Lexus Owners Club (USA & Canada) > New Wheels/tires And Tpms

paradigm

Mar 2 2009, 10:11 PM

so i just got my new wheels and tires installed over the weekend...this included a new set of TPMS sensors. the car has not alarmed about tire pressure, even though these sensors haven't been paired with the ECU yet. i expected the car to alarm at start up, etc due to the new sensors...i even checked to make sure the option was set to the 2nd set and reinitialized it.

do they not even alarm until the ECU recognizes the new sensors?

thanks-

mr_raider

Mar 3 2009, 11:18 AM

QUOTE (paradigm @ Mar 2 2009, 11:11 PM)

so i just got my new wheels and tires installed over the weekend...this included a new set of TPMS sensors. the car has not alarmed about tire pressure, even though these sensors haven't been paired with the ECU yet. i expected the car to alarm at start up, etc due to the new sensors...i even checked to make sure the option was set to the 2nd set and reinitialized it.

do they not even alarm until the ECU recognizes the new sensors?

thanks-

It takes about 20 minutes of driving for the alarm to go off. If your old set is near the car when you start it, they will be recognized.

paradigm

Mar 3 2009, 04:29 PM

the old set is not near (not even at my house) the vehicle....if it is 20 min of consecutive driving, then that might be it. it's been days, so that must be it. i'll just drive around a bit longer tonight to check.

thanks-

alex11

Apr 5 2009, 07:00 PM

QUOTE (paradigm @ Mar 3 2009, 12:11 AM)

so i just got my new wheels and tires installed over the weekend...this included a new set of TPMS sensors. the car has not alarmed about tire pressure, even though these sensors haven't been paired with the ECU yet. i expected the car to alarm at start up, etc due to the new sensors...i even checked to make sure the option was set to the 2nd set and reinitialized it.

do they not even alarm until the ECU recognizes the new sensors?

thanks-

Did you buy Lexus TPMS or you got the aftermarket TPMS (Tire Rack offers some)?

paradigm

Apr 8 2009, 08:14 PM

reporting back in...

eventually the system figured it out and now alarms constantly. lol

due to the weather and my short commute to work, it took a while before i drove the car long enough to get the system to report the sensor mismatch.

i purchased toyota/lexus TPMS...still haven't had them programmed. i will ask them to do it when i take the car in for the fuel line recall.

abz-pete

Oct 28 2009, 07:23 PM

I've just had my snow tires put on at my local garage and the alarm went off after 25 minutes of driving - does this mean that a change of tires HAS to be done at a dealership?

Thanks.

QUOTE (paradigm @ Apr 8 2009, 10:14 PM)

reporting back in...

eventually the system figured it out and now alarms constantly. lol

due to the weather and my short commute to work, it took a while before i drove the car long enough to get the system to report the sensor mismatch.

i purchased toyota/lexus TPMS...still haven't had them programmed. i will ask them to do it when i take the car in for the fuel line recall.

bartkat

Oct 28 2009, 10:12 PM

QUOTE (abz-pete @ Oct 28 2009, 08:23 PM)

I've just had my snow tires put on at my local garage and the alarm went off after 25 minutes of driving - does this mean that a change of tires HAS to be done at a dealership?

Thanks.

QUOTE (paradigm @ Apr 8 2009, 10:14 PM)

reporting back in...

eventually the system figured it out and now alarms constantly. lol

due to the weather and my short commute to work, it took a while before i drove the car long enough to get the system to report the sensor mismatch.

i purchased toyota/lexus TPMS...still haven't had them programmed. i will ask them to do it when i take the car in for the fuel line recall.

If the tires were put on the original rims with the original sensors then you should be ok. You might want to check and see if the tire PSI is within normal range. Also initialize the setting on your dash per the owners manual to make sure.

reyoasian

Nov 15 2009, 10:11 PM

QUOTE (abz-pete @ Oct 28 2009, 08:23 PM)

I've just had my snow tires put on at my local garage and the alarm went off after 25 minutes of driving - does this mean that a change of tires HAS to be done at a dealership?

Thanks.

QUOTE (paradigm @ Apr 8 2009, 10:14 PM)

reporting back in...

eventually the system figured it out and now alarms constantly. lol

due to the weather and my short commute to work, it took a while before i drove the car long enough to get the system to report the sensor mismatch.

i purchased toyota/lexus TPMS...still haven't had them programmed. i will ask them to do it when i take the car in for the fuel line recall.

I'm gettin snowtires too. I talked to Lexus service/parts they said if I only change the tire and keep the rims/tpm the same then all I have to do is take it to Lexus and they will reprogram the TPM to match snowtire PSI for free.

If you change both tires and rims (without TPM) then you're going to get the "tire pressure" alert, where you have to take it in to Lexus for them to reprogram it still.