Tire Pressure Monitoring System (TPMS)
Caution — Service soon
What It Means
One or more tires has low pressure (solid light) or the TPMS system itself has a fault (flashing light). Underinflated tires reduce fuel economy, increase stopping distance, and can cause blowouts at highway speeds.
Common Causes
- Low tire pressure (most common — check and inflate to door placard spec)
- Seasonal temperature drop (pressure drops ~1 PSI per 10°F)
- Slow leak from nail or puncture
- Dead TPMS sensor battery (sensors last 5-10 years)
- Faulty TPMS receiver module
- Tire rotation without TPMS relearn procedure
Can I Still Drive?
Yes, but check and inflate tires as soon as possible. If the light flashes then stays solid, a TPMS sensor has failed — safe to drive but the system cannot warn you of low pressure. Get sensors replaced at your next tire service.
Estimated Repair Cost
$0 – $400
This is an estimate only. Actual costs vary by vehicle make, model, year, location, and shop labor rates. Always get multiple quotes for major repairs.
Related OBD-II Trouble Codes
These OBD codes are commonly associated with this warning light. Scan your vehicle with an OBD-II scanner to get the exact code before diagnosing.