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Hi guys, after I bought my 2019 I traded wheels with the 2016. Something happened on the right rear of the 2016, it now does not display a pressure for that tire and gives a message saying 'sensor missing' or something to that effect. Tire pressure sensing worked fine on all wheels on both cars before, so very unlikely changing wheels around would have affected one wheel. I did reset the TPMS system several times but that did not wake up the right rear, so just 're-booting' the system does not seem to be the answer.
I know a simple troubleshooting step would be to switch the 2016 rear wheels from side to side and see if the right rear still has a missing signal. Assuming that's what happens, what on the car side could have gone bad in the right rear position? Is there a specific component on the car that reads the signal coming from the right rear wheel?
Last edited by Tom in Austin; Jan 25, 2025 at 11:53 AM.
Hi guys, after I bought my 2019 I traded wheels with the 2016. Something happened on the right rear of the 2016, it now does not display a pressure for that tire and gives a message saying 'sensor missing' or something to that effect. Tire pressure sensing worked fine on all wheels on both cars before, so very unlikely changing wheels around would have affected one wheel. I did reset the TPMS system several times but that did not wake up the right rear, so just 're-booting' the system does not seem to be the answer.
I know a simple troubleshooting step would be to switch the 2016 rear wheels from side to side and see if the right rear still has a missing signal. Assuming that's what happens, what on the car side could have gone bad in the right rear position? Is there a specific component on the car that reads the signal coming from the right rear wheel?
Yes, there is a receiver in each wheel well that communicates with the TPMS sensor and depending on how strong the signal it is, it determines where that wheel is mounted and which reports back to the car.
As others have said, it may be a coincidence and the battery in that one sensor just happened to die. TPMS sensors typically last between 5 to 10 years depending on how often the car is driven and the climate it was exposed to. While the car is parked, the sensors go to sleep mode to preserve the battery, so on low mileage cars in mild climates the sensors can last a long time. Having said that, there was another member recently who did a similar thing by swapping the wheels from his old car onto the new car. The new car wouldn't pick up the sensors even after resetting TPMS multiple times. Turned out the sensors themselves had to be reset as they were locked to the previous car. So used sensors don't seem to always pair up with a different car and instead keep trying to communicate with the previous car.
Last edited by superswiss; Jan 25, 2025 at 06:35 PM.
Update ... switched tires from side to side and the "missing sensor" still shows up on the right side, so it's the car and not a wheel that has the problem. I looked around under wheel well and there is a cylindrical plastic device mounted on the strut that's fairly close to the wheel/tire, so wondering if that is what gets a signal from the sensor.
Also did a search on W222 "TPMS components" and found this 'module' that is part of the system but not visibly located in wheel well area close to the tires.
Last edited by Tom in Austin; Jan 30, 2025 at 12:03 PM.
I might be way off base here but is it possible that there could be some inteference between the cars? I don't know the specifics of the binding procedure between the transmitter and receiver in the TPMS sensor, but maybe you had the old car parked next to the new car prior to binding and it has confused the sensor(s). I haven't heard of anything like this happening in more than a decade, but I had that problem when I used to run 2 sets of wheels and tires on my W220 S600 in the early 2000's.
Last edited by carlosinseattle; Jan 30, 2025 at 03:19 PM.
Probably have a sensor out of battery, go to a tire place and they can check with handheld. Tire location might not refresh correctly due to missing sensor.
Also note running a sensor un paired rapidly depletes battery.
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