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TPMS Warning Light (Low Tire Pressure)

Amber - needs attention

tire pressure light · low tire pressure light · tire pressure monitoring system light

What it means

A horseshoe-shaped light with an exclamation point means the tire pressure monitoring system has detected one or more tires below the recommended pressure. If it flashes for about a minute then stays on, the TPMS system itself has a fault rather than the tires.

Common causes

  • One or more tires losing pressure from a slow leak or temperature drop
  • A puncture or nail in a tire
  • Faulty TPMS sensor battery (sensors are typically good for 5-10 years)
  • TPMS sensor not registered after a tire rotation or replacement

What to do

Check all four tire pressures (including the spare on some systems) with a gauge and inflate to the pressure listed on the driver door jamb sticker, not the number on the tire sidewall. Inspect for punctures if a tire keeps losing air.

Can you keep driving?

Yes, but check pressures soon - underinflated tires wear unevenly, hurt fuel economy, and increase blowout risk, especially at highway speed.

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Descriptions are for guidance only and do not replace a workshop inspection. If you are ever unsure whether it is safe to keep driving, pull over in a safe spot.

Related symptoms

This warning light sometimes appears alongside these symptoms:

Related warning lights

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