B8 / B8.5 (8K) - saloon, Avant, allroad, incl. S4 / RS4
Key reference: 8K0959754A
Select variant
Select variant
Diagnostic port location (OBD)
Illustrative — for orientation only.
RHD (UK): driver's footwell, low under the dash to the right of the steering column (door side), just above the accelerator pedal and right next to the bonnet-release lever. The 16-pin socket is pink/purple and faces down - kneel in the footwell and look up under the lower dash edge. LHD: mirror image - driver's footwell, under the lower dash on the left (door) side of the steering column, above the pedals near the bonnet release. Same position on saloon, Avant, allroad, S4/RS4 and pre- and post-facelift (B8.5) cars. Don't confuse it with the fuse panel in the end of the dashboard, which is only visible with the driver's door open.
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