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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 > conflicting error codes?



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      03-27-2015, 10:44 AM   #1
2kaccordocoupe
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conflicting error codes?

Hi Folks,
Need your help with some check engine codes I'm getting...

I used the procede and picked up these codes.
2c32 11314 Lamba probe in front of cat 2, trimming control
2C3E 11372 Lambda probe in front of catalytic converter 2, control failure or cable transmission failure?

I used a autel OBD code reader and got these.
p2098 $07E8 Post catalyst fuel trim system too lean bank 2
p2272 $07E8 o2 sensor signal stuck lean bank 2 sensor 2

Seems like the procede says pre cat and the autel says post cat. Just looking for help on which one it is?

Procede Rev2A pro5v108 firmware
Map 7-29 - been running on map 0 since november (winter mode) with can clear off

I just cleared the codes last night and did a full reload of the procede firmware, maps etc... Can clear is off so we'll see if they come back

Last edited by 2kaccordocoupe; 03-27-2015 at 10:50 AM.
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      04-02-2015, 06:45 PM   #2
2kaccordocoupe
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Well the same codes came back today, check engine light on dash but nothing registered under check controls within the idrive.

Anyone have any tips or tricks to fix it up or do I need a new o2 sensor?

Which o2 sensor part do I need to change out

Sensor 1 or 2 - Bank 1 or 2? Thanks and happy Easter!
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      06-01-2015, 12:56 PM   #3
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OK, I am still fixing mine as well.
a 535i, N54 I went back to stock about 1yr ago, walnut blasting also a year ago.

first I got 2C32 about 2-3 weeks ago, the only code no others.
check for leak and MAF, surprised my MAF is oily like heck. clean it clear the code with BT.
1 day everything was OK, then got another CEL, 2C3E and 2C2E.
So I have a feeling my pre-cat O2 sensors are bad.
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