5th Gen (GMT T1XX)
Key reference: 13541565
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Diagnostic port location (OBD)
Illustrative — for orientation only.
Driver's footwell, under the instrument panel to the left of the steering column. No cover — the 16-pin OBD-II connector faces downward and is accessible at knee level without removing any trim. Consistent across all Tahoe trims including LS, LT, Z71, Premier, and High Country.
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