If you don’t know this yet, understand that Mitsubishi TPMS systems are among the most proprietary and touchy systems out there. Usually nothing short of a Mitsubishi dealer scan tool ever seems to work 100% of the time with these systems. Unlike some other vehicles where you can register TPMS sensors with your keyless entry fob and a $2 magnet, that’s not happening with your Mitsubishi! Even expensive aftermarket scan tools that are supposed to work with Mitsubishi TPMS systems often do not.
So a tool like this is a welcome sight..almost.
The Mitsureset tool has no user manual, troubleshooting guide, or even a “helpful hints” sheet. That’s not a good sign knowing how quirky these systems can be. This device ships with a single-sided 4”x6” instruction card with 9 tiny illustrations demonstrating how to use it. There are no detailed explanations, and the manufacturer has no other information about the device on their website. As of today there’s not even a video to watch demonstrating the exact use of the tool.
If you start with an ideal scenario and everything works perfectly, you will be OK with this tool. But if your car doesn’t behave exactly like the instruction card shows, you will quickly be frustrated.
When I hooked this tool up to my 2015 Mitsubishi Mirage, it didn’t behave at all like the illustration card showed. The green LED began blinking the second I attached the connector to my OBDII port (yes…my ignition was OFF). That’s not what the instruction card showed. I wasn’t sure what to do at that point. Is the tool ON, or do I still need to press the ON button? When I press the ON button the LED turns red briefly. Hmm…what does that mean? There’s nothing on the instruction card about a red LED. Why does the tool have an OFF button? There’s no mention anywhere on the instruction card that the OFF button ever has to be used. You get the idea. When I called customer support, they told me that not all Mitsubishi models would behave exactly like the instruction card shows. Ummm...say what?!?!?
I couldn’t get this tool to work on my 2015. As it turns out (after calling the manufacturer again), if you have a TPMS malfunction detected in your system (if your TPMS light flashes for the first 1 minute after the car is started, you have a TPMS malfunction), this tool will not help you, even if you have 4 new TPMS sensors. Why? Because Mitsubishi vehicles will not allow you to register sensor IDs until any TPMS error codes are cleared from the system. Even if you have a real Mitsubishi scan tool, you still need to clear any TPMS error codes before registering sensor IDs.
The only problem with having to clear the codes first is that is that only a dealership scan tool (or very expensive equivalent if you’re lucky) can do this. If you can’t clear the existing TPMS trouble codes, you can’t use this tool! By the way, did I mention that there’s absolutely NO mention of this limitation anywhere on the instruction card, website, etc? Uhhh…this should be in a huge bold warning across the top of the instruction card!
If you have an ideal scenario and your TPMS light is not flashing, the tool should work. If you have an issue during the reset process or you don't quite understand all the flashing LEDs, there’s no user manual to help you troubleshoot potential problems or confirm that you are doing things correctly.
Ultimately a trip to the dealership (and $100 out of my wallet) and my TPMS codes are gone and my sensors have been registered. I wish this tool could have worked for me. Maybe I’ll pick one up the next time I have a new set of sensors and NO flashing TPMS light. Until then, the manufacturer may want to test this thing on some different Mitsubishi models and assemble some more comprehensive, supportive instructions.