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Fault code readers on this page are all suitable for the GMC range. You will need to ensure that your vehicle has 16 pin OBD2 (OBDII) diagnostic port, which is a standard port for reading vehicle information. All vehicles from 2001 onwards should have this port installed.
If your vehicle is older than 2001, you may require an adapter (manufacturer specific) to hook the tools upto your vehicle.
To our knowledge, the code readers on this shown here are suitable for the following GMC models: terrain, sierra, yukon, envoy, yukon xl, 2500hd, 3500hd, acadia, canyon regular cab, canyon double cab, canyon crew cab, savana, jimmy, safari.
You may find a different selection of GMC code readers at Dominator Auto Diagnostics