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| Raised Hands Surround Us Three Nails To Protect Us  |
I am presuming it does not as I have found nothing that is not ODBII or a valve cap. My Tundra is older and does not display tire PSI. The light just comes on if one is out of range when programmed. The truck however does know the specific number and can be displayed in an ODBII reader. I use OBDLinkMX+ and it is capable of reading a displaying the tire pressure. I have 2 issues with it. The first the network the OBDLink connects to for TPMS is complete different from all the other vehicle sensors and parameters that I monitor and it is not capable of connecting to 2 networks in the truck simultaneously. So to see TPMS I have to disconnect from the truck switch networks, then reconnect to the truck. Or vise versa if I am on the TPMS monitor and want to switch to my other vehicle parameters. Just a bit of a pain. The other issue though minor is no matter whaat I do my OBDLink reads 14.5 psi high on all tires and have not figured out how to adjust/fix this. Granted simple math gives me the correct psi it’s still just a pain. I am hoping for something a little less chinsy than this Jansite Tire Pressure Monitoring System TPMS, Wireless Adjustable Display Angle with 4 Waterproof External Sensors Auto Alarm Real-time Display Temperature Pressure(0-6 Bar / 0-87Psi) https://a.co/d/brc1JTE ———————————————— The world's not perfect, but it's not that bad. If we got each other, and that's all we have. I will be your brother, and I'll hold your hand. You should know I'll be there for you! | ||
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Member |
Take em out on your next set of tires, unless your state requires them. Those metal sensors might snap off anyway the next time you scrub a tire on a tight turn or parallel park too close to the curb. Replace them with regular old rubber valve stems, and break out your tire pressure gauge. Works for me anyway. And yes all that happened to me, the Ford oem tire pressure sensors were made of pot metal, and snapped off. Got sick of them because they were not durable like a regular rubber valve stem, so I removed the rest of the ones that were still working when I had new tires installed. Good lord friggin tire pressure sensors. If you're a car guy you're going to check your pressure manually anyway. If you're not a car guy your tire pressure sensors won't work properly after some normal amount of ageing, and if you're a woman it won't matter at all. Or, you can drop a grand or more on new oem sensors, installation, and callibration, until the next time they fail. The Slime brand tire pressure dial gauge at Walmart is $3.99 and more accurate then those things anyway. Lover of the US Constitution Wile E. Coyote School of DIY Disaster | |||
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Member |
And then live with the constant annoyance of the TPMS light on the dash, forever. Also, he's got pretty meaty AT tires on it. Would be a mighty curb to affect one of his valve stems. The Enemy's gate is down. | |||
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Optimistic Cynic |
You guys don't understand, TPMS and CE lights are not for safety or "helpful warnings," they are to sell work. | |||
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| Member |
I don't think those TPMS lights make any noise, they just pop up from time to time on my truck. Yes it's a little annoying but I've gotten used to it. Mine just pop up and then go away, it's not lit up all the time. I guess you got me on the AT tires, good point. But if I was an off road guy or a hunter driving back roads and trails, I'd consider metal valve stems a single point of failure when nice AT tires roll over logs, rocks, and sticks. And then you couldn't re-inflate on the trail without removing your tire from the rim, and I have not seen any off road videos of guys removing tires from the rim on the trail, though I don't doubt some could and do. Lover of the US Constitution Wile E. Coyote School of DIY Disaster | |||
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| Member |
Oh I understand that, after my favorite garage told me their bill for replacing all of the tpms sensors with new ones and setting them up on ford truck's pcm/bcm. My jaw dropped to the floor. Good lord what a crock of shit, I saw through that bullshit in no time. Being an honest shop, they also told me those systems are considered regular service items, I would guess along the periodicity of chineese alternators, brake rotors, stuff like that. Driving a truck I have no interest in stuff that would snap off my tire, a very stupid design imho. I suppose it might be helpful for a rich lady who gets a new car every three years, to let her know something might be up so she can tell her sugar daddy that a light came up on her dash (but... we won't go there, since there are women who actually do care about what's displayed on the dash, though I don't know any myself). Lover of the US Constitution Wile E. Coyote School of DIY Disaster | |||
