A blinking TPMS (Tire Pressure Monitoring System) light on your 2013 Toyota Corolla can be a frustrating and potentially concerning issue. It’s more than just an annoying dashboard indicator; it signals a problem within your vehicle’s tire pressure monitoring system, and addressing it promptly is crucial for safety, fuel efficiency, and tire longevity. This article will delve into the common reasons behind a blinking TPMS light, offering insights and potential solutions to help you resolve the issue.
Understanding the TPMS and Its Importance
The TPMS is an electronic system designed to monitor the air pressure inside your tires. It relays this information to your car’s computer, which in turn alerts you via the dashboard warning light if the pressure in one or more tires falls significantly below the recommended level. Keeping your tires properly inflated is paramount.
Proper inflation improves fuel economy, enhances tire life by reducing uneven wear, and most importantly, improves vehicle handling and braking performance, contributing to overall safety.
A blinking TPMS light differs from a solid one. A solid light typically indicates that one or more of your tires are underinflated. However, a blinking light often suggests a more serious problem, usually related to a malfunction in the TPMS itself.
Common Causes of a Blinking TPMS Light on a 2013 Corolla
Several factors can trigger a blinking TPMS light on your 2013 Toyota Corolla. Here are some of the most prevalent causes:
Sensor Malfunction
The most frequent culprit behind a blinking TPMS light is a malfunctioning sensor. Each tire has a sensor that monitors pressure and transmits the data wirelessly to the car’s computer. These sensors have a limited lifespan, typically 5-10 years, and can fail due to battery depletion, physical damage, or corrosion. A dead or faulty sensor will disrupt the communication and cause the TPMS light to blink.
Sensor Battery Failure
TPMS sensors are powered by small batteries. Over time, these batteries naturally degrade, and when they reach the end of their life, the sensor stops functioning properly. The blinking light is often a sign that one or more of the sensor batteries are nearing depletion or have completely died. This is a common issue in older vehicles like the 2013 Corolla.
TPMS System Error
Sometimes, the issue lies not within a specific sensor, but with the overall TPMS system itself. This could be due to a software glitch in the car’s computer, a wiring problem, or a faulty TPMS receiver. A system-wide error can prevent the TPMS from accurately reading the sensor data, resulting in the blinking light.
Incorrect Sensor Installation or Replacement
If you’ve recently had your tires replaced or TPMS sensors installed, the blinking light could be due to an incorrect installation or the use of incompatible sensors. It’s crucial to ensure that the sensors are properly installed and programmed to be compatible with your 2013 Corolla. Aftermarket sensors can sometimes cause issues if they are not specifically designed for your vehicle.
Spare Tire Not Equipped with a Sensor
Your spare tire may not be equipped with a TPMS sensor, especially if it’s a temporary or “donut” spare. When the system detects a missing sensor signal (because the spare tire is in use), it can trigger the blinking TPMS light. Returning to tires with functioning sensors should resolve this issue.
Interference from Electronic Devices
Although less common, strong electromagnetic interference from aftermarket electronic devices, such as a poorly installed car alarm or radio transmitter, could potentially interfere with the TPMS signal, causing the light to blink.
Diagnosing the Blinking TPMS Light
Pinpointing the exact cause of the blinking TPMS light requires a systematic approach. Here’s how you can diagnose the problem:
Check Tire Pressure Manually
The first step is to manually check the air pressure in all four tires (and the spare, if it’s a full-size tire with a sensor) using a reliable tire pressure gauge. Compare the readings to the recommended tire pressure listed on the sticker located on the driver’s side doorjamb or in your owner’s manual. If any tires are significantly underinflated, inflate them to the correct pressure and drive the car for a short distance to see if the light goes off. Even if the light remains blinking, ensuring proper inflation is crucial.
Visual Inspection of the Sensors
Carefully inspect the TPMS sensors on each tire for any signs of physical damage, such as cracks, corrosion, or loose components. While this may not reveal internal problems, it can help identify obvious issues. Look for any visible signs of wear and tear that might indicate a failing sensor.
