A8 - Air recirculating databus missing

[danfont80]

Hi folks, someone can help me to understand what can be wrong?

faut code:U112100
Status: static
Priority 6
Mulfunction frequency counter 1
Unlearning counter 38

long code: 00 02 00 24 10 01 04 01 11 05 10 40 00 10 14 28

HW and SW number: 5NN907044AJ

many thanks