yes the camera is the flip badge type and yes it is opening once reverse without any error.

my car is 4 motion full automatic with VR6 engine.
the fault from 6C control module is below with software version and it came from CC as per the seller from eBay:

Saturday,27,July,2019,14:46:12:53651
VCDS Version: Release 17.1.0 Running on Windows 10 x64
Ross-Tech: Home
Address 6C: Back-up Cam. Labels: 5Q0-907-441.clb
Control Module Part Number: 7N0 907 441 B HW: 7N0 907 441 B
Component and/or Version: VW428 RVC Mid H04 0040
Software Coding: 01730001C301000300
Work Shop Code: WSC 12345 123 12345
ASAM Dataset: EV_CamSysRearPANAVW428 002002 (VW46)
ROD: EV_CamSysRearPANAAU914.rod
VCID: 306F76E56BF2C0C17F-8064
2 Faults Found:
9591825 - Video Signal Line
B125C 11 [009] - Short to Ground
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 3
Fault Frequency: 1
Reset counter: 185
Mileage: 73438 km
Date: 2072.14.00
Time: 23:00:05
active: waiting for return message
13705536 - Databus
U1121 40 [009] - Missing Message
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 185
Mileage: 73438 km
Date: 2072.14.00
Time: 23:00:09
active: waiting for return message


Thanks a lot for your time and assistance