Use a TPMS Scan Tool
A TPMS scan tool is a specialized device that can read the data transmitted by the TPMS sensors. It can identify which sensor is malfunctioning, display the sensor’s battery life, and reveal any error codes stored in the TPMS system. A professional mechanic typically uses a TPMS scan tool to diagnose the problem accurately. Some auto parts stores may offer free TPMS scans.
Consult a Qualified Mechanic
If you’re unable to diagnose the problem yourself, it’s best to consult a qualified mechanic. They have the expertise and equipment to accurately diagnose the cause of the blinking TPMS light and perform the necessary repairs. A professional mechanic can perform comprehensive diagnostics, including checking the TPMS module, wiring, and sensors.
Troubleshooting and Potential Solutions
Once you’ve identified the cause of the blinking TPMS light, you can take steps to resolve the issue. Here are some potential solutions:
Replacing Faulty Sensors
If a sensor is identified as faulty, the most common solution is to replace it. When replacing a TPMS sensor, it’s crucial to use a compatible sensor that is specifically designed for your 2013 Toyota Corolla. After installation, the new sensor will need to be programmed to the vehicle’s TPMS system, which can be done using a TPMS scan tool.
TPMS System Reset
Sometimes, the TPMS system may need to be reset after replacing a sensor or correcting a tire pressure issue. The reset procedure may vary depending on the vehicle, so consult your owner’s manual or a mechanic for specific instructions. Some vehicles may automatically reset the TPMS after driving for a certain distance, while others may require a manual reset using a scan tool.
Addressing Wiring Issues
If the blinking TPMS light is caused by a wiring problem, a mechanic will need to inspect the wiring harness for any damage, corrosion, or loose connections. Repairing or replacing the affected wiring can resolve the issue.
Software Updates
In some cases, a software update for the car’s computer may be necessary to fix a TPMS system error. A mechanic can perform a software update to ensure that the TPMS system is functioning correctly.
Professional Diagnostic and Repair
For complex issues or if you’re unsure about performing the repairs yourself, it’s always best to seek professional help. A qualified mechanic can accurately diagnose the problem and perform the necessary repairs to ensure that your TPMS system is functioning correctly and safely.
Preventative Maintenance
While you can’t completely prevent TPMS issues, you can take steps to minimize the risk and extend the lifespan of your TPMS sensors:
Regular Tire Pressure Checks
Check your tire pressure at least once a month and before any long trips. Maintaining proper tire pressure is not only essential for safety and fuel economy but also helps to extend the life of your TPMS sensors.
Avoid Harsh Chemicals on Tires
Avoid using harsh chemicals or tire shine products that can damage the TPMS sensors. Some chemicals can corrode the sensors or interfere with their function.
Professional Tire Rotations
Have your tires rotated regularly by a qualified mechanic. During a tire rotation, the mechanic can also inspect the TPMS sensors for any signs of damage or wear.
Addressing a blinking TPMS light promptly is crucial for ensuring the safety and performance of your 2013 Toyota Corolla. By understanding the common causes, diagnosing the problem effectively, and taking appropriate corrective measures, you can resolve the issue and maintain a safe and efficient driving experience. Remember, when in doubt, consult a qualified mechanic for professional assistance.
What does a blinking TPMS light on my 2013 Toyota Corolla indicate?
A blinking TPMS (Tire Pressure Monitoring System) light, as opposed to a steady illuminated light, typically signifies a problem with the TPMS system itself, not necessarily low tire pressure. This could mean a malfunctioning sensor, a dead sensor battery, or an issue with the TPMS control module. The system is detecting an error, and the blinking is a warning that it’s unable to accurately monitor your tire pressures.
Ignoring a blinking TPMS light can lead to inaccurate tire pressure readings and potential safety risks. The system might not warn you of a genuinely low tire, affecting your vehicle’s handling, braking, and fuel efficiency. It’s important to have the system diagnosed by a qualified mechanic to identify the specific issue and ensure proper functioning of the TPMS.
How long does a TPMS sensor battery last on a 2013 Toyota Corolla?
