I've had to replace two of the sensors on my 2006 in the last year. The battery goes dead. Got them replaced at Discount Tire. Not sure what the price was. No more continuous light. You can get them checked at a tire shop.
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Originally Posted by Marlin84
(Post 6325847)
Went to the Nissan dealer near work yesterday, quoted me $250 per wheel to replace the pressure sensors and clear the light. I mentioned that my tire shop was concerned that there may be an issue with the computer itself, since their handheld device was able to determine that each wheel is still broadcasting a signal (though they were all slow to respond, which might mean that at least one is too weak for the TMPS receiver to pick up the signal..) The service write was very dismissive, as if to say "What would a tire shop know about a TPMS system? Only we here at Nissan can tell you what's wrong with your car."
When he said $250, I thought he might mean to diagnose and replace any of the sensors that needed replacing, whether it was 1 or 4.. When I had him clarify, and he said "per wheel", I would have spit my drink on him, had I been drinking anything. He even dismissed my inquiry about how long the internal batteries typically last on the sensors. I swear at one point he was about to try and tell me they don't have batteries, and stopped himself and said "They don't lose power, they just go bad." Nice enough guy to talk with, just definitely turned me off of ever bringing my car there for service. I guess I'm gonna live with it until the next time I melt my tires off. I should get almost 2 more years out of all 4 tires, and have them wear out together this time. At that point, I might have enough saved to explore a wheel upgrade along with new rubber. I'll consider just getting 4 new sensors installed, if the wheels allow for it, but I'll probably just forgo paying $240 for a dummy safety system. I mean, it won't warn you unless you're really far off.. I don't want to get in a bad habit of thinking everything's great even though I could be running at 26 psi and destroying my shoulders. Manual inspection is hard to replace. |
OK genius. If they don't have a battery how do they generate a signal? By rubbing 2 diodes together?
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Each wheel has a mini electrical power plant which then centrifuges its electricity out in a broadband spectrum to the little man with a tinfoil hat who sits on the lower control arm. He sends a wireless telegraph message to the black helicopter that lives inside the dashboard ventilation system. The copter flies over behind your instrument panel and lands on a tiny pressure plate that toggles your TPMS warning light to turn on. Check the FSM.
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BTW, last year I go a set of 4 pressure sensors for the G from Rock Auto for about $140. They work fine.
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Originally Posted by Bassman
(Post 6984772)
BTW, last year I go a set of 4 pressure sensors for the G from Rock Auto for about $140. They work fine.
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Originally Posted by G2B35AGN
(Post 6984768)
Each wheel has a mini electrical power plant which then centrifuges its electricity out in a broadband spectrum to the little man with a tinfoil hat who sits on the lower control arm. He sends a wireless telegraph message to the black helicopter that lives inside the dashboard ventilation system. The copter flies over behind your instrument panel and lands on a tiny pressure plate that toggles your TPMS warning light to turn on. Check the FSM.
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My OE TPMS were in 4 sets of wheels over 10+ years and finally got flaky showing up on my dash with a warning after driving 25 to 30 miles. Replaced them with eBay sensors costing $120= for the set, installed at Americas tire was another $120= and they're working fine! Our vendor Infiniti dealership wanted $420= for the set with our discount shipped but then I'd still have to pay the install fee...you figure it out! The difference is almost enough to by me a new rear bumper, less paint!
Gary |
Originally Posted by gary c
(Post 6986724)
My OE TPMS were in 4 sets of wheels over 10+ years and finally got flaky showing up on my dash with a warning after driving 25 to 30 miles. Replaced them with eBay sensors costing $120= for the set, installed at Americas tire was another $120= and they're working fine! Our vendor Infiniti dealership wanted $420= for the set with our discount shipped but then I'd still have to pay the install fee...you figure it out! The difference is almost enough to by me a new rear bumper, less paint! Gary
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I had the same issue. While driving normally, I heard a loud beep for more than 5 seconds. I thought it's from the song I am listening to. I lowered the volume, and it was so loud. I looked at the dashboard, and noticed the tire pressure light is on (first time it happens). I pulled over to check the tires, but they seemed fine. I took it to a mechanic the next morning to check the tires pressure. He said the tires pressure are perfect. I drove aggressively for like 30-40 minutes, and it went away.
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I, myself, don't have TPMS on my wheels I'm rocking now, but when I park next to my friends Z the TPMS light turns on in my dash..... I just don't get it... I wonder if my tires are bad....? :)
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