Fault codes 2C7C and 2C7B

Lambobimmer · 07-26-2011, 08:53 PM

I am getting the following fault codes and I cannot figure out why. I am wondering if anyone else have gotten these codes and what caused them.

2C7B After cat o2 Sensor signal, Bank 1
2C7C After cat o2 Sensor signal, Bank 2

I have the following mods

AA downpipes with BMW dp fix
Cobb Tune

Lambobimmer · 07-26-2011, 08:59 PM

Sorry, wrong thread. I meant to put this under N54.

07-26-2011, 08:53 PM	#1
Lambobimmer Major 292 Rep 1,473 Posts Drives: 2022 X3 M40i, 2018 TTRS Join Date: Jan 2010 Location: Tarheel iTrader: (14)	Fault codes 2C7C and 2C7B I am getting the following fault codes and I cannot figure out why. I am wondering if anyone else have gotten these codes and what caused them. 2C7B After cat o2 Sensor signal, Bank 1 2C7C After cat o2 Sensor signal, Bank 2 I have the following mods AA downpipes with BMW dp fix Cobb Tune
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07-26-2011, 08:59 PM	#2
Lambobimmer Major 292 Rep 1,473 Posts Drives: 2022 X3 M40i, 2018 TTRS Join Date: Jan 2010 Location: Tarheel iTrader: (14)	Sorry, wrong thread. I meant to put this under N54.
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