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Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #

Posted by Simon Hanley on August 11, 2015, 11:34 am

Year of Manufacture *: 2010
Engine Size and Code *: 2.2
( Optional ) Scanner Used: verus
( Optional) Fault Codes: p2bac

Had this vehicle in for limp mode fault regen the dpf and replaced a pressure sensor now drive fine but go into limp every no and then and post the code P2BAC NOX EXCEEDED EGR DEACTIVATED
Any help with this fault code would be handy as snap on scanline are less than useless and just told me to take it to the main dealer
many thanks
rust

Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #

Posted by Ian Baxter <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1560' width='330' height='300' border=0 style='border:none;'> on August 14, 2015, 8:26 am, in reply to "Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #"

Hello Simon,
That code is not a fault code, I think its an "Event" code.

You will need to scan for further codes or mechanical faults

Ian

Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #

Posted by Peter Mashiter on September 19, 2015, 6:13 pm, in reply to "Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #"
Edited by board administrator September 21, 2015, 11:38 am

Check pressure sensor pipe network from it for leakage they can go porous & not obvious at first glance.

Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #

Posted by Peter Mashiter <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3935' width='330' height='300' border=0 style='border:none;'> on September 27, 2015, 2:18 pm, in reply to "Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #"

I can see where your coming from Ian!
The fault code is outside the standard fault code table but if it's a event code why does the vehicle lose performance / limp mode??

Surely it's a genuine fault!!

Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #

Posted by Ian Baxter <iframe src='https://members.boardhost.com/ukautotalk8/info/user=UKAT1560' width='330' height='300' border=0 style='border:none;'> on September 28, 2015, 9:58 am, in reply to "Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #"

Hello Peter,
These fault codes are listed by Mercedes as "Event" codes
I don't have a definition for this exact code, But I do for other Event codes i.e

P2BAB00. This relates to excessive nitrogen oxide emission/exhaust gas recirculation rate is too high.

The definition/remedy is,
1, This fault code occurs if an emissions relevant component fails.
2, Process other fault codes first of all.
3, If no further fault codes are present ignor this fault code.

Then there is is a note refering to,
1, This code serves to meet legal requirements of NOx limit etc
2, The fault code is automatically rest after 400 days.

But as I said earlier i don't have information for the P2BAC event code.

Regards,
Ian

Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #

Posted by Joe O'farrell <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3685' width='330' height='300' border=0 style='border:none;'> on October 1, 2015, 8:53 pm, in reply to "Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #"
Joe O'farrell

Hi Simon,
Did you have any luck with this?
As I've got a Crafter in next week with the same fault, code will not clear.
Thanks
Joe

Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #

Posted by Nick Denmark <iframe src='https://members.boardhost.com/ukautotalk8/info/user=ukat3811' width='330' height='300' border=0 style='border:none;'> on October 21, 2015, 4:07 pm, in reply to "Re: Mercedes Sprinter 2.2 2010 - Code P2BAC NOx exceeded EGR deactivated #"
Nick Denmark

Hi,

Ive had this on 3 or 4 times and has always been the vacuum solenoid valve below the egr pipe on the right hand side

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