Reviews, comparisons and buying advice for OBD2 Code Readers — the important features, the differences that matter, and how to get the best value. Part of our Automotive Diagnostic Tools guides on WinchInsider.
How we researched this guide For this guide we compared 5 shortlisted code readers, checked 7 maker listings and manuals, and reviewed owner coverage from 5 independent sources, including hands-on scanner coverage and lineup analysis. No workshop testing is claimed: every specification below comes from maker listings or published manuals, and owner points are paraphrased
The cheapest way to waste money on wireless diagnostics at this ceiling is to buy an adapter that will not pair with the phone already in the pocket, then pay a shop to read a code the adapter could have read. At this ceiling the question is not whether an adapter is wireless, but whether
The cheapest way to waste money on code readers is to buy the wrong form: a wired reader for a buyer who wanted a phone screen, or a wireless adapter for a buyer who wanted a tool that works with no phone at all. At this ceiling the question is not only whether a reader
The cheapest way to waste money on wireless diagnostics is to buy an adapter that will not pair with the phone already in the pocket, then pay a shop to read a code the adapter could have read. At this ceiling the question is not whether an adapter is wireless, but whether it works with
The cheapest way to waste money at this ceiling is to buy a reader that looks like it fits, then discover at checkout that the offer that fit has expired, or that the reader needs a phone system the buyer does not own. At this ceiling the question is not whether a reader is cheap,