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      05-30-2022, 04:55 AM   #1
nicolacana
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AdBlue DTC errors

Hi everyone,
For a long time (1 year and 10.000km) my car ran without AdBlue (it's a long story and it's a previous owner fault) and after discovering it I filled up the adBlue tank.
After that, I did a 300km trip and parked the car for a month.
Yesterday, the second time I turned it on after the AdBlue filling, I had an highway trip of about 100km and then CEL turned on.
The Wi-Fi OBD I had at home showed these DTC:
  • 29FB00
  • 26EF00
  • 2BB100

Reading in various forums the "before" and "after" NOx sensor could be faulty but I think that there is some sort of crystallized AdBlue inside the pipe because it has been dry for a long time and there's not enough flow.

I would like to lift up the car and try to see if fluid come out from the pipe.
Is it possible to turn on the pump with any software? I have Insta. Is it possible with it?
Can someone tell me how to do it?

thanks everyone
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      06-13-2022, 06:53 AM   #2
nicolacana
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      04-06-2023, 02:09 PM   #3
Nizbm
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Quote:
Originally Posted by nicolacana View Post
Hi everyone,
For a long time (1 year and 10.000km) my car ran without AdBlue (it's a long story and it's a previous owner fault) and after discovering it I filled up the adBlue tank.
After that, I did a 300km trip and parked the car for a month.
Yesterday, the second time I turned it on after the AdBlue filling, I had an highway trip of about 100km and then CEL turned on.
The Wi-Fi OBD I had at home showed these DTC:
  • 29FB00
  • 26EF00
  • 2BB100

Reading in various forums the "before" and "after" NOx sensor could be faulty but I think that there is some sort of crystallized AdBlue inside the pipe because it has been dry for a long time and there's not enough flow.

I would like to lift up the car and try to see if fluid come out from the pipe.
Is it possible to turn on the pump with any software? I have Insta. Is it possible with it?
Can someone tell me how to do it?

thanks everyone

Hello,

I am having the same issue in a BMW X3 G01. Did you manage to get this sorted? Or have any advice on how to deal with issue?

Thanks
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26ef00, 29fb00, 2bb100, adblue, dtc, insta, nox

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