Tire Pressure Monitoring System (TPMS) Warning Light Always On
The TPMS warning light is constantly illuminated on a 2019 Hyundai Elantra, indicating that one or more tires have low pressure or the system has a fault.
Diagnosis Details
Possible Causes
One or more tires are significantly under-inflated (below the recommended pressure, typically 32-35 psi).
TPMS sensor battery failure or sensor damage (common after 5-7 years).
Faulty TPMS receiver module or wiring issue.
Related OBD-II Codes
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What You Should Do
Check and adjust tire pressures to the recommended level (found on driver's door jamb sticker).
If light remains on after driving a few miles, have the TPMS system scanned for sensor faults or battery failures.
Estimated Repair Cost
$0 (if just adding air) to $50-$150 per sensor replacement, plus labor
Typical range: $50 – $150
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.