2023 Subaru Impreza Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2023 Subaru Impreza: Causes and Solutions

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Tire Leaking Air
0%
30% chance it's the
Wheel Leaking Air
0%
15% chance it's the
Tire Pressure Monitoring System
0%
15% chance it's
Something else
The most common reasons a 2023 Subaru Impreza tire pressure warning light stays on are a leaking tire, a wheel that no longer holds air, or a faulty tire pressure monitoring system.
  • Tire Leaking Air: A puncture, valve stem issue, or rim damage can cause a tire to leak air, leading to loss of pressure.
  • Wheel Leaking Air: A puncture or damage to the tire or rim can cause air to leak, resulting in a loss of tire pressure.
  • Tire Pressure Monitoring System: A malfunctioning tire pressure monitoring system can be caused by faulty sensors or a dead battery in the sensor units.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2023 Subaru Impreza tire pressure warning light stays on?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

The only symptoms requiring diagnosis for the tire pressure monitoring system warning lamp is if the warning lamp has illuminated while the tires have correct air pressure, or if the air pressure for the tires is out of specification and the warning lamp is off. This is because the overwhelming majority of cases where the TPMS lamp illuminates is due to the change in ambient temperature.

What steps should I take to diagnose the tire pressure warning light issue on my 2023 Subaru Impreza?

To effectively diagnose the tire pressure warning light issue on your 2023 Subaru Impreza, begin with a straightforward approach that prioritizes simple solutions before delving into more complex diagnostics. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that each tire is inflated to the recommended PSI as indicated in your owner's manual or on the driver's side door jamb sticker. Next, conduct a thorough visual inspection of each tire for any signs of damage, such as punctures, cuts, or bulges, and look for any foreign objects lodged in the tread. If you find any tires underinflated, fill them to the correct pressure, and if any are overinflated, release some air to achieve the proper level. After adjusting the tire pressures, you may need to reset the Tire Pressure Monitoring System (TPMS) through your vehicle's settings menu or by following the specific instructions in your manual. Finally, take your Impreza for a short drive to see if the warning light turns off, as it may take a few minutes for the system to reset. If the light remains illuminated despite these efforts, it’s wise to consult a mechanic or a Subaru dealership for a more comprehensive inspection, as there may be deeper issues with the TPMS sensors or the tires themselves that require professional expertise. By following this methodical approach, you can efficiently address the tire pressure warning light issue and ensure your vehicle's safety and performance.

What could be causing the tire pressure warning light to stay on in a 2023 Subaru Impreza?

When the tire pressure warning light stays on in a 2023 Subaru Impreza, it can indicate several underlying issues that DIY enthusiasts can troubleshoot. The most common reason is low tire pressure, so the first step is to check and inflate each tire to the recommended levels. If the pressure is adequate, the next area to investigate is the tire pressure sensors; a malfunctioning sensor may need replacement or recalibration. Additionally, consider the possibility of dead batteries in the sensors, which can be replaced if necessary. It's also important to inspect the wiring and connections associated with the tire pressure monitoring system, as any damage or loose connections can trigger the warning light. Environmental factors, such as drastic temperature changes, can impact tire pressure, making it essential to check the pressure during these fluctuations. Lastly, if all checks are performed and the light remains on, recalibrating the tire pressure monitoring system may be required for accurate readings. If the issue persists after these DIY efforts, seeking assistance from a qualified mechanic is recommended for a comprehensive diagnosis.

What should I do if the tire pressure warning light stays on in my 2023 Subaru Impreza?

When the tire pressure warning light remains illuminated in your 2023 Subaru Impreza, it is crucial to take immediate action to ensure your safety and the longevity of your vehicle. Ignoring this warning can lead to decreased traction, increased tire wear, and even tire blowouts, which pose significant risks while driving. Start by checking the tire pressure in all four tires with a reliable gauge, ensuring they are inflated to the recommended levels found in your owner's manual. If you discover any underinflated tires, inflate them accordingly to help reset the tire pressure monitoring system. Additionally, inspect your tires for any visible damage, such as punctures or leaks, as these can exacerbate the problem. If the warning light persists after addressing tire pressure and inspecting for damage, consult your owner's manual for instructions on manually resetting the system. However, if the light continues to stay on, it may indicate a more serious issue with the tire pressure monitoring system itself, necessitating a visit to a qualified mechanic or dealership for further diagnosis and repair. Taking these steps not only enhances your driving safety but also helps prevent costly repairs down the line.

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