SB
Select variant
Select variant
Diagnostic port location (OBD)
RHD (Australia-only market): Passenger-side footwell (left side of cabin), inside the secondary fuse box located behind or below the glove compartment area. The Corsa B platform uses a proprietary Opel/GM 10-pin diagnostic connector, not a standard 16-pin OBD-II port. A 10-pin to 16-pin OBD2 adapter cable is required for modern diagnostic tools. The connector sits at the end of the fuse rows inside the fuse box. Same location across all SB trims (City, Joy, Swing, GSi).
Remove the fuse box cover on the passenger side (left of cabin on RHD) by pulling it towards you — no tools required. The 10-pin diagnostic plug is located inside the fuse box at the top-left corner when viewed from the front. A Vauxhall/Opel 10-pin to 16-pin OBD2 adapter lead is needed to connect modern scan tools.
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