9th generation (W-body)
Key reference: 15824471
Diagnostic port location (OBD)
Illustrative — for orientation only.
Driver's footwell, below and to the left of the steering column, above the footrest near the brake pedal area. The 16-pin connector is mounted horizontally, facing down, and is immediately visible once you duck below the lower edge of the dashboard trim — no tools needed to access it. Consistent across all 9th-gen Impala trims (LS, LT, LTZ) and all model years 2006–2013. North American market only (LHD).
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