TPMS sensor batteries generally last between 5 to 10 years, depending on usage and environmental conditions. Extreme temperatures and frequent driving can shorten the battery life. The sensors are constantly transmitting data, so even when the vehicle is parked, they’re consuming some power. Consider the age of your Corolla; if the sensors have never been replaced, battery failure is a likely cause of the blinking light.
Once a TPMS sensor battery dies, the entire sensor usually needs to be replaced, as the batteries are typically not replaceable separately. Replacing all four sensors at once is often recommended to ensure consistent performance and avoid future issues. This proactive approach can save time and labor costs in the long run.
Can cold weather cause the TPMS light to blink on my 2013 Toyota Corolla?
While cold weather can cause tire pressure to drop, triggering a solid TPMS light, it’s less likely to directly cause a blinking TPMS light. The more typical scenario is a solid light indicating low pressure because the air inside the tires contracts as the temperature drops. However, if cold weather is exacerbating an already weak sensor battery or a pre-existing system fault, it could indirectly contribute to the blinking.
If your TPMS light starts blinking after a significant temperature drop, check your tire pressures first. Inflate your tires to the recommended pressure (found on the sticker inside your driver’s side door). If the light continues to blink after inflating the tires to the correct pressure, you likely have a problem with the TPMS system itself that requires professional diagnosis.
Is it safe to drive with a blinking TPMS light on my 2013 Toyota Corolla?
It’s generally safe to drive with a blinking TPMS light, but it’s not recommended to do so for an extended period. The blinking light indicates a malfunction within the TPMS system, meaning it’s not accurately monitoring your tire pressures. You won’t receive reliable low tire pressure warnings, potentially leading to unsafe driving conditions.
While the vehicle will still function, you’ll need to manually check your tire pressures regularly to ensure they are within the recommended range. Schedule an appointment with a mechanic as soon as possible to diagnose and repair the TPMS system. Addressing the issue promptly will ensure your safety and prevent potential damage to your tires and vehicle.
How do I reset the TPMS light on my 2013 Toyota Corolla?
There is no manual reset button for the TPMS system on a 2013 Toyota Corolla. The system is designed to automatically reset itself once the issue causing the light is resolved. If your tire pressures are correct and the TPMS sensors are functioning properly, the light should turn off after driving a short distance (typically within 10-20 minutes).
If the TPMS light remains on or blinking after correcting your tire pressures, it indicates an underlying problem with the TPMS system, such as a faulty sensor or a system malfunction. Attempting to reset the light manually won’t resolve the issue and the light will likely reappear. Professional diagnosis and repair are necessary in this situation.
How much does it cost to fix a blinking TPMS light on a 2013 Toyota Corolla?
The cost to fix a blinking TPMS light can vary depending on the cause of the problem. If it’s a simple issue like a faulty TPMS sensor, replacing one sensor typically costs between $50 and $200, including parts and labor. The price can vary based on the brand of sensor and the labor rates of the mechanic.
If the problem is more complex, such as a malfunctioning TPMS control module or wiring issue, the cost can be significantly higher. A diagnostic fee is usually required to determine the root cause of the problem, which can range from $80 to $150. It’s best to get a quote from a reputable mechanic before authorizing any repairs. Consider replacing all the sensors at once to avoid future issues and potential labor costs.
Will aftermarket wheels and tires affect the TPMS on my 2013 Toyota Corolla?
Yes, aftermarket wheels and tires can affect the TPMS if the correct TPMS sensors aren’t used or properly installed. If you switch to wheels that are not compatible with the original TPMS sensors, or if the sensors are not properly transferred to the new wheels, the TPMS light will likely illuminate or blink. It’s crucial to ensure the new wheels are compatible and that qualified technicians install the sensors.
Furthermore, some aftermarket tires may require different tire pressures than the original tires. The TPMS system may need to be reprogrammed to accommodate these pressure differences. If the system isn’t properly configured after installing aftermarket wheels and tires, you may receive inaccurate low-pressure warnings or a persistent TPMS light, even when the tires are correctly inflated for the new setup.