Mongoose J2534 Pro
Hardware / interface
Single-brand J2534 pass-thru cable, sold in versions for Toyota Techstream, Jaguar Land Rover SDD and Volvo VIDA.
About $490–$700 by version (forum reports)
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Lexus diagnostic tools and software
Tools whose profiles list Lexus coverage, plus community publications about Lexus vehicles. Coverage is not a guarantee for every model, year or system.
Tools listing Lexus support
OBDeleven
Hardware + software system · OBDeleven
Phone app and Bluetooth device for diagnostics, coding and one-click feature changes, best known on Volkswagen Group cars.
Plans about $60 (PRO) or $190 (ULTIMATE) a year; packs with device from €139.99
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OpenPort 2.0
Hardware / interface
Compact J2534 pass-thru interface for EcuFlash reflashing of Subaru and Mitsubishi ECUs, and for Techstream and other J2534 software.
About $169 direct from Tactrix (2024 buyer report); €199 ex VAT in the EU
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OTC Plus 3-in-1
Hardware / interface
Aftermarket multi-protocol interface for Toyota and Lexus Techstream, also sold for Nissan and Volvo software.
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Toyota Techstream
Diagnostic software · Toyota
Toyota’s dealer-level diagnostic software for Toyota and Lexus, available to independents by subscription with a J2534 interface.
US: about $505 a year (standard) or $1,360 a year (Professional Diagnostic), per Toyota’s 2021 FAQ
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