USB版本VXDIAG VCX Nano用於豐田

I bought the VXDIAG VCX Nano for Toyota, and wow - what a deal! It works perfectly with Techstream. Diagnosed a 2020 model no problem. Code reading and clearing is lightning fast, and live data is smooth.

Even with time zone differences, support usually replies within half a day. You can really feel their dedication - huge thanks to the team!

I've been using this device for almost a year and previously shared my experience, which received a lot of support.

When replacing the TPMS sensors on my 2015 US-spec Toyota Land Cruiser, I needed Techstream to write the new IDs but kept getting the error: "ID registration failed due to a communication error with the ECU." I tried different Techstream versions (V10, V13, V14) and operating systems (Win 7, XP), but nothing worked.

I suspected an issue with the Mini VCI cable, so I tested multiple firmware versions (1.4.x, 2.0.x) and different cables, but Mini VCI simply cannot write TPMS IDs, making it a complete waste of time.

After extensive research, I purchased the VXDIAG VCX Nano WiFi (Techstream V18.00.018) from vxdiag.com. It worked perfectly, with fast communication and successful TPMS ID writing.

However, Techstream only detected the spare tire sensor, while the other four sensors showed no data. After checking, I realized that the Denso 550-0105 sensors I originally bought were incorrect. The factory-installed sensor was Pacific PMV-107J, and the correct Denso replacement was 550-0103.

Finally, after replacing all sensors with 550-0103 and using VCX Nano to write the IDs, Techstream successfully recognized all five TPMS sensors, and the issue was completely resolved.

So:
Mini VCI cables cannot write TPMS IDs, so do not waste your time.
2015 Land Cruiser TPMS sensors vary by VIN, so always verify the correct model before purchasing.
VXDIAG VCX Nano is the best solution, providing fast and stable communication.
If you are facing a similar issue, I highly recommend purchasing the VXDIAG VCX Nano Toyota version from the official website and confirming your TPMS sensor model beforehand, as this will save you a lot of trouble.

The VX DIAG website has a good version that works with 32 and 63 bit platforms. It uses a patch exe. file to bypass login. I've been using it for over 5 years with no issues. I recommend the obdii VXDIAG cable interface. I have done a lot with it, and would say it is on par with the mongoose/xhorse devices and it isn't nearly as expensive. I've applied some software updates, sensor calibration and other things (most advance features require paying for daily access to TS, it was $25 for two days acces). Works great for TPMS programming as well. You only need to subscribe if you need to download updates. Most things can be accomplished with the cable. With the TS legal subscription, it gave me access to files I needed (only done it a few times, the last time for calibrating a sensor). I would never do it with the cheapo cables, but have been happy with the VXDiag. I wouldn't apply updates to a new Tundra under warranty as the dealer will usually do that. I've done it on older rigs that are out of warranty. If I screw something up, so be it, but I have saved a lot programming keys, sensors, and other updates without paying a dealer...

Once you get the software installed & running correctly, it's an excellent device for diagnostics, maintenance, & programming.