GF / GN (3rd–4th gen)
Key reference: 8637A817
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Select variant
Diagnostic port location (OBD)
Illustrative — for orientation only.
Driver's side lower dashboard, beneath the steering column, above the brake pedal. On LHD vehicles (continental Europe) the port is under the lower left dash trim to the left of the pedals. On RHD vehicles (UK) the port mirrors to the right side of the footwell beneath and to the right of the steering column. Standard 16-pin OBD2 connector. For the fourth-generation (2021+ CMF-CD) the OBD port is in the same general dash location but key programming also requires access to the BCM via a secondary 40-pin connector located at the BCM near the fuse panel (under the glove box on RHD vehicles).
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