E21 (1st Gen)
Key reference: 5HG959753B
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Diagnostic port location (OBD)
Illustrative — for orientation only.
RHD (UK): Driver's footwell, to the right of the steering column, above the footrest. The 16-pin connector faces downward and is immediately visible when looking up from the footrest area. Same location across all ID.4 trims (Pure, Pro, Pro Performance, GTX). LHD: Driver's footwell, to the left of the steering column, above the footrest. Same position mirrored.
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