Steering wheel button control adapter for Audi / Seat ACV SWC 42A-1300-001-0

steering wheel adapter for Audi A1 (8X) (07/10->04/18), A3 (8P) (05/03->04/05, 10/04->04/13), A4 B6 (8E) (11/00->10/05), A4 B7 (8E) (11/04->02/09), A6 (C5/B4) (05/01->03/06), Q3 (8U) (10/11->11/14, 02/15->06/18), R8 (42) (04/07->05/15), TT (8J) (09/06->04/10, 08/10->04/14) and Seat Exeo (3R) (03/09->05/13)
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Steering wheel button control adapter for Audi / Seat ACV SWC 42A-1300-001-0

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Steering Wheel Control Adapter for Audi / Seat ACV SWC 42A-1300-001-0

Retain the original radio control functions from the steering wheel when replacing the original radio with an aftermarket unit. Depending on the vehicle's equipment, the range of functions, and the software of the newly installed radio, some functions may be limited or replaced by others. Compare the displayed wiring connectors with the connectors in your vehicle to ensure they match both technically and visually. Check whether any of the listed OEM radios were originally installed. Before final installation, verify the vehicle's functionality, system settings, and correct operation of steering wheel control (SWC).

Designed for Cars

Audi A1 (8X) 07/2010 -> 04/2018 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E. Compatible with vehicles with OEM Chorus radio with monochrome display without SD card. Not for vehicles with SD card slot, OEM navigation, TFT dashboard, or OEM BOSE system.
Audi A3 (8P) 05/2003 -> 04/2005 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E.
Audi A3 (8P) 10/2004 -> 04/2013 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E.
Audi A4 B6 (8E) 11/2000 -> 10/2005 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E.
Audi A4 B7 (8E) 11/2004 -> 02/2009 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E.
Audi A6 (C5/B4) 05/2001 -> 03/2006 - vehicles with OEM RNS-E navigation.
Audi Q3 (8U) 10/2011 -> 11/2014 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E. Compatible with vehicles with OEM Chorus radio with monochrome display without SD card. Not for vehicles with SD card slot, OEM navigation, TFT dashboard, or BOSE.
Audi Q3 (8U) 02/2015 -> 06/2018 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E. Compatible with vehicles with OEM Chorus radio with monochrome display without SD card. Not for vehicles with SD card slot, OEM navigation, TFT dashboard, or BOSE.
Audi R8 (42) 04/2007 -> 05/2015 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E.
Audi TT (8J) 09/2006 -> 04/2010 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E.
Audi TT (8J) 08/2010 -> 04/2014 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E. If the OEM amplifier does not work, coding change is necessary – switch from CAN activation to Remote (control unit J525 > Activation 1 Remote, 0xxx?xx), if possible.

Seat Exeo (3R) 03/2009 -> 05/2013 - original Blaupunkt / Matsushita / Grundig radio (Concert II / Symphony II / Chorus II) or BNS 5.0 / RNS-E.

CAN Bus Information

Connectors and Power:

Connector: 40-pin Quadlock VAG.
Support for OEM amplifier 2-channel / 4-channel – output via RCA (male) front/rear.
Blue wire: +12 V REMOTE for amplifier activation.

Settings:

Check DIP switches according to the type of aftermarket radio.

Special Notes:

If unsure about the Audi connector variant: use "Audi/Seat Exeo ISO/Quadlock Amp > RCA free" wiring.
Aftermarket units with output pre-amplifier level > 3 V are recommended; for units with < 3 V, use "Audi/Seat Exeo 40Pin Quadlock Amp > Pro" version.
In case of amplifier shutdown during testing, a noise filter can be added – NF "ground loop isolator".

Diagnostic LED Indication:

Blue flashing: Searching for CAN Bus signal.
Blue steady: CAN Bus active.
Red steady: Active +12 V ignition current.

Important Additional Information

Designed for aftermarket radios from Sony, Kenwood, Panasonic, JVC, Pioneer, Blaupunkt, Clarion, Alpine, LG, Zenec, Becker.
To fully activate the adapter, an additional cable for the specific radio brand is required.

General Installation Guidelines

Verification Before Installation:

Check all control functions and vehicle settings with the original OEM head unit.
Disconnect the original radio (OEM HU) without power.
Check all interface connections to ensure they are correctly connected – without power.

Connection and Wiring Sequence:

Check the interface settings and HW configuration – without power.
Check the connection cable configuration to the HU – without power.
Connect the cable to the HU according to the aftermarket device instructions.
Connect other wires according to the device instructions.
Connect the entire installation to the vehicle – connect the main power connection last.
Perform software configuration of the interface according to the product description or manual.
Configure the aftermarket HU (e.g., steering wheel control, camera, hands-free, antenna power).
Perform a functional test of the steering wheel control and vehicle communication.

Change of Interface Configuration and HU Cable:

Make all changes without power.
Repeat steps 5 to 8 mentioned above.

In Case of Interface or Vehicle System Failure:

Reinstall the original OEM HU.
Start the original unit.
Trigger the shutdown of the CAN Bus system.
Check the HW configuration of the interface.
After CAN Bus shutdown, repeat steps 5 and 6 mentioned above.

When Modifying Wiring or Cable Routing:

Only professionally trained personnel may perform modifications and wiring.
All changes must be verified for manufacturer approval or impact on vehicle warranty before connection.
All modifications must be verified by measurement and comparison with the vehicle's wiring diagram before connection.
Modifications are made at your own risk, without guarantee of functionality.
Modifications are made at your own risk, without guarantee of exclusion of damage to the vehicle, device, or interface.
Pre-installed cable modifications may result in loss of product warranty.