Car Data | Audi A4 All Apr 2008 - Apr 2009

SmartCAN and ByPass Relay towbar wiring instructions for an Audi A4 All Apr 2008 - Apr 2009

The boxes below show key fitting details Cable entry point, CAN connection details, etc. Alphanumeric references (e.g. A4) refer to the car map at to foot of the page .
Socket cable entry point See note below
Longer Cable Required?
Power Source
Constant Live Colour
Fusebox/Battery Location
Add Fuse
Compatible SmartCAN Module/Kit TF2302, TF2351
CAN HI/LO Location
HI/LO Pins/Colours
Hard Brake Connection
Is Data Two Way?
Link to Recode Data N/A
Audi A4 and A5, vehicles built March-April 2008 to March-April 2009 . Most models need extensive modification to their cooling systems and, possibly a new alternator to accommodate towing. Vehicles built April 2009 and after are OK

Wire colours and locations, use LED type probe to confirm correct wire in given location.

Compatible ByPass Relay
Other Appropriate Relay
Lights Wire Colours Alternative Location Comment
Wiring Diagram