Common Causes of a Tire Pressure Sensor Fault in Nissan Qashqai
If your Nissan Qashqai is showing a tire pressure warning, here are the typical reasons:
1. Low Tire Pressure
The most common cause is low tire pressure in one or more tires. Small changes in air pressure, especially during temperature changes, can trigger the TPMS warning light.
2. Faulty or Aging TPMS Sensors
TPMS sensors usually last 5-7 years. As they age, the sensor batteries may die, or the sensors themselves could fail, resulting in a false warning.
3. Tire Rotation or Replacement
If you’ve recently rotated or replaced your tires, the TPMS system might need to be recalibrated to adjust to the new tire positions.
4. Temperature Fluctuations
Cold weather can cause the air inside tires to contract, reducing pressure and triggering the TPMS light, which is a common issue in colder climates.
5. Sensor Communication Issues
Sometimes, there may be a problem with the car’s onboard system not properly receiving the sensor signals. This might require a system reset or diagnostic check.
How to Fix the Tire Pressure Sensor Warning on a Nissan Qashqai
1. Check Tire Pressure Manually
Use a tire pressure gauge to check each tire, ensuring they’re inflated to the recommended level (around 33-36 PSI for the Qashqai). Once corrected, the TPMS warning light should turn off after driving for a few minutes.
2. Reset the TPMS System
To reset the TPMS in your Nissan Qashqai:
- Turn the ignition to “ON” without starting the engine.
- Press and hold the TPMS reset button (often located under the dashboard) until the warning light blinks three times.
- Drive the car for 10-20 minutes at 25-30 mph to recalibrate the sensors.
3. Replace Faulty Sensors
If the reset doesn’t work, you may have a faulty sensor. A mechanic can use a diagnostic tool to find the faulty sensor and replace it.
4. Visit a Mechanic
If the warning persists after checking the tire pressure and resetting the system, it’s time to take your Qashqai to a Nissan dealership or mechanic for a full diagnostic scan.
Preventing Future TPMS Issues
- Regularly check your tire pressure, especially in changing weather or before long trips.
- During routine maintenance, have the TPMS sensors checked for any signs of wear or issues.
- Replace the sensors every 5-7 years to prevent sudden failures.