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Old 10-31-11, 11:56 AM   #1
Kostyan
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Default TMPS lifespan

How long do TMPS sensors (mounted on each wheel) last? Due for new tire replacement and wondering if that will need to be replaced too.
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Old 10-31-11, 12:08 PM   #2
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Default Sensors

I guess you could change them out if you wanted.

I have about 4 1/2 years on mine. And havent had any problems.
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Old 10-31-11, 12:47 PM   #3
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I heard it's about 7 years?
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Old 10-31-11, 10:38 PM   #4
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I heard it's about 7 years?
Do they use batteries? Otherwise (i.e. except for changing battery), why would they have a specified lifespan?
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Old 11-01-11, 06:20 AM   #5
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7~8 years is what I heard. The batteries are Lithium Ion and may last up to 10 years. It is unfortunate that they can not be replaced.
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Old 11-02-11, 08:50 PM   #6
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7~8 years is what I heard. The batteries are Lithium Ion and may last up to 10 years. It is unfortunate that they can not be replaced.
I've seen on Russian Lexus forum site some McGyvers actually sawed the TPMS sensors open, replaced batteries and then glued them back together. I guess, if you have time, why not give it a shot, if it doesn't work, you were going to throw it away anyway.

The original battery is Panasonic BR2450A
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Old 11-03-11, 06:41 AM   #7
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Good idea. These costs a lot to replace.
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Old 11-03-11, 08:06 AM   #8
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I've seen on Russian Lexus forum site some McGyvers actually sawed the TPMS sensors open, replaced batteries and then glued them back together. I guess, if you have time, why not give it a shot, if it doesn't work, you were going to throw it away anyway.

The original battery is Panasonic BR2450A
The sensors they use there are a bit more rugged than the ones we get here.

In America, your TPMS senors break. In Soviet Russia, TPMS sensors break you.
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Old 11-03-11, 11:56 AM   #9
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Good idea. These costs a lot to replace.
$64 on eBay for 4 tires. I got one set fro my winter tires. Wait until temp to drop below 45F for start using the tire and will see how well it works.
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Old 11-03-11, 01:12 PM   #10
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$64 on eBay for 4 tires. I got one set fro my winter tires. Wait until temp to drop below 45F for start using the tire and will see how well it works.
Of course, you do know you must 'activate' the connection with your car computer for it to recognize them? Otherwise, you will get the warning signal staying on.
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Old 11-03-11, 05:33 PM   #11
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Yes, the local Lexus dealer charges $50 for activating those sensors. I have recorded all four IDs before those sensors were installed. I can also purchase ATEQ Quickset tool at $150 for this task to save the time driving to the dealer and also prepared for future change of the TPMS - still debating which way to go to myself.
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Old 11-03-11, 06:14 PM   #12
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The sensors they use there are a bit more rugged than the ones we get here.

In America, your TPMS senors break. In Soviet Russia, TPMS sensors break you.
Most of the Lexuses on Russian roads were bought here and shipped over there. BTW, one of the most popular subjects on the http://www.club-lexus.ru is "how to change MPH to Km/h, Fahrenheit to Celsius, and MPG to l/100km"

I am not sure if, after replacing the batteries, the sensors have to be re-initialized at a dealership or not.
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Old 11-03-11, 10:37 PM   #13
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Most of the Lexuses on Russian roads were bought here and shipped over there. BTW, one of the most popular subjects on the http://www.club-lexus.ru is "how to change MPH to Km/h, Fahrenheit to Celsius, and MPG to l/100km"

I am not sure if, after replacing the batteries, the sensors have to be re-initialized at a dealership or not.
Understandably (but regrettably) clublexus.ru is in Russian, which I do not read not understand. If you have seen the answer: how does one change from MPH to Km/h of F to C, or mpg to l/100km?
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Old 11-03-11, 11:09 PM   #14
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Understandably (but regrettably) clublexus.ru is in Russian, which I do not read not understand. If you have seen the answer: how does one change from MPH to Km/h of F to C, or mpg to l/100km?
Its complicated. You have to remove the instrument cluster, remove the memory chip, re-program it and solder it back. There is a whole bunch of shops all around Russia that could do it for around $300.

Take a look at this video, it's in Russian, but you will get an idea of what's involved. I suspect that simply replacing the cluster with a one from Canada would be a lot simpler.
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Old 11-04-11, 12:37 PM   #15
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Its complicated. You have to remove the instrument cluster, remove the memory chip, re-program it and solder it back. There is a whole bunch of shops all around Russia that could do it for around $300.

Take a look at this video, it's in Russian, but you will get an idea of what's involved. I suspect that simply replacing the cluster with a one from Canada would be a lot simpler.
Thank you. Yes, one does get the idea from the video. What a pain in the neck... the BMW just requires one push of a button, without undoing anything.
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