Tire Pressure Monitoring System (TPMS) Warning Light Always On
The TPMS warning light is constantly illuminated on your 2020 Jeep Grand Cherokee, indicating that one or more tires have low pressure or the system has a fault. This can affect handling, fuel economy, and tire wear.
Diagnosis Details
Possible Causes
One or more tires are significantly under-inflated (below the recommended pressure).
TPMS sensor battery failure or sensor damage (common after tire rotation or replacement).
Faulty TPMS receiver module or wiring issue in the vehicle.
Related OBD-II Codes
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What You Should Do
Check and adjust all tire pressures to the recommended PSI (found on driver's door jamb sticker).
If the light remains on after driving a few miles, have the TPMS system scanned with a diagnostic tool to identify the faulty sensor or module.
Estimated Repair Cost
$0 (if just inflating tires) 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.