Sharan 2,0TDI 103kW 2011: Dealing with P229F00 and P20EE00 NOx Sensor Errors after Long Drives

Hi,

someone was working on a problem in Sharan with errors like this:
P229F00 - NOx sensor 2, row 1, Signal incomprehensible
P20EE00 - SCR NOx catalyst, row 1 - efficiency too low

mistakes only come out after a long drive. Probably it has a relationship, in addition, the engine controller sees 99.5% of the adBlue level, and the indicators have a range of 1000 km, which is communicated on the meter display.

greetings

NOx sensor to be replaced

How about you with the range indicator? I noticed that the engine driver sees the level we enter, i.e. when I reset the filling, the value will be 100%. It is possible that the fluid level sensor or the beam is damaged and it does not throw errors?
I found a message somewhere that these errors are caused by missing Adblue

Can you undo the boot lock? Erase the errors in the engine controller, but the set of indicators will include a message check the adblue level and depending on the version of the engine controller software, the start-up lock can be undone by the procedure. With newer software, deleting faults will also delete the message in the instrument cluster, but the fault will come back because the NOx sensor is damaged

Hello, I will step on the topic because I have a similar problem.
Sharan 2011. 2.0TDI 170KM there was a notification to add Adblue and a countdown from 1050 km.
the program shows the error P20EE00 the efficiency of the NOx catalyst below the threshold value Block 1- constant
After deleting, the error has not returned yet, but the message on the board is still visible. The fluid, of course, supplemented with a max. Maybe 3 liters in.
Any diagnosis?

The message can only be cleared by resetting the system fault message scr in the instrument cluster. This is done while driving
, annoying topic.

The subject turned out to be really annoying. After starting the procedure of resetting the message in the instrument cluster (VASPC program), the program asks for ignition only, then counts down 60 seconds, then turn on the ignition, start the engine and here the stairs begin. The program as if it did not recognize that the engine was running. VAS asks if there were problems with starting the engine and two options to choose from: YES - the engine does not start. NO - the engine has not yet started
Please tell me what to do with it.

Hello gentlemen. Have you resisted these errors because I have the same topic. Sharan from 2011 mileage 130 thousand. I deleted the errors and the counter continues to count down. And I don't know where to start. I am asking for advice.

Regards

Pietka 1
I took care of the topic by removing the adblue system in the car driver. Since then, there are no mistakes related to this pseudo-ecological crap. There are a lot of magicians on the net who can modify the soft. Just browse OLX

So far I have not thought about disconnecting this crap, I am trying to do something about it because the counter is counting down, there are already 150 km left until the engine is not started.
And he knows, there are mistakes, as if someone was to lose it.

Address 7E8: 2 - number of errors found. Here they are:
P20EE - SCR NOx catalyst; team 1: efficiency too low
P229F - Sensor 2 NOx; team 1: implausible signal.

After it was deleted, it came back

Address 01: Engine (J623-CFFB) Labels :. 03L-906-018-CFF.clb
Part No SW: 03L 906 018 HH HW: 03L 907 309 Q
Component: R4 2.0l TDI H24 9980
Verification: 44H24 --- Serial Number:
Coding: 0019003A042401080000
Service code: WSC 33804 184 00000
ASAM dataset: EV_ECM20TDI01103L906018HH 003015
ROD: EV_ECM20TDI01103L906018H.rod
VCID: 77FCD340CECD45FEA0-8022

1 error found:
15733 - SCR NOx catalyst; team 1
P20EE 00 [101] - efficiency too low
Unconfirmed - Tested since erasing error codes
Frame frozen:
Error Status: 00000001
Fault priority: 2
Error rate: 1
Mileage: 136 161 km
Date: 2018.02.12
Time: 09:01:26

Engine speed: 2078.50 / min
Normalized load value: 67.1%
Vehicle speed: 113 km / h
Coolant temperature: 85 ° C
Intake air temperature: 7 ° C
Atmospheric pressure: 990 mbar
Terminal 30 voltage: 14.940V
Learning cycle counter after OBD: 40
Long-term adjustment of reducing agent dosing: 1.00
Measured NOx conversion: -0.500
Calculated NOx conversion efficiency: 0.868
NOx conversion efficiency threshold: 0.300
Current temperature in the NOx reduction catalyst: 263.0 ° C

Hello

I have been struggling with it recently, when it comes to 0, you will not start the engine, but if you delete errors from the engine (even if you do not have them), it will appear 50 km on the meter
eventually NOx needs to be replaced

Regards

Hello .

I did it:

VCDS-> Engine-> Basic Settings-> Check of SCR efficiency ends with the message "Aborted-Safety reasons | Cancel" after 20 minutes.

The Adblue light and the countdown have gone out.

