TPMS insanity (Tire Pressure Monitoring System)

Unfortunately, Toyota's TPMS are not plug-and-play. Just resetting the button under the steering wheel will not make a new set of TPMS recognized by the car. New TPMS ids has to be registered to the car's ECU via OBDII port. Dealer has to know that. I don't think there is any difference in US and European versions. They use Techstream to achieve this, but there are some other handheld TPMS register tools available on market.

 

Took me a while but I got it. I wouldn't even bother with that; why gum up the dash window.

 

yeah, in my other toyota car, it failed after 8 years (low miles, go figure), I will fix it next time i buy new tires. still working in Prius after 8 years, and I just put new tires and forgot to change them.

 

Oh, that would be a problem. I checked your Denso parts number and made sure it is 315 MHz sensors. I did not know EU used 434 MHz. I am not sure but I really doubt the frequency of radio receiver in the car can be changed. You may have to buy a new set of 434 MHz TPMS. Also,there are some aftermarket ones that supports dual frequency meaning TPMS sensor emit either 315 or 434. Good luck.

 

Let us know how it goes. If car's internal radio receiver frequency is adjustable by software switch that would make selection of TPMS so much easier, even in the US.

 

Just in case the you don't get this resolved and would like to turn off the light without ghetto taping the dash. Turd gen specific and works like a charm:

Idea to fool the tire pressure sensors | Page 3 | PriusChat

 

I checked old photo of broken TPMS that was replaced with aftermarket TPMS at tire shop last year. This came out of Honda, but it is OEM TPMS made by TRW and AFAIK the same TPMS used for PRIUS.
The TPMS ID you need to register to car's ECU on this TPMS is CC7F8EC4, and clearly not the number indicated for FCC ID: GQ4-49T. I think FCC ID are identical for all of this model of TPMS but TPMS ID on individual unit is unique. The TPMS ID code you need is this unique ID, not the FCC ID. Most of modern TPMS scanner should be able to read both 315MHz and 434MHz TPMS. I used Autel handheld scanner TS408 to read ID off of my Honda and Toyota, only thing was this unit can only scan TPMS ID, did not have OBDII connection to register new ID to car's ECU, so I returned the tool. If you kept original box that came in, ID might be written on the box as well. In anycase, if the dealer does not have hand scanner tool that can communicate with 315MHz TPMS, you are out of luck for them to program them onto ECU. It's hard to believe a dealer does not have better tool, but I don't know situation in EU. At this point, I think you are better off just ignoring the TPMS light on dash, or if you really want functional TPMS, then just order another set of 434MHz TPMS and have tire shop swap and register TPMS. Would be costly, but maybe cheaper than playing with dealer with your 315MHz TPMS, IMHO.

 

Oh, you are maverick! Which scanner did you order? Good luck working with the dealer. Hope things work out.

 

Oh well, for $100 more you could have ordered Autel TP508 Autel MaxiTPMS This handheld tool have OBDII connectivity and ability to upload TPMS ID onto car's ECU, so you don't even need Techstream. If Europian Prius ECU can communicate with 315MHz TPMS, you are all set. And from now on all tire swaps can be done DIY without taking back to a dealer.

 

Toyota should "up their game" with TPMS. I've been reading up a bit on Mazda (our son has one): their sensors are automatically recognized by the car with just a little driving, say swapping from all-seasons to snow tires. It's not clear to me, it might be they need a single initial "introduction" by the dealership, but from then on yeah, it's doable, by owner, without extra equipment.

As it bloody should be...

 

Yeah, but OP is talking about 8 years old car. Give Toyota a few more years to redesign. Honda has already moved away from using TPMS sensor altogether and using ABS sensor based indirect TPMS in many of newer models as have many other European makers. Older technology but simpler to implement and no hussle for user to deal with. Over the years, improved accuracy of ABS sensors gave a second chance for this system. Like Audi did in 2011 Audi's indirect tire pressure monitoring system - why it makes good sense with AWD | BestRide It is just as good as dumb TPMS lights on many of current direct TPMS, like the one in Prius. I think that's what is going to happen to many cars equipped with ABS, but currently not displaying real time TPMS information on screen.

 

They should just make the batteries EASY to replace! That is the main reason they go bad.

 

Easy to replace also means not sealed against the elements.