TPMS Light

AFAIK, Toyota OEM TPMS and most of Japanese maker OEM TPMS (Honda for sure) do not have replaceable battery. Most of aftermarket TPMS have separate sensor and valves, and they may be amenable to battery replacement. You still have to remove the tire to do replacement of battery and usually that requires taking the tire (or car) to a shop. Cost of TPMS sensors have come down quite bit, and they are now anywhere from $20-$50/pc. By the time you add shop labor cost, even if battery can be replaced, you may not save much. I changed TPMS sensor with dead battery on my old Honda, and dealer charged me ~$200 for single TPMS. Then I learned any local tire shop can do the same thing for ~$50 including a new TPMS sensor and dismounting tire installation of a new TPMS and re-learning of ECU. Obviously, the last TPMS on the same Honda was taken to a local tire shop. And now I have another TPMS failure on the the same car again, but this time I am just ignoring the warning light.

 

FWIW, I was not referring specifically to G2 Prii TPM sensors. Also, if the "tire shop" needs to DISMOUNT the tire to replace the TPMS battery or sensor itself, I would find a new tire shop. All you NEED to do, is break the bead on the valve side and remove it. Takes like a minute or two per tire.

 

Four ot these
Oro-Tek Car & Truck Tire Pressure Monitor Systems for Toyota for sale | eBay
22$ each and a carista, which will register them, seems reasonable.
I'd rather replace the unit then replace the battery, just like I'd rather replace a tube then patch a tube.

 

See my prior thread
TPMS Management with Techstream | PriusChat

I had the first one go bad at 9.5 years, which I developed a fake reading technique to reset the light.
Now at 12 years I finally lost TPMS #2, so I may finally replace all as I need new front tires.

Service centers have fancier gizmos that tell them which TPMS is bad, but that can be expensive depending on how reasonable your $ervice center is.

 

I have a 2007 and the TPMS went out on all tires causing the warning light to come on. I took it to an auto mechanic to replace which he did but he couldn’t get the warning light to reset. Now i am at the dealer having to pay more money to get them reset. Lesson learned: if you need to replace the sensors, go straight to the dealer unless you like shelling out cash left and right.

 

Well the dealer can be terribly expensive if you are buying the TPMS from them. Sounds like they did you a favor and reset the codes.