Fixing U2A200 Fault Code After Audi SCR Off with Foxflash

 Problem:

Successfully read and write Audi Bosch Md1cs004 ECU with Foxflash. SCR off. But scanner shows fault code U2A200 after scr off. Reductant quality sensor no communication.

How to fix it?

Solution:

Just disconnect adblue pump.
Disconnect adblue if the fault doesn’t disappear do dtc off solution as well.

User feedback:

Unplugged Scr unit. Dtc gone. But new in gateway instead for scr.. coded scr out with autel in gateway. Now no issue.

www.iecutool.eu

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