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TPMS - Tire Pressure Temporarily Unavailable
- Thread starter cgpotts
- Start date
Good luck. I have had this happen 4 or 5 times even had a message from Ram pop up on the 12" radio screen. Have been to the dealer 3 times and they find nothing wrong. Asked if they could lower the air PSI level so this would stop. They say they cannot do that. I found if you go to some one or buy the software with j scan you can then change the PSI setting. I am afraid that some time it may be real and I ignore it and wreck the tire or pull over to check the tire and somebody rear ends me. I feel for you. There are other places on this forums that talk about this problem.
check,
Thank you for your reply. I have made an appointment for the morning with the dealership. I drove for a long time before TPMS was invented. I am annoyed, but I am traveling all over the country. I will do what I have to do.
Thank you again for your story, it may help in my dealings with RAM.
Chris1911
Well-Known Member
My 2019 never did it until a few months ago. It would read pressures, but would randomly give that message with the tpms light on and it would randomly go back out. Sometimes it would last a day, and sometimes almost a week. I swapped out all four sensors, but it still does it. If i clear the codes with AlfaOBD, it only stays out for a few days.
gprguy
Well-Known Member
Mine just did this for the first time at about 7,000 miles. Lost 5 tires, with only the front passenger reporting in. Eventually that left the chat as well. I'm giving it a little time to think about what it did and will see how it acts this weekend.
dieselscout80
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How long do the batteries last in the tire pressure sensors?
Chris1911
Well-Known Member
At least six years, or so.
Poolmonkey
Well-Known Member
I toggle any warnings away each start up.
So I need to resurrect this thread. My truck is a 2023 2500 Laramie. I use it regularly for towing, as I am on a 2 month trip right now. We have been out for about 2 weeks, and I regularly check the tire pressure readout especially before a drive day. If I am in a place for more than a few days and will be using the truck to travel often I will deflate the rears to 55 psi. When I am going to hook the fiver back up I will air up to 65-70 psi. Yesterday about an hour into a 2 hour drive my TPMS light lit up and glowed yellow. I tried to check the pressures but the readout just displayed "Tire Pressure Temporarily Unavailable". Pulled over checked all four tires, perfect. TPMS light stays on yellow.
No trouble code messages. Hooked up a OBDII scanner that lets me read and clear DTC. It also reported no DTC, Today I started the truck and went to the tire pressure screen, same message displayed. Let it run while I went out and deflated the tire down to about 45 psi. The only change at the dash readout was that the background color behind the message had a red tint. Reinflated the tire, the red tint went away, the message remains.
I am out of warranty by mileage, so any trip to the dealer will be on me. This is frustrating. My fiver has a external TPMS that Bluetooths to a spare cell phone in the cab. It works great. I thought about disconnecting the negative battery cable, but without any DTC in memory, there may not be a point to it.
No trouble code messages. Hooked up a OBDII scanner that lets me read and clear DTC. It also reported no DTC, Today I started the truck and went to the tire pressure screen, same message displayed. Let it run while I went out and deflated the tire down to about 45 psi. The only change at the dash readout was that the background color behind the message had a red tint. Reinflated the tire, the red tint went away, the message remains.
I am out of warranty by mileage, so any trip to the dealer will be on me. This is frustrating. My fiver has a external TPMS that Bluetooths to a spare cell phone in the cab. It works great. I thought about disconnecting the negative battery cable, but without any DTC in memory, there may not be a point to it.
CdnHO
Well-Known Member
I have had that message pop up and it went away on its own each time.
Poolmonkey
Well-Known Member
Mine did it so often that I gave up, no sensors in my tires. Still under warranty here.
gprguy
Well-Known Member
Yes, I picked up an Autel as my TPMS sensors on my chassis cab have become unreliable all of the sudden. I did some basic testing and it scans them and does all it seems to say - but I haven't had time to actually dig into why the sensors are losing contact.
