permanently removing tyre pressure light. - MINI Cooper Forum

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post #1 of 5 (permalink) Old Mar 14th, 2012, 03:37 PM Thread Starter
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permanently removing tyre pressure light.

Hi all again.

As title suggests, can anyone advise/suggest a way of permanently removing tyre pressure light? Is there a fuse for it?

All 4 tyres have now been replaced from RF's to normal ones. The reset handbrake button just sticks in and I've already tried all the suggestions on how to put it on to no avail.

I intend to be the last owner of the vehicle.

thanks in advance..

J
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post #2 of 5 (permalink) Old Mar 14th, 2012, 06:15 PM
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You changed the wheels as well? If its still functioning properly, I would leave it as is. If you develop a slow leak, it's still better to know about it.

If they're different wheels, you should be able to, in most cases, move the sensors over.

Else, there's no particular fuse that will disable the lamp itself. You might be able to have it changed to disable
it at the dealer or, if coding is possible on these recode it to disable it.
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post #3 of 5 (permalink) Old Mar 15th, 2012, 10:35 AM Thread Starter
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K, thanks RG.

The light is on constantly. It has never once gone out during my time with the car no matter what happens (apart from remove the key..)

Not sure if they're different wheels from originals. Where are these sensors? Can't I just remove them?

As for the decode it via a reader - can I do this?

thanks again.

J
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post #4 of 5 (permalink) Old Mar 15th, 2012, 12:53 PM
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The sensors are essentially attached on the other side of the valve stem, on the inside of the wheel. If they're aftermarket wheels, it's possible that whoever had it before you didn't move them over. If they're missing, needless to say the car will complain as it will forever think there's an issue.

As far as coding, this is a common thing in the BMW world these days. I've not looked into it myself in great depth, but on the assumption that there are certain things that are similar between this and the BMW DME, then you should be simply able to disable it. From everything I've read, you can on the BMW side, but it's a matter of decoding the DME on the Mini for its specific codes.

Else, buy new sensors and install them.
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post #5 of 5 (permalink) Old Mar 15th, 2012, 01:41 PM
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As youíve posted this in the first generation MINI section Iíll assume that you have a first generation (R50/R53) MINI. These MINIs do not use pressure sensors inside the tyres for monitoring the pressure, but use the wheel speed sensors to detect a change in rotational speed of the wheel. If your flat tyre light is on and you have no other fault indications (ABS, ASC or DSC) then itís probably safe to say that the wheel speed sensors are working correctly and the fault is with the tire pressure monitoring system, possibly the reset switch as you say it sticks.
From the ownerís manual, the procedure for resetting the system is:
The system must be reinitialized immediately after changing a tire and wheel, or after correcting the pressure in any tire. This requires a bit of driving.
1. Before a journey, start the engine, but do not start driving
2. Press the button long enough for the indicator lamp in the display elements to light up for a few seconds
3. Drive off.
It takes a few minutes before the Flat Tire Monitor can detect a flat tire and issue an alert.

There is also this note relating to the warning lamp:
Yellow: stop immediately
Flat Tire Monitor
The warning lamp indicates a flat tire or a system malfunction. In the event of a flat tire, an acoustic signal also sounds.
Reduce speed immediately and stop the vehicle.
It is possible that the acoustic signal was not heard. In this case, in order to determine
if there is a flat tire or a system malfunction:
1. Switch off the ignition, ignition key position 0
2. Switch the ignition back on, ignition key position 2, or start the engine.
If an acoustic signal sounds, you have a flat tire. Otherwise, the system has a malfunction or has failed.
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