Cadillac OBD2 Port Location

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⏱ 3 min

Cadillac OBD2 Port Location You have just purchased an OBD-II scanner to check Cadillac fault codes, but are having a hard time locating the place to plug it in. The diagnostic port, also known as OBD-II or OBD2 port, on Cadillac vehicles is located under the dashboard on the driver's side. Look under the dashboard right above the brake pedal.