Tyre Pressure warnings....danger of crying wolf too often

[Jocko]

I think that it is only a TPMs system failure that would fail an MOT. Don't think it would fail for a light that resets on calibration. I think calibration would have to fail too.

[ColinB]

I think that it is only a TPMs system failure that would fail an MOT. Don't think it would fail for a light that resets on calibration. I think calibration would have to fail too.

I suspect that is a grey area. The MOT tester’s responsibility is:
“Vehicles first used on or after 1 January 2012 will be checked to make sure the tyre pressure monitoring system (TPMS) MIL is working.”
(Source: https://www.gov.uk/government/publications/car-parts-checked-at-an-mot/car-parts-checked-at-an-mot)

So if he’s presented with a vehicle where the TPMS Malfunction Indicator Light (MIL) is sounding an alarm, does he conclude the system is working because it’s detected something, or does he conclude it’s not working because it’s clearly a false alarm ? I believe Peteo48’s view is that the system must have a fault which would logically be a fail at MOT. Because it’s unclear, hence my suggestion to ask the dealer for clarification about whether they would fail it. Of course you could just remember to reset immediately before the MOT and hope it doesn’t happen during the test ...

[Jocko]

“Vehicles first used on or after 1 January 2012 will be checked to make sure the tyre pressure monitoring system (TPMS) MIL is working.”

All that means is that when the ignition is first turned on, the TPMS light must light. As must the ABS, electronic power steering  and airbag warning lights. No pulling bulbs (where that is possible) to disguise a fault.

[andruec]

“Vehicles first used on or after 1 January 2012 will be checked to make sure the tyre pressure monitoring system (TPMS) MIL is working.”

All that means is that when the ignition is first turned on, the TPMS light must light. As must the ABS, electronic power steering  and airbag warning lights. No pulling bulbs (where that is possible) to disguise a fault.

Ah, pulling. A great idea at a nightclub but rarely a good idea with bulbs, fuses or on a golf course

[peteo48]

Just thinking out loud and bearing in mind Colin's suggestion about asking the garage if it is an MOT fail, I suppose it is possible that the car could give out genuine AND false alarms. One way to test would be to deflate one of the tyres by, say, 7 psi (around 20%) and see if it activates.

But then I look in the manual to read that the system doesn't operate at low speed. Don't fancy testing this theory out on the motorway!

[peteo48]

Spoke to service department today. Agreed I will book it in when the symbol next appears. The guy said it is a common problem!

[Skyrider]

A couple of days ago I adjusted my tyre pressures, they were over inflated a bit from new. I initiated a calibration and have not had any alarms. I suspect my self inflicted alarms on my previous Jazz were a good learning experience.

[jazzygirl]

So my tyre pressure warning lights came on and on checking one tyre in need of air.  All now pumped up to recommended pressure.  But how to get the warniing lights to go away?   

Garage  on phone, tells me setting in is in the deep reaches of touchscreen ( where you have to go to reset for summer time)  but I cant find an appropriate spot.  And garage tells me it needs to be done twice!!  Yes need to get garage to do it but I am not convenient to one at the moment.

Advice anyone?  Mark 3 Jazz here 2015

[ColinS]

Make sure you have the handbrake on or you won't see it.

[Skyrider]

So my tyre pressure warning lights came on and on checking one tyre in need of air.  All now pumped up to recommended pressure.  But how to get the warniing lights to go away?   

Garage  on phone, tells me setting in is in the deep reaches of touchscreen ( where you have to go to reset for summer time)  but I cant find an appropriate spot.  And garage tells me it needs to be done twice!!  Yes need to get garage to do it but I am not convenient to one at the moment.

Advice anyone?  Mark 3 Jazz here 2015

The tyre warning has to be recalibrated, this is done by scrolling through the pages of the right hand display with the buttons on the lower right of the steering wheel. When you get to the page showing a square with an arrow press select ( the center button ) then scroll to the deflation warning screen. Press select. Scroll to initialise. Press select. Then scroll to the square and arrow and select to get back to the normal display

Edit

As ColinS said Handbrake must be on.

[peteo48]

So my tyre pressure warning lights came on and on checking one tyre in need of air.  All now pumped up to recommended pressure.  But how to get the warniing lights to go away?   

Garage  on phone, tells me setting in is in the deep reaches of touchscreen ( where you have to go to reset for summer time)  but I cant find an appropriate spot.  And garage tells me it needs to be done twice!!  Yes need to get garage to do it but I am not convenient to one at the moment.

Advice anyone?  Mark 3 Jazz here 2015

Visual aid here:

[guest4871]

Excellent demo. Bit of a palaver though.

The problem with computers is that you need a brain to operate them.

[Skyrider]

Excellent demo. Bit of a palaver though.

The problem with computers is that you need a brain to operate them.

All you need is a grandchild! :-)

[ColinS]

Yeah, I think peteo48 can do it blindfolded with a diving belt over his arm by now .

[VicW]

Do all cars fitted with the TPMS have false reading problems or only Honda ? It looks like it could become one of those systems where everyone,including dealers, will say "Oh they all do that."
Is it another dismal failing in Honda's 'infotainment' System?

Vic.