Tpms sensor issues
Thread Starter
Heel & Toe
Joined: Feb 2024
Posts: 23
Likes: 0
Tpms sensor issues
Hey everyone so my 08 base auto back right tire sensor is reading “xx”. All other sensors are reading fine. The catch is it starts reading xx at the same spot of a highway I get onto every single time (same sensor back right). Last time it happened it turned off after awhile but this time it’s not turning off. Cant tell if it’s a communication issue or I need to replace the sensor. Thanks for the help!
edit: just like last time the sensor started working again. Weird that one specific spot messes up communication for awhile.
edit: just like last time the sensor started working again. Weird that one specific spot messes up communication for awhile.
Last edited by Tmaccc; Mar 18, 2024 at 12:30 AM.
Race Director
Joined: Nov 2017
Posts: 12,747
Likes: 10,639
From: Prosper TX/Austin TX
2020 C6 of the Year Winner - Modified
I chased tpms issues similar to this for quite some time, even with new sensors. Finally purchased another new set of oem sensors and no issues.
Racer
Joined: Oct 2020
Posts: 415
Likes: 245
From: Seattle, WA
This happened to my '08 last year on the two fronts. The XX was due to low batteries. If your sensors aren't that old, maybe the one has failed? If they've been installed for years then likely time to replace all four.
Thread Starter
Heel & Toe
Joined: Feb 2024
Posts: 23
Likes: 0
Thread Starter
Heel & Toe
Joined: Feb 2024
Posts: 23
Likes: 0
they’re old but still have good tread so I’m waiting to see cracking or something from age. I just made an edit but the sensor is working again. That one specific spot seems to mess up communication for awhile and likes to scare me.
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Safety Car
Joined: Aug 2017
Posts: 4,918
Likes: 2,328
From: Etobicoke (Toronto) Ontario
Maybe. If the tires are new, yes.
If you’re reinstalling the old tires, and the new sensors are the same weight as the old ones, then a competent tire tech can mark the position of the tire on the rim, and reinstall it in the same place. I’ve had this done twice, and balance was not affected at all.
If you’re reinstalling the old tires, and the new sensors are the same weight as the old ones, then a competent tire tech can mark the position of the tire on the rim, and reinstall it in the same place. I’ve had this done twice, and balance was not affected at all.
Melting Slicks
Joined: Dec 2017
Posts: 2,003
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From: Baie-D'Urfe, Quebec
2023 Corvette of the Year Finalist - Unmodified
2022 C6 of the Year Winner - Unmodified
Exactly. They can deflate and just break the bead on the valve/sensor side, push down and swap the sensor without a dismount. No need to rebalance if it was fine before
Melting Slicks
Joined: May 2020
Posts: 2,131
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From: North Little Rock, AR
If the tires you are running are 7 or 8 years old they need replaced regardless of tread. You probably won't see them crack but simply lose traction as the compound has broken down and is now hard.
2nd Gear
Joined: Aug 2023
Posts: 2
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Although there is a small possibility that the area where you lose the signal from that sensor could have some form of higher-energy radio signal that would override your sensor (unlikely because all four sensors are on the same frequency), it is more likely a TIME issue: it always takes you about the same time to get to that spot. That's a good chance that the battery in the TPMS is failing.
Safety Car
Joined: Aug 2017
Posts: 4,918
Likes: 2,328
From: Etobicoke (Toronto) Ontario
There’s an easy way to check if it’s the sensor or a coms error if you have a TPMS programming tool. Program the sensors in the reverse order by starting at the LR wheel and proceeding counter clockwise. This will swap the logical position of the sensors front to back. Then drive to the spot where you get the xx error. If it’s the sensor it should be reported as RF if it was being reported as RR before. Don’t forget to reprogram them back in the correct order after.