• Sections:
• Tyres
• What does TPMS stand for?
• How does TPMS work?
• Replacing or Rotating TPMS Sensors
• The legalities around TPMS
• TPMS batteries
• TPMS light won't switch off
• How accurate are the TPMS sensor?
• Where is the TPMS reset button?
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• What are dust caps?
• How to remove dust caps
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TPMS light won't turn off

A TPMS warning light (usually a sign that your tyres have lost pressure) may not turn off if there is an issue with one or more sensors. An alternative reason may be that the system itself is malfunctioning.

If you are concerned about the functionality of your tyre pressure monitoring system, it is best to take your vehicle to a qualified mechanic who will be able to check the system out, diagnose and hopefully repair any issues.

How can a TPMS sensor become damaged?

A TPMS sensor may become damaged because of various reasons. If you are involved in a collision this can affect the sensor. So can a puncture, or even exposure to harsh weather conditions.

How to find faulty TPMS sensor

To find a faulty TPMS sensor, you can use a TPMS scanner or a diagnostic tool that can read the TPMS codes.

For diagnostic work on your sensors and TPMS, it is advisable to take your vehicle to a qualified mechanic who will be able thoroughly check your system.