vw simos3.3a P0420 dtc

[karmoranas]

hello friends, maybe someone have solution to turn off this DTC p0420 or lambda off? 16804-Catalyst System Bank 1 P0420 efficencie below threshold

i need working solution, for example xdecoder doesnt work, still get fault after 1 day .


file is from obd with kess

[lukasz12345]

here your off file.

If you are using kess or mpps the files won't work.
(Kess -mpps Doesn't write full flash.
You need to use the programmer "tl866 want t56. Etc.

...............Thanks + rep ....................

[voltechcar]

vf2 flasher read and write eep and flash by obd or bench, also i-o terminal.