Tire Pressure Monitoring System (TPMS) Warning Light Always On
The TPMS warning light is constantly illuminated on your 2020 Chevrolet Silverado 1500, indicating one or more tires have low pressure or the system has a fault. This reduces safety and fuel efficiency.
Diagnosis Details
Possible Causes
One or more tires are significantly under-inflated (below the recommended pressure, typically 35-40 psi for this vehicle).
TPMS sensor battery is dead or sensor is faulty (common after 5-7 years).
TPMS system needs relearn after tire rotation or replacement.
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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, inspect for punctures or leaks.
If pressures are correct, the TPMS sensor may need replacement or system relearn.
Visit a tire shop or dealership for diagnostic scan.
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.