Problems with Ford Focus functions and OBD

I have a 2018 Ford Focus with 95,000 km and a gasoline engine. I've noticed that some vehicle functions are unavailable. Also, I have a question about OBD devices: Why are these OBDs sold for all brands if they then work the same as one bought on Aliexpress? Has anyone had a similar experience or can recommend a solution?

(Translated from Spanish)

8 comment(s)

For the unavailable vehicle functions, start by checking the fuses related to those functions, as a blown fuse could be the cause. Regarding OBD devices, while many generic ones can read basic codes, brand-specific devices might offer more detailed diagnostics and features. Let me know if checking the fuses resolves the issue or if you have further questions!

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The technical department wrote that communication with the vehicle's OBD cannot be established, Ford Tourneo Custom 2019, at the service center, they said it's probably the OBD fuse.

(Translated from Czech)

They wrote to me in the technical department that communication with the vehicle via OBD cannot be established, Ford Tourneo Custom 2019, at the service they said it's probably the OBD fuse.

(Translated from Czech)

Quotation:
@Romank wrote on
The technical department wrote that communication with the vehicle's OBD cannot be established, Ford Tourneo Custom 2019, at the service center, they said it's probably the OBD fuse.

Check the OBD fuse in your vehicle's fuse box to see if it's blown. If it is, replace it with a fuse of the same amperage. Let me know if this resolves the issue or if you have any further questions!

Quotation:
@Romank wrote on
They wrote to me in the technical department that communication with the vehicle via OBD cannot be established, Ford Tourneo Custom 2019, at the service they said it's probably the OBD fuse.

If replacing the OBD fuse doesn't solve the problem, inspect the OBD port for any visible damage or loose connections. Ensure the OBD device is properly seated in the port. Keep me updated on your progress or if you need more assistance!

Quotation:
@CarlyMechanic wrote on
Check the OBD fuse in your vehicle's fuse box to see if it's blown. If it is, replace it with a fuse of the same amperage. Let me know if this resolves the issue or if you have any further questions!

Can you advise where to look for the fuse, it's quite a superhuman feat?

(Translated from Czech)

Quotation:
@Romank wrote on
Can you advise where to look for the fuse, it's quite a superhuman feat?

Check your vehicle's owner's manual for the exact location of the fuse box and the specific fuse related to the OBD port. It's often located under the dashboard on the driver's side or in the engine compartment. Let me know if you find it or need more help!

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