2010 Mitsubishi Galant Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2010 Mitsubishi Galant

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Reviewed by
Devin Cabugcal
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 2010 Mitsubishi Galant 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 2010 Mitsubishi Galant 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.

When a tire pressure monitoring sensor fails, the tire pressure monitoring system control module will recognize a loss in communication and turn on the warning lamp which indicates the failure. This is most often the case. However, the tire pressure monitoring sensor may also fail by reporting incorrect tire pressures. This could cause a flat tire to go unrecognized, or a properly inflated tire to signal a low or high tire pressure warning.

When a relearn is needed, for any reason, the TPMS warning light will illuminate, and many vehicles will display a message relating to the TPMS system being inoperative or loosing communication. It is important to keep a watchful eye on tire pressures when this system is having issues because there is no warning available for underinflation or overinflation of the tires.

Wheels offer very few symptoms, but these symptoms should never be ignored. Visible cracks on the wheels may appear, especially after hitting a large bump, Most often, this will also be accompanied by loss of air from the tire on that wheel. Also, vibration in the steering wheel is very common when the tire is out of balance, and improper wheel nuts or bolts can cause creaking and popping noises to develop. Again, there are very few symptoms, but they should not be ignored.

The only symptoms of a TPMS control module failure are failing to alert the driver of underinflation or overinflation of one or more tires, failure to communicate with the body control module or TPMS sensors, or erroneously reporting incorrect tire pressure.

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 are the initial steps to diagnose a persistent tire pressure warning light on a 2010 Mitsubishi Galant?

When faced with a persistent tire pressure warning light on your 2010 Mitsubishi Galant, it's essential to adopt a methodical diagnostic approach. Start by checking the tire pressure in all four tires, ensuring they are inflated to the levels specified in your owner's manual, as incorrect pressure is a common culprit. Next, visually inspect each tire for any signs of damage, such as punctures or bulges, which could be affecting the pressure. If the tires appear to be in good condition, attempt to reset the tire pressure monitoring system following the manufacturer's instructions; this can sometimes resolve minor glitches. If the warning light remains illuminated, examine the tire pressure sensors for any signs of malfunction or damage, as faulty sensors can trigger the warning. Finally, if the issue persists, consider using a diagnostic tool to scan for fault codes related to the tire pressure monitoring system, which can help identify more complex issues. By following these steps, you can effectively diagnose and address the tire pressure warning light, ensuring your vehicle remains safe and roadworthy.

What could cause the tire pressure warning light to stay on in a 2010 Mitsubishi Galant?

When the tire pressure warning light remains on in your 2010 Mitsubishi Galant, it can be frustrating, but understanding the common problems can help you diagnose the issue. One of the primary culprits is low tire pressure, which is easily checked and adjusted using a tire pressure gauge. If the pressure is adequate, the problem may lie with a faulty tire pressure sensor, which could require replacement. Additionally, the sensors might need recalibration to ensure they are accurately reading the tire pressure levels. Electrical faults within the tire pressure monitoring system can also trigger the warning light, so inspecting the wiring and connections is crucial. Lastly, if all else fails, performing a system reset according to the manufacturer's guidelines can often clear false alerts and turn off the warning light. By systematically addressing these potential issues, you can effectively troubleshoot and resolve the tire pressure warning light concern in your vehicle.

How urgent is it to address the tire pressure warning light that stays on in a 2010 Mitsubishi Galant?

Addressing the tire pressure warning light in your 2010 Mitsubishi Galant is not just a matter of convenience; it is a critical safety concern that requires immediate attention. When this warning light remains illuminated, it signals that your tires may be underinflated, which can severely compromise your vehicle's handling and braking capabilities. This increases the likelihood of accidents, particularly in emergency situations where quick response is essential. Furthermore, driving on underinflated tires accelerates uneven wear, significantly shortening their lifespan and heightening the risk of a blowout, which can lead to costly repairs and dangerous driving conditions. Additionally, low tire pressure can negatively impact your vehicle's fuel efficiency, resulting in higher fuel costs over time. Ignoring the warning light may also indicate a malfunction in the Tire Pressure Monitoring System (TPMS), necessitating repairs to ensure accurate monitoring. Therefore, it is crucial to check and inflate your tires to the recommended pressure levels as soon as possible, not only to maintain safety but also to protect your investment in your vehicle.

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2010 Mitsubishi Galant Tire Pressure Warning Light Fixes