U140A trouble code A3 2010 TDI 2.0 CR

Hi, I got such engine trouble code in ECU unit

AUDI A3 2010 2.0 TDI CR

8169 - Terminal 30
U140A 00 [175] - Open Circuit
MIL ON - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
v Fault Frequency: 1
Mileage: 70280 km
Date: 2000.00.00
Time: 00:00:00

I can't find anything about it. Can you help?

Can you please pm me full scan of car.

There r no more trouble codes ;(

Everything is clear now. The problem was in ECU. Battery was dead and somebody exchanged wires from external battery. This fried terminal 30 EDC17 ECU connection. It works normally but this trouble code is now permanent.