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| Bookers Bourbon and a good cigar  |
Yes. Google RV trailer TPMS system. Unfortunately they all are the Valve Cap type with a separate monitor. If you're goin' through hell, keep on going. Don't slow down. If you're scared don't show it. You might get out before the devil even knows you're there. NRA ENDOWMENT LIFE MEMBER | |||
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| Member |
My older ride's the same way, no fancy PSI display. I use an OBDII reader too, but it's a bit of a dance to switch between networks. And that over-reading by 14.5 psi? Total head-scratcher. ___________________________________________________ in the 'Merica Navy they teach you to go pew pew pew... Luckily in the PNW they taught me to go BANG BANG BANG | |||
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אַרְיֵה |
That caught my eye -- 1 atmosphere of pressure at sea level, standard pressure etc., is 14.7 psi. What's the elevation where you live? הרחפת שלי מלאה בצלופחים | |||
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| Member |
What you want exists my local mechanic has one and it can read the sensors directly. But it really isn't something I think you could mount in your truck. And I bet its brutally expensive as well. But given ODB2 readers are dirt cheap can't you just put a splitter on your odb2 connection and connect two readers? Or get a different reader? “So in war, the way is to avoid what is strong, and strike at what is weak.” | |||
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I'll use the Red Key |
Is there a setting to change from Absolute pressure to Gauge pressure? Sounds like you are reading absolute pressure. As V-Tail noted sea level is (average) 14.7 psi. Absolute pressure would start at true 0 psi. Gauge pressure 0 is with the 14.7 already accounted for in the gauge. Donald Trump is not a politician, he is a leader, politicians are a dime a dozen, leaders are priceless. | |||
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| Raised Hands Surround Us Three Nails To Protect Us |
My stems are fine and if I am in a spot for them to break I am in serious trouble already. I have 9” wide wheels with recessed spokes so my stem is fully protected inside the wheel lip. I ran with the TPMS light on for years because one died and I did not feel like fooling with them and recently got new wheels and replaced them. I want to monitor them while I am wired down and on the trail to be sure I have not got something in the tire causing a slow leak on the trail. So if I am having an issue I can check I fix it in a good spot on the trail and not have to deal with it in a crappy spot.
You may be on to something. I need to dig into the settings a bit more.
I’ll have to dig into it. ———————————————— The world's not perfect, but it's not that bad. If we got each other, and that's all we have. I will be your brother, and I'll hold your hand. You should know I'll be there for you! | |||
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| Raised Hands Surround Us Three Nails To Protect Us |
Yes, there are numerous TPMS Scanners/programmers that will program, read, and display but they are far beyond what I need. It is my understanding only one active device can be hooked to Toyotas system on my truck. Even with a splitter the downstream connection will always take priority and only power will be sent to the upstream device. ———————————————— The world's not perfect, but it's not that bad. If we got each other, and that's all we have. I will be your brother, and I'll hold your hand. You should know I'll be there for you! | |||
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| Member |
I don't have a toyota so no personal experience. But I do the splitting thing on both a ford and a subaru (for very different reasons than yours) and neither complain about it. If the tire pressures are an odb2 sentence I would expect it to work, if they are a toyota parameter then your probably right. But I might investigate it a bit. “So in war, the way is to avoid what is strong, and strike at what is weak.” | |||
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| Raised Hands Surround Us Three Nails To Protect Us |
It is my understanding it is a Toyota parameter network that is accessed by the OBDII port. ———————————————— The world's not perfect, but it's not that bad. If we got each other, and that's all we have. I will be your brother, and I'll hold your hand. You should know I'll be there for you! | |||
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| Member |
what year tundra? OBD2 is technology from the 80s, way before TPMS, so it's a hack from the start to get it on the same data bus. That's what you get when .gov engineers shit. | |||
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