tyre system fault after new wheels

[scotpak]

Hi guys

As u may know I have just added after mkt alloys and new tyres to my v8 vantage (oct 2006). When fitting the rims and tyres, young guy at tyre place said new tyres didnt have the right valves so I might get a fault light. I told him its no big deal as I didnt even know my car had tyre sensors thus no need to worry about them.

Now this light has come up how do I get rid of it. The tyre place still has my old rims and tyres. Is there a way to transfer the valve sensors to solve the issue. Excuse my naivety. Dont really have a clue about this.

I have found old threads on the topic but they have confused me.

Thanks

[snuffy]

Your tyre guy needed to fit the valves and sensors from your original wheels/tyres to your new ones.

These valves/sensors transmit under pressure signals to the pressure control box thing which will then bring up a warning on the dash. So if you just have normal valves fitted now then it will be fault-tastic !

[Neil1300R]

Remove the TPMS unit, located under the / behind the glovebox

[Lunablack]

Neil1300R said:

Remove the TPMS unit, located under the / behind the glovebox

And how exactly does that make the light on the dash go out....

[mikey k]

BTW I think it is now an MOT failure if you have a TPMS light up at test

[snuffy]

Neil1300R said:

Remove the TPMS unit, located under the / behind the glovebox

Surely that will still give a fault on the dash ?

[snuffy]

mikey k said:

BTW I think it is now an MOT failure if you have a TPMS light up at test

Only if it indicates a system malfunction ( as opposed to a tyre pressure fault ) and then only to cars first used after 1st Jan 2012. (How did we manage before the Internet !?).

[scotpak]

snuffy said:

Your tyre guy needed to fit the valves and sensors from your original wheels/tyres to your new ones.

These valves/sensors transmit under pressure signals to the pressure control box thing which will then bring up a warning on the dash. So if you just have normal valves fitted now then it will be fault-tastic !

will this be a simple job for the tyre guys or will i need to take it to a specialist?

[corradokid]

It would have been easier to do when you had the wheels fitted. You need to get the tyres and valves swapped onto your new wheels. They need to be fitted to the same corner of the car that they came from originally too.

[snuffy]

scotpak said:

snuffy said:

Your tyre guy needed to fit the valves and sensors from your original wheels/tyres to your new ones.

These valves/sensors transmit under pressure signals to the pressure control box thing which will then bring up a warning on the dash. So if you just have normal valves fitted now then it will be fault-tastic !

will this be a simple job for the tyre guys or will i need to take it to a specialist?

I don't think it's anything special, tyre guy just fits the original valves the same way as he'd fit normal valves.

One thing to remember is to fit the correct valve to the correct tyre (they are colour coded). It's detailed in your owner's manual as to which colour goes with which tyre.

[scotpak]

snuffy said:

I don't think it's anything special, tyre guy just fits the original valves the same way as he'd fit normal valves.

One thing to remember is to fit the correct valve to the correct tyre (they are colour coded). It's detailed in your owner's manual as to which colour goes with which tyre.

much appreciated Snuffy. will give the tyre guys a buzz tomorrow.

[burntout]

pictures of your chosen rims?????

[yeti]

burntout said:

pictures of your chosen rims?????

I know you'll like them

Scotpak, tell the tyre guys to be very careful; the sensors are fragile and break easily!

They're about £120 each to replace as well...

[scotpak]

here is the tread with the pics of the new rims!!:

http://www.pistonheads.com/gassing/topic.asp?h=0&a...

[Lunablack]

scotpak said:

here is the tread with the pics

http://www.pistonheads.com/gassing/topic.asp?h=0&a...

I see what you did there

[DAMIT]

If you wanted to disconnect the TMS and warning light.

This is how

DB9VolanteDriver said:

So here's the deal to extinguish the dash messages:

1) Disconnect the TPMS at the connector block under the dash (white connector).

2) Identify the 4 wires on the car-side of the harness: these should be red, white, black and blue/red.
Blue/red is 12V switched power
Black is ground
Red is the TPMS system fault line
White is the tyre low pressure fault line

3) At the car-side connector half, short the black, red and white pins together, using whatever technique you are comfortable with. This will tell the dash warning system that everything is OK with the TPMS and that none of the tyres are underpressure.

Myself, I just cut the mating connector pigtail off the back of the TPMS module (in the middle of its length), cut the sheath back, and then twisted together the Orange, Brown and Black wires, leaving the Red power wire untouched. Since I don't particularly like soldering because of the chance of getting a cold solder joint, I just used a small wire nut to twist the 3 wires together. If I ever want to use the TPMS system again, I can undo the nut and splice the connector back on to the TPMS pigtail. Then I just plugged the connector back into the one on the car, and voila, no more dash warnings.

Just for clarity, the Orange wire on the TPMS side corresponds to the Red wire on the car-side of the connector. Brown corresponds to White, Black to Black, and Red to the Blue/Red, respectively.

If this isn't clear, let me know.

[bomberh]

yeti said:

burntout said:

pictures of your chosen rims?????

I know you'll like them

Scotpak, tell the tyre guys to be very careful; the sensors are fragile and break easily!

They're about £120 each to replace as well...

The above is very important. If the tyre guys are not sure what they are doing with the sensors then they are going to break. Some tyre companies do not have AM sensors in stock and have to go to the nearest dealer to get them.

It isn't just independent tyre guys that break sensors, AM technicians break them too, and they are supposed to know what they are doing. So that shows you how easily they can break.

[krisdelta]

snuffy said:

Neil1300R said:

Remove the TPMS unit, located under the / behind the glovebox

Surely that will still give a fault on the dash ?

I don't think it will. The fault is picked up each time you start the car or as the system detects it, the box is like a wee router and you can just unplug the power. I think that will do it.

[peterr96]

One point worth mentioning.
The tyre pressure sensors apparently have an expected life of about 6 years after which the batteries can fail. If yours are that old, it may be worth investing in new sensors to fit rather than throw money at refitting tyres only for them to fail shortly after.

I know some people view the TPMS as a bit of a nuisance, but it has prevented me driving on a virtually flat tyre on one occasion. That said the tyre was not worth repairing so it didn't really save me anything other than getting further from home before I discovered it

[DAMIT]

krisdelta said:

I don't think it will. The fault is picked up each time you start the car or as the system detects it, the box is like a wee router and you can just unplug the power. I think that will do it.

Yes it will. The warnings will be constant if you just unplug it. It's wired into the car systems. I know because I have done it! Had to rewire the connection as in my previouse post above to get rid of the warnings.

Edited by DAMIT on Tuesday 6th August 10:19