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The OnRetul V100 is a corded OBD2 scanner for cars, SUVs, light trucks and trucks from 1996 onward. It plugs into the OBD-II port and shows engine fault codes on a 2.3-inch LCD, with a Windows 10 companion app for deeper reading. It is a basic code reader, not a bidirectional tool: it reads and clears engine codes but cannot run ABS, airbag or live-graph diagnostics the way mid-range scanners do. Owners report it works for quick check-engine checks, but some units arrive unable to read codes at all, so build and firmware consistency are the weak point.
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Availability unknownSold by consignman9th (99.7% positive, 2,100 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $8.99 on Nov 9 at Amazon. Tracked across 3 stores since Nov 9.
Owner feedback is mixed. People who got a working unit call it a quick, no-fuss way to read a check-engine code, but a share of buyers report units that could not read codes at all.
