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Hello,
Our Mazada 5 is showing check engine light with code P0771 and AT light on. It hard shifts into reverse and hard shifts from 1st to 2nd gear. This code is not one I saw on your list when it comes to replacing the TCM. Would you still recommend replacing the TCM with the other issues or do you think it is something else?
Topic starter
Posted : 08/22/2023 9:11 pm
Thank you for reaching out. Unfortunately we cannot do a diagnostic on line You should see your local mechanic. If they say your TCM is faulty . We can definitely can help you with a repair. We do service this part.
This post was modified 8 months ago 2 times by Serge - UpFix Team
Posted : 08/22/2023 9:16 pm