How To Register Id Tpms

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I purchased a ready of snow tires and wheels, with TPMS sensors installed past TireRack.

Will I need to visit my dealer (or brand apply of the Toyota Techstream) to have my 2016 Prius initially recognize these new TPMS sensors?

Once the TPMS senors are recognized, will the automobile remember these sensor IDs the adjacent season or is a transmission registration required each fourth dimension I switch from Summer to Winter (and back)?

Thanks!
--Rob
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Yes and no. Assuming the 2016 is the same gear up as the gen 3.
The car will retrieve 5 tpms in the reckoner retentiveness, as there is an optional infinite in the memory for a spare.
Then you need to plan the auto to know the new 4 tpms sensors, requiring the dealer, (or a Techstream).
When y'all alter out the tires, back to your summer tires, you have to alter the tpms sensor ID's in the computer.
If you lot were planning to DIY swap your snows and regulars, don't want to exist paying the dealership to do the handshake every fall and spring. yous could just ignore the TPMS sensors in the snows. In other words but cut your losses. Or invest in similar equipment as the dealership, and the know how.
When I was in that state of affairs I got regular, non TPMS valves with my snows, just that's in Canada: not sure how achievable that is in united states.
I was hoping the Gen-4 Prius had a more "enlightened" (flexible) TPMS design. Thanks.
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Good point.
Does anyone know if the Gen iv improved the TPMS set over the Gen iii?
alexgrigori Active Fellow member

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Congrats with your purchase! Would yous delight advise re what type of snowfall tires you've got?
I am also wonder if car reckoner can recognize the position each of TPMS is installed. So if I rotate the tire does it know which tire on front and rear.
The wintertime tires are 195/65R-xv Michelin 10-ICE XI3 XL. I selected these over the Bridgestone Blizzak because Michelin tires are low rolling resistance. I take never used the Techstream program, but from the videos on the Internet it does not appear the position of the TPMS ID is correlated to the wheel location (i.e., I believe sensors are simply numbered one-5; but this is informed speculation).
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That had been my observation too. At our level, it is only a list of 4 or 5 sensors. The computer receives pressure and temperature info only does not track the position. If any sensor transmits info exterior the parameters, the computer tirns on the light, only does non tell you lot which one is at mistake. The reckoner knows which one by serial number, but not by location.
Plainly, Toyota planned for an pick to show details of each tire on the touch screen display, just it didn't make it to the cars yet. It's shown as an option in the owner's manual. But I haven't seen anyone annotate that they have the selection.
Would showing which specific tire is depression increment complication further, requiring a reset every time they're rotated? Checking the pressure level of all four (to discover which is depression) is trivial, should be done regularly anyway.

sfv41901 and RCO like this.
alexgrigori Active Member

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IMO rotation does not require a reset for a registered TPMSs. System knows what pressure forepart and rear tires suppose to take and monitor accordingly.
Aye that'south the case now. @Wolfman33 was speculating about revision to a organization where the specific flat tire would be identified, and I was pointing out that increases conplexity involved.
The system has no idea what the pressures should exist, it just goes on what pressure yous have in each tyre when yous initialise information technology and reports a loss from that pressure. It doesn't thing what force per unit area you lot put in each tyre, it remembers that force per unit area at the time of initialization. You lot could put xv psi in one, 20 psi in some other, fifty psi in some other then on and information technology will gear up that equally the required force per unit area when you lot initialize.
When you lot rotate your tyres from back to front you lot should be re-adjusting the pressures, every bit they are different, so resetting the TPMS.
It doesn't know where each tyre is, equally said above it just records the 4 sensors, no matter where they are on the car.
I do my own rotations, and early on decided to set all tires to the same pressure, ii~3 pounds higher than front tire spec. It doesn't seem to matter, saves the minor hassle of raising/lowering pressures.
Even if was following spec pressure level I wouldn't bother resetting the TPMS: the front/rear diff is niggling, and I understand it takes something like a 25% drop to trigger a warning.
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That'due south right. The car doesn't care where the TPMS is located. It compares the TPMS reported pressure level to the initialization pressure.
For example, if you put tire "A" on the automobile with TPMS sensor ABC123. Fill up the tire to 40 psi and re-initialize to establish the baseline pressure. (Follow the procedure involving reset push). The car doesn't intendance where the tire is located. All it cares about is that sensor ABC123 is reporting within 75% of that baseline pressure. If the tire reports xxx PSI or less, the light comes on. As long as information technology reports 31 PSI or more than, the auto is happy and it does non trigger the low-cal.
Each tire has information technology'southward own baseline pressure in retention. You tin can reset the baseline yourself someday you want. You lot don't need the Techstream for that. So if yous want to change your pressures yous can. Or if you want to use different pressures front and rear, yous tin.

For instance if you want to run xl front and 38 rear, put your tires on the auto, fill them to the desired pressure, and reset the baseline.
Then 6 months later, when you rotate, the car doesn't know you rotated, so it'south looking for xl in the rear tires, (simply it doesn't know they are on the rear) and 38 in the forepart, (but information technology doesn't now they are on the forepart) going past the serial numbers. You change your pressure in the tires by calculation air or letting air out equally needed. Then reset the base line pressures.

