Why is the tyre pressure light in my 2014 Foton Tunland flashing when the tyre pressure is fine??
Asked by Johnny
Why is the tyre pressure light in my 2014 Foton Tunland flashing when the tyre pressure is all good?
Answered by CarsGuide
2 Oct 2021These systems often use wireless technology to send the low-pressure warning signal from the sensor inside the tyre to the car’s computer. Which is fine, but think about how many times your wireless internet signal fails or drops out. That could simply be what’s happening here; the computer is getting no signal, so it presumes there’s a problem.
In many cases, the problem can also be a flat battery in one of the tyre sensors. These usually last between five and 10 years, so on that basis, your car is a candidate for flat sensor batteries. Often, the batteries are not replaceable and you’ll have to replace the whole sensor. If that’s the case, replacing all four would make sense.
You might also find there’s a procedure for resetting the sensors so that they talk to the computer in a meaningful way. Your owner’s manual should detail this process, but it’s often a pretty convoluted one with a distinct time limit before the computer times out.
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