
OBD-A15-R-01
Rear-view camera OBD-coder
for Mercedes Audio15 unit /
VW RSD4000 unit
For connection of a rear-view camera on the Audio15 unit, it is necessary to enable the
head-unit’s rear-view camera input, which can be done with the OBD-A15-R-01 coder.
Delivery contents
Take down the SW-version and
HW-version of the interface boxes,
and store this manual for support
purposes.
HW______________
SW______________
OBD-A15-R-01
Legal Information
Changes/updates of the vehicle’s software can cause malfunctions of the interface. We
offer free software-updates for our interfaces for one year after purchase. To receive a free
update, the interface must be sent in at own cost. Labor cost for and other expenses
involved with the software-updates will not be refunded.
Version 05.04.2024 OBD-A15-R-01

Check compatibility of vehicle and accessories
Requirements
Vehicle Mercedes, VW
Navigation Audio15, RSD4000
Installation
Rear3vie w %
camera
CAB3TVAS2 0
2
1
1
Connect the video RCA of the after-market rear-view camera to the female RCA
connector of the CAB-TVAS20 cable.
- Connect the Fakra plug of the CAB-TVAS20 cable on the green Fakra socket of the
2
Audio15 unit.
Camera coding
Back%of
head unit
1. Locate OBD-port and remove cover
2. Turn on ignition
3. Wait until the head-unit has booted
4. Plug coder into OBD-port
5. Leave coder for about 30 seconds in OBD-port
6. Remove coder from the OBD-port
To reverse the coding repeat steps 1.-6.
After the first use on a vehicle, the coder OBD-A15-R-01 is personalized to this vehicle and
can be used unlimited times to code or reverse coding on this vehicle.
Version 05.04.2024 OBD-A15-R-01

LED information:
LED Status Explication
Lights Coding procedure successfully completed
Green
Flashes Coding process is running
Lights Remove coding procedure successfully completed
Red
Flashes Coding process failed / license violation
Green + Red Lights CAN Communication Error! - Abort of the diagnostic session
Technical Support
CAS GmbH
manufacturer/distribution
In den Fuchslöchern 3
D-67240 Bobenheim-Roxheim
Legal disclaimer: Mentioned company and trademarks, as well as product names/codes are registered
trademarks ® of their corresponding legal owners.
Version 05.04.2024 OBD-A15-R-01