2024RAM0wner
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This just happened on my 2024 while towing during a 1000 mile trip. I pulled over and checked all four tires and the pressures were fine. When I restarted the truck it stilled showed "TPMS temporarily unavailable". I continued my trip with the TPMS still illuminated and once we got home, unhitched, restarted the truck and the warning was gone. That was two weeks ago and it hasn't come back, fingers crossed.
Mine went out yesterday finally. We started up and drove to a store about 15 minutes away and it was on solid we first left. Just before shutting down at the store I noted that the light went off. I checked the readout and the tire pressures were once again displayed. Obviously a glitch deep within the software, one that Ram does not want to address. It would just cost them money.
2024RAM0wner
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It's ridiculous. Like, "When is a safety feature not a safety feature?" Answer, when you can't trust the display/icon warning message.
dieselscout80
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When I bought my truck the dealer pictures showed that TPS was unavailable. I told them it had to be working for the sale. I don’t know what they did, but it hasn’t happened again since 2022 when I bought it.
Well, resurrecting this thread one more time. Same story, TPMS message came on the dash says it's temporarily unavailable. No reason, had the 5ver hooked up and had been on the road about 30 minutes. All tires set to max pressure recommended. This is truly BS......
MegaCabn
Member
Here's my short story - This is pure speculation, but I wonder if the sensors in your trailer wheels are confusing the trucks TPMS? I'm going to assume that your 5th has 4 wheels with 4 sensors, so maybe your truck is thinking "There are 8 sensors to read, but I only need 4. Which ones do I read?" If one or any of your sensors in the truck tires is bad or dead, then it might be trying to pick up the good ones on the trailer. Let me explain why I think this below
Long story - A couple weeks ago, I had new tries and wheels installed on the truck at a shop and I had 4 new sensors installed in the new tires. I threw my stock wheels/tires in the bed and drove home. Those stock tires still had good sensors in them. When I left, the tire shop and made it about 20 miles down the road, I got the TPMS UNAVAILABLE notification on my dash, for all 4 sensors. I got home, unloaded my tires to sell them and went on with my week with my dash light coming up on every start. Racking my brain trying to figure out what was going on, I went back a week later to the shop. I put my old tires in the bed, thinking the new sensors were bad and I had the intention of swapping sensors and getting my money back. I was under the impression the new sensors were not compatible with my truck.
I get to the shop and found out the tech never programmed the new sensors to my truck. So the whole time I was driving home the week prior, my truck was trying to sense the 8 different sensors that were on the truck and in the bed. After the tech programmed the new sensors, they unloaded the old tires and I drove around the block with with the new ones programmed and the truck picked up the new sensors in about 2 minutes. I went back to the shop, loaded up the old tires and headed home. Since programming the new sensors, my dash lights went off and the new sensors are reading just fine, even with the old tires in the back.
That's a long explanation just to say maybe you need to swing by a tire shop and have them read the sensors and see if any of the 4 are dead and/or reconnect the sensors to your truck. Now I'm sure others will chime in and say their trailer TPMS works just fine and that's not the case. But its just something that happened to me and I was driving myself crazy trying to figure out why I was having an issue so maybe this can help you out, too. Good luck!
This just happened on my 2024. They were only unavailable for a short time. I reached my destination, shut down the truck for about an hour, then fired it back up to head home. By that time TPMS readings were available.
I have everything I need to lower the TPMS low pressure threshold and will be doing that soon with some help from a friend who has used the same software tool I purchased. I'm hoping, and my buddy is certain, that when we are done modifying the module I won't be seeing the little yellow light on the dash anymore. I refuse to run my Toyo AT III tires at default OEM Trashforce pressures.
I have everything I need to lower the TPMS low pressure threshold and will be doing that soon with some help from a friend who has used the same software tool I purchased. I'm hoping, and my buddy is certain, that when we are done modifying the module I won't be seeing the little yellow light on the dash anymore. I refuse to run my Toyo AT III tires at default OEM Trashforce pressures.