Was at the dealer getting a state inspection done today and asked them to check the tire pressure, too. The SA asked if the TPMS light was on and said it activates when the pressure drops as little as 2 PSI. He then went on a praiseworthy speech about the Honda TPMS system haha. I knew this was bull because when I took first delivery of the car, each tire was 3-4 PSI low and no light came on. I just said whatever and adjusted the pressure myself at home. Just goes to show you SA does not always equal tech.
mclasser
TPMS sensitivity according to my dealer
1 reading
It seems the TPMS light on my older Pilot would come on at 28 lbs PSI. I haven't yet experience low tire pressure with the new Pilot, but I'd assume they are programmed in a similar fashion.
I've found the display to read within one or maybe two pounds of what by good pressure gauge shows. I've never had the light come on so can't comment on that, but the sensing system is pretty darn accurate.
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We rented a Dodge Journey recently, and the tire pressure warning was on when we picked it out of the lot late in the evening, 5º air temp. Drove ten miles before the tires were warm enough to put the light out. Checked the onboard display, and it was 3PSI below recommended pressure in the morning. Light was on again. Some systems are really sensitive.
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We rented a Dodge Journey recently, and the tire pressure warning was on when we picked it out of the lot late in the evening, 5º air temp. Drove ten miles before the tires were warm enough to put the light out. Checked the onboard display, and it was 3PSI below recommended pressure in the morning. Light was on again. Some systems are really sensitive.
Here is a quick explanation from tpmsmadesimple.com
Will the TPMS light come on if my tires are overinflated?
Not necessarily. The TREAD Act/FMVSS 138 requires the TPMS warning light to come ON when the tire pressure drops below 25% of the placard tire pressure. The TREAD Act/FMVSS 138 does not require the TPMS warning light to come ON when the tires are overinflated; however, there are systems available that do warn the driver of overinflation.
Will the TPMS light come on if my tires are overinflated?
Not necessarily. The TREAD Act/FMVSS 138 requires the TPMS warning light to come ON when the tire pressure drops below 25% of the placard tire pressure. The TREAD Act/FMVSS 138 does not require the TPMS warning light to come ON when the tires are overinflated; however, there are systems available that do warn the driver of overinflation.
Took the Pilot on a road trip over the weekend to get some break in miles on her. We experienced a 20 deg shift in weather when we got to our destination. After check-in, we decided to get lunch and I noticed the TPMS light go on (left rear tire). I was thinking to myself that it was probably just the cold. I ignored it that day. The next day, TPMS indicated 3 tires. I checked the pressure and they were all 29 psi. The right front did not trigger the TPMS yet, that was 30 psi. I inflated all 4 tires to recommended psi before heading home.
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