How to Check Tire PressureFind target. Check cold. Adjust safely.

Tools · How to Check Tire Pressure

TPMS Light Troubleshooter

Separate low pressure, a blinking system fault, and a light that stays on after a correct fill.

PSI ADJUSTERCold pressure reference tool
READY
TARGET - READINGAdd 4 PSITarget 35 PSI, current 31 PSI. Add air in short bursts.
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Short answer

Start with a gauge. If the tires match the label and the lamp is still blinking or stays on, you are in sensor or reset territory. If a tire is low, inflate or inspect first.

The troubleshooter is a decision order, not a parts catalog. Most lights are low air after a cold night. The expensive mistakes are resetting a low tire or ignoring a blinking fault while a tire is actually down.

After a tire rotation or winter-wheel swap, sensors may need a relearn. Measure first so you do not blame the module for a puncture.

Step-by-step

  1. 1Note solid versus blinking.
  2. 2Measure all tires against the label.
  3. 3Inflate or inspect before reset.
  4. 4If pressures are correct and the lamp remains, follow the manual's sensor/relearn steps.

Common mistakes

Buying sensors first Air is cheaper than parts.

Resetting a low tire You silence the warning.

Safety notes

A blinking lamp does not prove the tires are safe. Measure them.

FAQ

Can I clear the light by disconnecting the battery? That does not fix pressure or a failed sensor.

Related next steps

Tire pressure calculatorCompare the door-label target with the gauge reading.Gas station pumpAdd air after you already know the target.Tire pressure lightCheck tires before you reset TPMS.Find the target PSIUse the door label, not the sidewall.