal Codes On a Tuned N55



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      01-10-2013, 02:18 PM   #1
fasteddie222
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Normal Codes On a Tuned N55

I want to make this thread so we can all post up codes that are normal because a lot of people post up threads asking about codes. Here are a few normal ones that come up if your tuned.

3106: Catalytic converter: Efficiency below limit (Catless code)
2C90: Blow-off valve, mechanics: Jammed closed
2774: Mass air flow sensor, plausibility: Air mass compared with model too high
28A0: Throttle-valve angle - intake-manifold pressure, correlation: Limit value exceeded
2e4c
2775
2bc0
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      01-10-2013, 08:15 PM   #2
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Good thread idea. Should be expanded and stickied.
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      01-10-2013, 08:44 PM   #3
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This is nice fasteddie... since I went ISO I get this code 387F (Power management, closed-circuit current violation). I don't know if this is an ISO tuner code. I e-mail terry but I just sent him a bunch of code along with this one so he really didn't tell me anything about it. Maybe if I e-mail him this single code. Car runs great anyways. I think it might be an ISO tuner code because he mention that the board will run hotter with the diode cut, just my guess.
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      01-11-2013, 06:09 PM   #4
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Quote:
Originally Posted by CombatNinja View Post
Good thread idea. Should be expanded and stickied.
Thanks

Quote:
Originally Posted by F335i View Post
This is nice fasteddie... since I went ISO I get this code 387F (Power management, closed-circuit current violation). I don't know if this is an ISO tuner code. I e-mail terry but I just sent him a bunch of code along with this one so he really didn't tell me anything about it. Maybe if I e-mail him this single code. Car runs great anyways. I think it might be an ISO tuner code because he mention that the board will run hotter with the diode cut, just my guess.
I thought it was a good idea because people get codes and freak out thinking there is something wrong with their cars. With this thread they can actually look at what codes come on regularly and shouldn't be worried about. Btw I have no idea what that code means but if terry says is normal post it back up here
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      02-02-2013, 05:08 PM   #5
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This is a great thread. Good thing you posted this. I just got 28A0 today. I took off my downpipe and everything. Do you know what causes this code? Is it just over pressure since jb4 tunes it past stock psi?
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      02-10-2013, 11:05 AM   #6
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Quote:
Originally Posted by xnfsx View Post
This is a great thread. Good thing you posted this. I just got 28A0 today. I took off my downpipe and everything. Do you know what causes this code? Is it just over pressure since jb4 tunes it past stock psi?
I have no idea what causes the code but you don't need to worry about it. My buddy is a BMW tech and he told me not to worry about it so I trust him. If you want email mike@n54tuning.com and he can explain to you why you get that code. Goodluck
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      03-13-2013, 10:13 PM   #7
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New Codes
2e4c
2775
2bc0
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      04-15-2013, 08:35 AM   #8
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I got 3 codes this morning..

387F
28A0
2C90

I'm assuming they're tuner codes & I shouldn't worry about 'em.
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      04-15-2013, 07:00 PM   #9
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P2C57 I've been told is a boost leak .....
P2D43 ... Not sure about this code.
Got the two codes on the track at 120mph on the straight
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      04-24-2013, 06:57 PM   #10
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anyone ever figure out code 387f? terry said something to do with battery cable i have my angel eyes unplugged until alpine sends me a new one could that be it?
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      04-24-2013, 07:22 PM   #11
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Originally Posted by emackin View Post
anyone ever figure out code 387f? terry said something to do with battery cable i have my angel eyes unplugged until alpine sends me a new one could that be it?
I always get that code but have no idea what it is
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      04-24-2013, 07:47 PM   #12
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Finally! This thread is long overdue and needs to be stickied!
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      04-29-2013, 04:18 AM   #13
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New code
Engine fault, reduced power
P2BDA not sure what this is, but i can tell that the power is actually reduced when I push hard
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      04-29-2013, 07:43 AM   #14
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i believe 387f is the battery cable recall code, i just recieved letter in the mail about the recall.
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      04-29-2013, 10:17 AM   #15
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you might want to check "the other site" which has the official codes list from BMW with descriptions and troubleshooting information.

-Jose
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      04-29-2013, 02:42 PM   #16
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FYI 2E4C is the exhaust flap code, should add that to the OP
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      02-16-2014, 12:36 PM   #17
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I want to bump this, because it made me feel a whole lot better about my car.
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      02-25-2014, 02:30 AM   #18
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I keep getting code "2D1B"
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      07-18-2014, 03:33 PM   #19
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Thread revival...will these codes trigger the Service Engine Soon light?
(showing 28A0 and 112F)
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      06-27-2016, 07:32 PM   #20
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101F102 throttle angle - intake manifold pressure, correlation: limit exceeded.

How bad is this code and should I be worried or try to fix it somehow?

Any help would be awesome.
Thanks
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      06-27-2016, 11:17 PM   #21
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Quote:
Originally Posted by TayE90 View Post
101F102 throttle angle - intake manifold pressure, correlation: limit exceeded.

How bad is this code and should I be worried or try to fix it somehow?

Any help would be awesome.
Thanks
Not sure where you're getting 101F102 from, but for me it shows 28A0. I get it from time to time also. I've been told it's a tuner code and should be ignored.
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      06-27-2016, 11:19 PM   #22
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Quote:
Originally Posted by nynyny View Post
Thread revival...will these codes trigger the Service Engine Soon light?
(showing 28A0 and 112F)
28A0 - Yes, if autoclear is not enabled.
112F - I'm not sure what that code is, someone else will have to chime in.
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