Why is my tire pressure light still on after filling tires on my Acura RDX?
Seeing your tire pressure warning light stay on even after filling your tires can be frustrating and confusing. This issue is not uncommon and can happen for several reasons. In this article, we’ll explore the possible causes and solutions to help you address the problem effectively.
Understanding the Tire Pressure Monitoring System (TPMS)
The Tire Pressure Monitoring System (TPMS) in your Acura RDX is designed to alert you when one or more of your tires are underinflated. This system plays a crucial role in maintaining your vehicle's safety, fuel efficiency, and tire longevity. However, even after inflating your tires to the recommended pressure, the TPMS light may remain illuminated due to various factors.
Possible Reasons Your TPMS Light Is Still On
- Incorrect Tire Pressure: If the tires are not inflated to the exact pressure recommended by Acura (usually found in your owner’s manual or on the driver’s side door jamb), the TPMS may not reset.
- Temperature Fluctuations: Sudden changes in temperature can cause tire pressure to drop or rise, triggering the TPMS light even after filling the tires.
- Faulty TPMS Sensor: A malfunctioning or damaged TPMS sensor in one or more tires can prevent the system from resetting properly.
- Spare Tire Issue: If your Acura RDX has a spare tire equipped with a TPMS sensor, it may also need to be checked and inflated to the correct pressure.
- System Reset Required: In some cases, the TPMS system needs to be manually reset after adjusting tire pressure. This process varies by vehicle model and may require consulting your owner’s manual.
Each of these issues can contribute to the TPMS light staying on. Identifying the root cause is essential for resolving the problem.
Steps to Resolve the Issue
- Check Tire Pressure: Use a reliable tire pressure gauge to ensure all tires, including the spare, are inflated to the recommended PSI (pounds per square inch).
- Inspect for Damage: Look for any visible damage to the tires or TPMS sensors, such as punctures or corrosion.
- Reset the TPMS: Follow the instructions in your Acura RDX owner’s manual to reset the TPMS system. This may involve pressing a button or navigating through the vehicle’s infotainment system.
- Drive the Vehicle: After inflating the tires and resetting the system, drive your Acura RDX for a few miles at a moderate speed to allow the TPMS to recalibrate.
- Visit a Professional: If the light remains on, it’s best to visit a trusted auto repair shop to diagnose and fix the issue. A professional can check for sensor malfunctions or other underlying problems.
By following these steps, you can often resolve the issue and ensure your TPMS is functioning correctly.
When to Seek Professional Help
If you’ve tried the above steps and the TPMS light is still on, it’s time to consult a professional mechanic. At Kevin’s Autos, we specialize in diagnosing and repairing TPMS issues for all makes and models, including the Acura RDX. Our experienced technicians can quickly identify the problem and get you back on the road safely.
Don’t ignore your TPMS light—it’s there to keep you safe. If you’re in the Mountain View, CA area, give us a call at (650) 965-7112 or visit our shop for expert assistance. We’re here to help with all your auto repair needs!
Frequently Asked Questions
What is the recommended tire pressure for Acura RDX?
around 32-35 pounds per square inch
Most Acura vehicles have a recommended tire pressure of around 32-35 pounds per square inch (PSI). For a specific tire pressure number for your Acura vehicle, consult your owner's manual or the sticker that should be on the door frame of the driver's side door.
Why is my TPMS light still on after putting air in tires?
(spare still inuse)... the TPMS light will REMAIN on. This is because the TPMS system knows that the tire inside the vehicle is not spinning. This is one way the TPMS sensors extend battery-life. The transmitters do not come on unless tires are spinning.
What is the tire pressure for an Acura RDX?
around 32-35 pounds per square inch
Most Acura vehicles have a recommended tire pressure of around 32-35 pounds per square inch (PSI). For a specific tire pressure number for your Acura vehicle, consult your owner's manual or the sticker that should be on the door frame of the driver's side door.
Why is my tire pressure light on if all my tires are fine?
If you've added air but the air pressure warning light stays on, there's a problem with your Tire Pressure Monitoring System or you have a slow leak... Quick Tip: If the TPMS warning light comes back on after you've filled the tire with air, recheck the tire to make sure it is inflated to the proper air pressure.
How to reset tire pressure sensor on Acura RDX?
Turn the key to “On” (one position to the right), but don't start the car. Now hold down the “TPMS Reset” button until the flashing tire pressure light blinks three times. Start the engine and wait 20 minutes. Check your owner's manual if you have trouble finding the reset button.
How long does it take for tire pressure light to go off after filling?
Once your tires are at the appropriate pressure, the light may go off on its own. If it doesn't go off right away, driving at 50 mph for about 10 minutes should help the tire pressure sensor reset.
Why is my tire pressure light still on after filling tires on my Acura?
You will need to confirm the air pressure in all tires are good, if light still remains on, its possible the non-replaceable battery in one of the sensors has died and will need to be replaced at a tire center. Its a good idea to replace all of them if possible as they will begin to fail after the first one.
How do you reset the TPMS light after filling tires?
After properly inflating your tires, the tire pressure light should automatically turn off. However, if the TPMS light remains on, there are a few things you can do: Drive at or above 50 mph for 10 minutes to reset the sensor. This can cause your sensor to reset when you turn on your vehicle.
