When Four Scan Tools Aren’t Enough
About this episode
Ron Ananian discusses the complexities of modern auto repair and the necessity of multiple scan tools.
Ron Ananian, The Car Doctor - August 29, 2026 How many scan tools does it take to fix one car? Sometimes more than you think. Ron Ananian, The Car Doctor, takes you into the service bay with a 2022 Honda HR-V that came in for routine maintenance and turned into a lesson about just how complicated modern auto repair has become. After service and resets, the TPMS and traction-control warnings wouldn’t cooperate. Multiple aftermarket scan tools couldn’t complete the necessary calibration—but access to the Honda factory-level tool finally got the job done. Ron explains why today’s independent repair shop needs more than one scan tool, why factory-level access is becoming increasingly important, and why scan-tool manufacturers need to do a better job of telling technicians the exact conditions required before a calibration or reset can succeed. Also this hour: Tom tries Ford’s new mobile oil-change service and asks whether convenience can really replace putting a vehicle on a lift in a properly equipped shop. A caller battles a terrible interior odor after an ozone-machine treatment, Ron explains permanent diagnostic trouble codes, and there’s an…
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