Passat my2001 ABS/ESP problem with coding

[eduardo74]

Suddenly abs unit lost coding now only shows 00000.
Have error 01044 unit wrong coded and g85 sensor not paired.

Tried with new coding, vag do it without problem, but after accept code, turn off ignition and turn on. Now coding back again to 00000?

I have good login and coding.
BTW unit is 8D0 907 389 D D56
login 09555, coding 04255

Any idea?

[eduardo74]

Sorry, solved after test drive

[jarobaldu]

Can you give me the Solution?:giveup:

[eduardo74]

changed g85 steering position sensor with flat cable, made coding and then did test drive