How to Reset Scion XB Tire Pressure Light (2007-2015)
Set and adjust the tire pressures in your Scion XB to the exact air pressure on the driver side door panel.
Turn the engine on or put the ignition into the On position.
Open the glove box.
Press and hold down the TPMS reset button.
Keep Holding the TPMS button while watching the low tire pressure light blink 3 times on the dashboard display.
After the low tire pressure light stops blinking, release the TPMS reset button.
Drive the Scion XB.
What Sets Off the Scion XB Low Tire Pressure Light?
Underinflation: When tire pressure falls below the Scion manufacturer recommended level, typically by 25% or more.
Overinflation: Exceeding the recommended tire pressure can also trigger the warning, although less common.
Temperature Fluctuations: Significant changes in temperature can cause tire pressure to drop or increase, activating the TPMS light.
Sensor Battery Failure: The battery powering each tire’s pressure sensor can die, leading to false warnings or no warning at all. This will also cause a blinking tire pressure light.
Sensor Damage or Malfunction: Physical damage or internal faults in the TPMS sensor can cause incorrect tire pressure readings.
Tire Replacement or Service Without Reset: After Scion XB tire servicing, rotation, or replacement, failing to reset the TPMS can result in the low tire light staying on.
System Malfunction: Rarely, the TPMS itself may have a malfunction, requiring diagnostic and repair. This will cause a blinking TPMS light.
How Does the Scion TPMS Work?
The Scion XB Tire Pressure Monitoring System (TPMS) has tire pressure sensors mounted inside each tire to directly measure the air pressure. These sensors transmit real-time data on tire pressure to the Scion XB’s onboard computer system. Each TPMS sensor is equipped with a battery and can measure the pressure within the tire, often also monitoring the tire temperature, which can affect pressure readings.
The Scion TPMS alerts the driver through a tire warning light on the dashboard if the pressure in one or more tires falls below or exceeds the manufacturer’s recommended reference levels, indicating that the tire needs inflation or deflation.
Common Scion XB TPMS Problems
Sensor Battery Failure: Low or dead tire pressure sensor batteries will cause a low tire light.
Physical Damage to Sensors: Damage from impacts or tire service can cause TPMS malfunction.
Seal Leaks: Worn or damaged seals on valve stems may lead to air leaks and sensor issues.
Installation/Reprogramming Errors: Incorrect setup or programming post-service can affect functionality.
Corrosion: Exposure to corrosive elements can damage sensors (tire sealants).
Communication Issues: Wireless signal interference or system faults can disrupt TPMS sensor data transmission.
Calibration Problems: Improper TPMS calibration can result in inaccurate air pressure readings.
Dashboard Light Faults: Electrical issues may affect the TPMS warning light’s operation.
Software Glitches: Onboard computer software issues can impact data interpretation.
External Interference: Signals from other devices may interfere with TPMS communication.
Why is My Tire Pressure Light on When My Tires are Fine?
When the Scion XB low tire pressure light is on but the tires seem fine, consider these reasons:
Sensor Battery Failure: The sensor battery may have died, leading to inaccurate warnings.
Temperature Changes: Fluctuations in temperature can affect pressure readings, triggering the light.
Sensor Damage/Malfunction: Damage or faults in sensors can cause incorrect pressure alerts.
Calibration Issues: The system may need recalibration after tire services, affecting readings.
Intermittent Signal Loss: Temporary communication issues between sensors and the vehicle’s computer can activate the light.
False Alarms: Rarely, electronic interference or electrical anomalies might trigger a false warning.
What To Do If the Scion Low Tire Pressure Warning Reset Button Does Not Work?
Begin by manually verifying the tire pressures with a tire pressure gauge to make sure they match the recommended values for the Scion XB. Should the low tire warning light persist, we recommend using a TPMS diagnostic tool to assess the condition of the TPMS sensors and the system’s overall operation.
There’s a technique for reactivating a dormant yet operational tire pressure sensor: deflate each tire by approximately 10 psi, re-inflate to the appropriate pressure, and then take the vehicle for a drive. Afterwards, follow the Scion TPMS reset process once more. Repeat if necessary.
FAQ
Where is the Scion XB TPMS reset button?
The Scion XB tire pressure reset button is inside the glove box.
Can You Disable the Scion XB TPMS?
No you cannot disable the Scion XB tire pressure monitoring system or tire pressure light.
Why is the Tire Light Blinking?
If your Scion XB low tire pressure light is blinking, a malfunction in the tire pressure monitoring system has occurred. This is likely due to a faulty tire pressure sensor. Use a TPMS diagnostic tool to troubleshoot. Faulty tire sensors will need to be replaced with new sensors.
Is it Safe to Drive With the Low Tire Pressure Light On?
Scion XB owners should know that driving your Scion with the low tire pressure light on is unsafe. To assess the safety and how far you can drive, you need to identify the reason behind the illuminated TPMS light.
Will a Change in Weather Trigger the Low Tire Pressure Light?
Yes, weather changes can activate the low tire pressure light. Tire pressure fluctuates by approximately 1 Psi for every 10-degree Fahrenheit shift in temperature. This impact is consistent, regardless of whether the weather change occurs over days, weeks, or months.
