Tire Pressure Monitoring System (TPMS) Warning Light Always On
The TPMS warning light is constantly illuminated, indicating that one or more tires have low pressure or the system has a fault. This can affect tire wear, fuel economy, and safety.
Diagnosis Details
Possible Causes
One or more tires are significantly under-inflated (below the recommended pressure).
TPMS sensor battery failure or sensor malfunction.
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 PSI (usually 36-38 psi for a 2020 Jeep Wrangler).
If the light remains on after correcting pressures, have the TPMS system scanned for fault codes and sensor health.
Estimated Repair Cost
Free to check pressures; sensor replacement $50-$150 per sensor plus labor; module repair $200-$500.
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.