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OBD II Port Doesn't Work - Tacoma World
Check the ODB fuse. It's in the engine bay, on the driver's side. Fuse #7. It's 7.5 amp. Some people have said to the 20A EFI fuse in position 19, but if that's blown you have bigger issues. Anyway, I checked all my fuses, even the ones inside the cab. Check the wiring between the port, fuse box, and ECU. Unplug battery for 30 seconds, plug ...