B6 (8E/8H)
Key reference: 4D0837231A
Select variant
Select variant
Diagnostic port location (OBD)
Illustrative — for orientation only.
LHD: Driver's footwell, lower left of the dashboard, near the bonnet release handle. The 16-pin connector sits above the pedals, to the left of the steering column. No cover on most trims — the connector is exposed and visible when kneeling in the footwell. Consistent across all B6 A4 trims (SE, Sport, S-line, S4, Cabriolet). RHD (South Africa and UK): Driver's footwell, lower right of the dashboard, near the bonnet release handle. Mirror position to LHD — to the right of the steering column, above the pedals. Same exposed connector with no cover.
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