tire pressure monitoring system is on on Toyota 4Runner

Average mileage: 92,699 (29,000–147,999)
2 model years affected: 2004, 2005
13 people reported this problem
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Viewing 1 - 8 of 8 problem details
2004 Toyota 4Runner 29,000 mi,
tire pressure indicator stays on, even though tire pressure is good
2005 Toyota 4Runner 147,999 mi,
Tire pressure light comes on erratically. I add air or check tire pressure but light continues to come on erratically.
check the spare. that fixed mine.
2004 Toyota 4Runner 127,000 mi,
Tire pressure light is on
2004 Toyota 4Runner 80,000 mi,
Always shows light for under inflated tires, although I just aired them up
2005 Toyota 4Runner 105,000 mi,
non-penetrating nail in tread caused tpms to go on, despite no loss of air pressure. light turned off by tire shop, but they saw after 100,000 the sensors tend to need replacement at about a cost of $50 per tire including mounting tire.
2004 Toyota 4Runner 110,000 mi,
My tire pressure sensor unit in the spare tire is broken, and needs the rubber tire valve replaced with a metal valve
my tpms light is on -tried resetting it @ toyota to no avail ?