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How to Identify if a Mileage Counter Has Been Rolled Back

Model: (Various brands) Various
Part: Checks and maintenance

Video tutorial

In this video, we will see how to check if a vehicle's mileage counter has been rolled back, using an OBD2 device capable of reading real-time data, such as the Thinkdiag2, which can be found on Amazon with the code B09YR8SCTP for £149.00, with free delivery for Prime customers, and a mobile app like Thinkdiag+. You need to access the individual control units and look for the initial mileage, checking if it has stored data on the distance travelled, which has a different name for each brand.

For recent cars, the mileage should match.

If the car is older, it may not be exactly the same but will differ only slightly. When mileage is rolled back, no one thinks to update the control units, but only the mileage counter.

You can also check the radio's working hours, from which you can estimate the kilometres travelled: this is not a precise check but can give you an idea.


Updated on 21 September 2026 by ScegliAuto


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