Example

ABC123 40 psi (happens to be on front) Min 30psi
ABC789 forty psi (happens to exist on front) Min thirty psi
XYZ098 38 psi (happens to be on rear) min 28.5 psi
ABC456 38 psi (happens to exist on rear) min 28.five psi

The motorcar doesn't know where the tire is, and doesn't care. Yous don't know the serial numbers and you don't care.

Reset the baseline using the reset button

The car is always looking for XYZ098 to exist reporting 28.five psi or college (75% of the baseline 38psi) at 28.4 the light comes on, no thing where the tire is.

Then six months after you rotate.
the car still wants XYZ098 to exist at 28.5 even though information technology's now on the back.

You allow 2 psi out of the tires now on the rear to lower them to 38.
You lot add together ii psi to the tires now on the front to raise them to 40.

Y'all reset the baselines.
the chart at present would be:

ABC123 38 psi (happens to exist on rear) Min 28.v psi
ABC789 38 psi (happens to exist on rear) Min 28.5 psi
XYZ098 40 psi (happens to be on forepart) min 30 psi
ABC456 40psi (happens to be on forepart) min 30 psi

Even so the machine doesn't know where they are, it is only going by serial numbers. And you still don't care virtually the serial numbers, since you set the pressure in the tires the way yous wanted it and reinitialized.
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Yes. At least that'due south exactly how it acts. If your light comes on, unless i tire is obviously apartment, yous take to check all 4 tires to see which ones are tripping the low-cal.
It's my opinion that the car could keep track of the tire locations in the software, even with one receiver. You just have to have the choice of telling the machine where the tires are when you reinitialize it. I think Toyota went inexpensive at the terminal minute.

Personally, I think that there may exist ii receivers and Toyota chose not to implement a better software system. I am dealing with a failure right at present in my motorcar. My TPMS light comes on occasionally. And when information technology does, I check it with the Techstream and two sensors are out. Then the light goes out after, and all 4 sensors are reporting. It's both of my front end sensors that stop reporting at the same time I don't recollect that's likely. So I think there is a receiver or at least an antenna in the forepart and another i in the rear, and in my case, the ane in the front is failing. Of course, I don't know this, I'chiliad just speculating. I have an appointment for the dealer to look at it in the well-nigh future. Simply information technology makes me wonder how Toyota set this upwards and why they didn't make work meliorate for telling us which tire was low.
How long does it take to check all four tires, lol.
This is completely off rail from the OP'south question, btw.
I have non yet replaced my summer tires with winter (waiting for my Techstream Lite software/cable to go far) simply I did cheque the 2016 owner'southward transmission and information technology seems to require manual TPMS lawmaking registration.
The tire pressure warning valve and transmitter is equipped with a unique ID code. When replacing a tire pressure level warning valve and transmitter, information technology is necessary to register the ID code. Accept the ID code registered past your Toyota dealer.
I have my TPMS set up then that TP1 is forepart left, TP2 is front correct, TP3 is right rear, and TP4 is left rear. And then they are in clockwise order, starting with front left. When I rotate the tires front end to back, they are counter clockwise starting with left rear. It'due south a flake of a game getting it set upward, simply once information technology is it'due south like shooting fish in a barrel to apply Techstream to place which tire is a trouble.
Before I gear up it up that style, I could tell by temperature and pressure which tire was which in Techstream. I run 42 pounds front, 40 back. So the two highest pressure tires with Techstream were front. And subsequently parking the car sideways to the sun, the sun side showed higher temperatures. I verified my analysis past letting some air out 1 at a fourth dimension, and seeing which tire changed in Techstream.

I was looking at a new Lexus in front of Costco the other day. It had "Location specific TPMS". Peradventure it volition trickle down to Prius some twelvemonth...
I had the new Wintertime wheels installed on my 2016 Prius. I found that the Prius does not generate a dashboard TPMS warning indicator, despite the fact that the new TPMS sensor IDs (located in the new Wintertime tire wheels) are not registered with the vehicle'south tire pressure monitoring system. I am OK with this behavior, given that I regularly check tire pressure.
I validated that the sensor IDs are not registered with the car'due south TPMS using Techstream. The TPMS ECU is still showing the sensor IDs for the summer wheels (circled in blueish below), with the force per unit area readings every bit "N/A" (which is to be expected as these sensors are no longer on the vehicle). Aye, I could add the sensor IDs for the new Wintertime tires via the Techstream "Utility" menu, but then I would need to do this each summer/winter tire change (every bit the vehicle only stores five sensor IDs). Given that there is no annoying dashboard warning indicator and I cheque tire pressure regularly, I probably will not carp manually registering the sensor IDs.

As well, there are no Trouble Codes for the Tire Pressure level Monitor ECU in Techstream (which seems consistent with no dashboard warning indicator)