Odometer Rollbacks: A Hard-to-Spot Nuisance for Car Shoppers
A web search for “vehicle mileage correction” revealed a number of enterprises that offer rollback services. The companies, at least superficially, discourage illegal tampering, but that doesn’t mean they won’t do it. The website of one says, “We require that all customers seeking mileage correction services have a legitimate reason for concern, as it is illegal to alter your car’s mileage and not disclose that information to potential buyers.”
The mileage adjustment costs $120 on one site. The instrument cluster must be removed and shipped to the supplier, which alters the reading and sends it back.
Odometer mileage can also be altered with a tool that plugs into the OBD2 port — a connector that enables mechanics to read service codes reporting failed components.
To determine how difficult it might be to trim vehicle miles, I bought a $120 odometer rollback tool — the least expensive of those offered on eBay — to give it a try.
The device was for G.M. vehicles, so I tested it on a 2014 Equinox. The tool is meant solely for altering an odometer’s reading — once powered up, it goes right to a screen that says “Cluster Calibrate.”
The tool correctly read the mileage as 78,624 kilometers, or roughly 48,855 miles, but two attempts to reset the odometer were unsuccessful. Tampering may be relatively easy, but it apparently requires a quality device. After the test, we disabled and discarded the tool, as advised by a law enforcement official.
There are ways to help detect odometer tampering, although they’re not foolproof. For example, a check for excessive wear on the car’s frequently touched parts can provide clues to true mileage. The pedals are good indicators: Be suspicious if those in a car showing moderate mileage, say 45,000, show extreme wear or, because pedals can be changed, no wear. Either might indicate something awry. Also look at the inside of door handles, the steering wheel, armrests and anything else that is touched regularly.
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