Regards

Hello .
And I am struggling with the NOx probe
Listed and continues to count down
Tried doing the above procedure and thread
Grinds for an hour and I don't have the '' Cancel '' message
This is only done with the ignition on? or while driving?

I still searched VCDS for other procedures related to Adblue and it did it.

Hello mate.
You do this procedure with the engine running, it takes about 12-15 minutes. Condition, before this procedure you have to clear all errors.

Well, go ahead with the car and the cable in the (second) hand!
And I ..... grind it in the parking garage. Oh yo y :oops:

Thanks !

Hello
I have a VW Passat b8 2.0 bitdi 240km, CUAA engine code, an error on the board - adblue fault and info about engine immobilization after 1000km.
Error with VCDS 29630 (P218F00 in the attachment) - adblue pump fault according to the service.
The pump has been replaced and the check is still on the display, the error in the VCDS does not return.
I am asking for help on the subject





Added after 2 [minutes]:

Pietka 1 wrote:

Hello mate.
You can do this procedure with the engine running, it takes about 12-15 minutes. Condition, before this procedure you have to clear all errors.

Buddy, will VCDS do the trick?
The engine has to be started or is everything going on while driving ???

If you could describe the procedure in more detail, I would be very grateful.

Hello

I also did VCDS.
You do it all while stationary and with the engine running, of course, before this procedure, delete all errors in the ECU.
How do you get it
You enter the controller 09 engine, then select the basic settings. Then we look for a command such as CHECK SCR EFFICIENCY. You select this option and then confirm with the GO button, after a while the program tells you to Press and hold the brake pedal A and then the accelerator pedal. The car will go up to a higher speed by itself and hold it until the end of the entire Adblue system check cycle.
It takes about 8 minutes.
If everything is in order, the Failure indicator and the Adblue countdown will go out after the entire procedure.

I hope it all flop ?

Regards

Man, I don't know if I have a problem with VCDS
, no disease tells me when to press a given pedal.

The procedure without pressing is also successful, but the error is still visible on the board

You only have to count on it to go out by itself
I did not manage to do the adaptation procedure according to Pietek 1.
Self-adaptation took place after a long drive on the highway. But that was about replacing the NOx probe.
Will it be the same with the pump? You have purely bugs in VCDS in engine group 01 . Maybe it also needs time for a push-up?
Oh, in VCDSie in adaptation blocks there were other adptive procedures from Adblue. I think there was something for a push-up.

Hello
Provides a link to a video that I once recorded and just posted now.
My whole procedure which I wrote about earlier.
Regards


https://youtu.be/91Ee3uWs2CE

Problem solved
Burnout of the dpf filter (first driving, then at a standstill, the engine increased speed, the fans started to work and a characteristic smell - I kept it idling 2.5k rpm until it was finished).

Then, according to the procedure described in German forums, further motorway driving - Engine revolutions in the range of 1500, 2100 rev. , the gearbox is set to manual mode in top gear, then we drive at a steady speed for 5-6 seconds, then press the gas sharply for 5-6 seconds and suddenly take the gas off the throttle.

I did it a few times - the error was still there, the car was off for about 1 hour and after restarting it was ok.
There are no errors :D

Thank you for your help.

And during the afterburning test, I get the message "interrupted for safety reasons" and during the attempt to "check the efficiency of the scr".
Do you enter any login?

Buddy, the link at the top you have given. It also happened to me that it was interrupted due to safety, I turned off the computer and turned it on again, it went without a problem.

to my knowledge, it is still clear to perform this procedure (Check of SCR efficiency) to reset the ad blue reserve light.
- there must be a locked door in the vehicle.
- manual on.
- warm engine.

That's right, the engine has to be warmed up, I experienced this myself.

Hello
Yesterday, the problem with Adblue appeared again - has anyone encountered the error P204F00 (Reducing agent system - team 1)
After removing the error from the engine controller, it does not exist and does not return, while the clock calculates the time to immobilize the car and displays the message Malfunction: AdBlue. It will not be possible to start the engine in 1000 km

bartek60001 what was the fate of adblue error for you? I have identical symptoms (also cuaa bit engine).

Added after 14 [minutes]:

bartek60001 what was the fate of adblue error for you? I have identical symptoms (also cuaa bit engine).

neswiedz wrote:

bartek60001 what was the fate of adblue error for you? I have identical symptoms (also cuaa bit engine).

Added after 14 [minutes]:

bartek60001 what was the fate of adblue error for you? I have identical symptoms (also cuaa bit engine).

The indicator itself went out after adding Adblue - unfortunately until today - it shows the same error

>>18399531 I ended up visiting a mechanic, pumping out the AdBlue fluid, resetting the AdBlue controller and pouring the fluid again. It is likely that the lines became clogged during refuelling and the controller received readings outside the ranges. After this it has been quiet for 4 years.