TPMS question
 

Re: TPMS question
 

It IS a dumb system, if any sensor indicates pressure too high OR too low, the light comes on. THEN, you must use a pressure gauge to find the one that is in alarm.

Also, when the battery in a sensor finally goes dead, the receiver will eventually realize it is not hearing from that sensor, and light the light. THAT is where is it hard to figure out. The conclusion everyone has come to is simple; If they are original, and one goes, the others are about to - so the thing to do is to replace all of them; you are then good for 5-10 years.

I have not had a car with them in over three years, my SE is a base model, so I don't keep up with this. The definitive answer is provided by Clint in Detroit (Crossfire owner and retired Chyrsler Engineer). He wrote post about this on Facebook. Let me see if I can find it and post it here..

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From CLint's Keyboard:

The big trick is getting a Crossfire to "relearn" new sensor IDs when batteries in the old sensors die. Seems many are lasting 10 years or so, but now that is catching even the newest Crossfire cars. The sensors themselves are not all that special, the same ones were used in Chrysler minivans, in Vipers, and a few other cars. Sensors from Mopar (made by Schrader) will work, direct from Schrader, and I expect many other aftermarket sensors will work - IF you get the car to recognize them.

That is where many tire shops and even Chrysler dealerships will mess up. Most Chrysler cars after Crossfire build time have systems in the car which will automatically recognize that new wheel pressure sensors have been installed, and learn the IDs of the new sensors - just by driving the car for a few minutes (to get the sensors broadcasting their radio signals). Crossfire cars do NOT have the additional antennas, etc. to do this. But lazy or hurried or uniformed techs will assume a Chrysler Crossfire will just learn new sensor IDs without them doing anything but physically installing the sensors in the wheel.

OTHER trick is getting the car into sensor "relearn" mode. This requires the DRB III dealership diagnostic computer tool -- which was obsolete after 2007 for Chrysler dealerships. And to work with Crossfires (or Sprinter vans) needed an additional Multiplexer cable, and Crossfire software card. Which some dealerships never bought, or if bought in 2004, have been lost since. BUT: several indicators say that current Chrysler dealership diagnostic equipment SHOULD have a DRB III Enhanced Emulator function available! So if you can find a Chrysler dealership game to learn something new about their equipment, they CAN do the TPMS sensor relearn on a Crossfire!

EASIER CHEAPER WAY: Find a tire store which can and will CLONE the old working sensor IDs into new sensors. This is by far the fastest easiest, one-stop approach. As long as they can read the old sensor IDs, new sensors can be set to use the same IDs, So no car-side "relearn" necessary!

Re: TPMS question
 

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Agreed. Its another part of our car's "red headed step-child" legacy.

NOw, I live near Dallas, Texas and we have a guy in the group who has a DRB tool/computer. So if I DID need new sensors, I'd have a tire store put them in and then go to his house and let him get the car to "learn" them. But again, the SE does not have such a system.

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One thing, I saved the above text because it "cuts thru the crap". It is THE answer. Its not an answer we like, but it cuts thru the crap and tells us where we stand (and sort of, why.)

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I wouldn't make that blanket statement. Have you seen all of the recommendations to disable the light? The odds are great someone got there before you and clipped the light wire at the connector. I try telling people if they are going to do things like that to let buyers know. They promise to but do they really?

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ANother bookmark added. :)

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About the only thing that does not work on my Cross fire are the 15 year old sensor batteries in my tire sensors. Here is why I will not bother to change them..... First,

must break down all 5 tires that are currently perfectly balanced. Then, must go to Chrysler for servicing because no one else has that darn tool to reprogram them. They want $165 for each tire for installing each sensor plus sensor parts plus rebalancing tires. They want $135 for each sensor part. They will not let me buy my own sensors because they will not install parts not provided by them . They have you on this one because only they have the reprogramming tool! Way over $1000 total. I forget the exact price parts quoted me for the sensors. but do remember it was about triple of what it would cost for the exact same part on ebay. If I let some other service or tire place to install sensors first then take it to Chrysler and for some reason they do not program correctly, I would still be out the money for their programming attempt. Nope.

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Re: TPMS question
 

All four tires.

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It was $135 for each sensor.

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i think i would agree if the indicator light on the dash didn't light up at engine start up. if the wire were clipped i would think the light would be unable to function under any circumstance.

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I have disconnected the TPMS wires at the Home link module on both my cars and the TPMS light still illuminates when the key is in the RUN position on start-up.

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;) The bulb check function is what checks the lamp on startup, it has nothing to do with whether or not the TPMS system works, or not. If the lamp didn't light at startup (lamp check) then it is either a blown bulb, cut wire, or an open in the bulb wiring somewhere in the system ;)

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Re: TPMS question