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Strange TPMS ID and no tire warning yet #5218143 09/20/19 05:18 PM
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Patrick0525 Offline OP
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09 Lexus ES350
Last Friday, the independent garage read from the OBD port the four new Denso TPMS ids previously transferred into the ECU. I confirmed they matched ids of the sensors that I supplied for installation. There were no DTC errors to report. A week later, I bought an Autel TS508 TPMS diagnostic tool with OBD and triggered each sensor for their ids. Only one id did not match (front driver). See pic

How does one explain no tire warning light? We must have driven at least 2 1/2 hours so far.

To the best of my knowledge, a non-communicating sensor ie (non-registered) should have caused an error event and then triggered a flashing yellow tire warning.

Confused by 17249A4 sensor read by the TS508. None of the Densos had that id.



[Linked Image]



Last edited by Patrick0525; 09/20/19 05:27 PM.

2014 Toyota Venza 2GR-FE 93K mi
2009 Lexus ES350 2GR-FE 49K mi
Fram Ultra filter XG9972
TGMO or Idemitsu Zepro 0w20 (winter)
PP 0w20 (spring/summer/fall)


Re: Strange TPMS ID and no tire warning yet [Re: Patrick0525] #5218163 09/20/19 05:44 PM
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FordBroncoVWJeta Online Content
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You can give the sensors random IDs and pair them to the car. I almost never reassign the numbers to new sensors, there is no reason and it takes longer. They must have everything done correctly or the TPMS light would flash almost instantly.

They did the job correctly, move on.


2017 Volkswagen Jetta 1.4T - 2015 Honda CRV 2.4 - 2012 Volkswagen Jetta 2.0 - 2007 Chevy Trailblazer 4.2 - 2003 Ford Taurus 3.0 Vulcan
Re: Strange TPMS ID and no tire warning yet [Re: Patrick0525] #5218202 09/20/19 06:38 PM
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Patrick0525 Offline OP
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Those numbers from #1-#5 is what the garage’s Snap-On TPMS tablet reported last Friday from the OCD. They had to break the bead and install new grommets to address a valve steam leakage across all 4 tires.

My wife vehemently forbids me to do an ECU read with the TS508 since she feels I am unqualified and will do more harm than good. What I could do is drop the front left to 20 psi, drive around the hood wait for the yellow to appear, then inflate back to 38psi and hopefully watch the yellow disappear.

:-)






Last edited by Patrick0525; 09/20/19 06:49 PM.

2014 Toyota Venza 2GR-FE 93K mi
2009 Lexus ES350 2GR-FE 49K mi
Fram Ultra filter XG9972
TGMO or Idemitsu Zepro 0w20 (winter)
PP 0w20 (spring/summer/fall)


Re: Strange TPMS ID and no tire warning yet [Re: FordBroncoVWJeta] #5218218 09/20/19 06:56 PM
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Patrick0525 Offline OP
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Originally Posted by FordBroncoVWJeta
You can give the sensors random IDs and pair them to the car. I almost never reassign the numbers to new sensors, there is no reason and it takes longer. They must have everything done correctly or the TPMS light would flash almost instantly.

They did the job correctly, move on.


OE Denso TPMS hex code ids are labeled on the sensors and are non-programmable.


2014 Toyota Venza 2GR-FE 93K mi
2009 Lexus ES350 2GR-FE 49K mi
Fram Ultra filter XG9972
TGMO or Idemitsu Zepro 0w20 (winter)
PP 0w20 (spring/summer/fall)


Re: Strange TPMS ID and no tire warning yet [Re: Patrick0525] #5218246 09/20/19 07:24 PM
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FordBroncoVWJeta Online Content
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Originally Posted by Patrick0525
Originally Posted by FordBroncoVWJeta
You can give the sensors random IDs and pair them to the car. I almost never reassign the numbers to new sensors, there is no reason and it takes longer. They must have everything done correctly or the TPMS light would flash almost instantly.

They did the job correctly, move on.


OE Denso TPMS hex code ids are labeled on the sensors and are non-programmable.

Weird... Test it out and see if it works. Take it down to 20 psi and see what it does.
IF i call correctly schrader sensors list the ids on the sensors but are programmable.


2017 Volkswagen Jetta 1.4T - 2015 Honda CRV 2.4 - 2012 Volkswagen Jetta 2.0 - 2007 Chevy Trailblazer 4.2 - 2003 Ford Taurus 3.0 Vulcan
Re: Strange TPMS ID and no tire warning yet [Re: FordBroncoVWJeta] #5218272 09/20/19 08:08 PM
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Patrick0525 Offline OP
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Originally Posted by FordBroncoVWJeta
Originally Posted by Patrick0525
Originally Posted by FordBroncoVWJeta
You can give the sensors random IDs and pair them to the car. I almost never reassign the numbers to new sensors, there is no reason and it takes longer. They must have everything done correctly or the TPMS light would flash almost instantly.

They did the job correctly, move on.


OE Denso TPMS hex code ids are labeled on the sensors and are non-programmable.

Weird... Test it out and see if it works. Take it down to 20 psi and see what it does.
IF i call correctly schrader sensors list the ids on the sensors but are programmable.



I looked at Denso TPMS installation instructions and it did not address programmability.


2014 Toyota Venza 2GR-FE 93K mi
2009 Lexus ES350 2GR-FE 49K mi
Fram Ultra filter XG9972
TGMO or Idemitsu Zepro 0w20 (winter)
PP 0w20 (spring/summer/fall)


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