Symptoms
- Tire pressures confirmed correct with a gauge
- Warning light stays on regardless
- Light doesn't clear even after driving several miles
Likely causes
- CommonSystem hasn't completed its recheck drive cycleMany systems need 10–20 minutes of driving above a certain speed to reset.
- CommonReset procedure not performedSome vehicles need a dashboard button held or a menu reset after correcting pressure.
- PossibleFailed or dead sensor batteryIf reset attempts fail repeatedly, the sensor itself may need replacement.
What to do
- Recheck all tire pressures, including the spare if it's monitored, to confirm they match the door jamb spec.
- Look up your specific vehicle's TPMS reset procedure in the owner's manual.
- Drive at highway speed for 10–20 minutes to allow the system to recheck automatically.
- Try the manual reset button or menu sequence if your car has one.
- If the light still won't clear, have a shop scan the TPMS system to identify a failed sensor.
Tools and parts
- Tire pressure gauge
- Owner's manual
Replacement TPMS sensorSearch: “TPMS sensor for [your car make and model]”
When to call a pro
If manual reset and a drive cycle don't clear the light, a shop can scan the system to find the specific faulty sensor.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.