Now that 'we' have one of these, I'd be really interested in seeing what actually happens on the CAN bus when it is in use.
Presumably the sequence is you walk around the car getting the id numbers from each sensor, then plug in to the car (DIAG connector?) to program the TPMS? If we could read the current sensor ids (using can) as a backup, then presumably we could re-program them without having to walk the car?
Can you explain how you use the device, or is there a manual in electronic format?
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Car has to be on or in Acc. you start at the LF wheel, then RF, the RR, then LR. it will "ping" every sensor. then when you have all 4 id's you plug in into the OD2 connector and write it to the car.
well I know it possible, let me try some things out, and I will get back to you by Friday.
5 days ago I had my two rear wheels reconditioned--i.e. had the dings from scraping curbs taken out--wheels and tires were removed to do so. The wheels look new! Anyhow, everything was fine and I have driven the car almost every day since. Somehow, today for the first time, I got the error message about the tire pressure. Yet, when I look at the car with the OVMS the tire pressures are still reported! I'm assuming this is just the last pressure from before the problem occurred. I have the original front tires and am on my 3rd set of rear tires in 2.5 years and 16,000 miles and this is the first time this message has come up. Drat!
I bought one of these tools from Tesla shortly after I got my car in 2010 because I replace my wheels every fall and winter (summer to winter wheels) and at the time Chicago was my nearest service center (430 miles away). It only takes a minute or two to program the car and it is very handy when the car occasionally throws that TPMS warning message. I'm in central MO and wouldn't have a problem loaning it out to anyone who wants to come by for a reset. But I don't think there are any Roadsters near me. Does it the same tool also work for the Model S?
Yes please, I would like to disable mine.
- or if possible, change the calibration instead, to allow for higher tire pressures before the system alarms.
I have changed the tires so the programmed pressure alarm levels are wrong for my Roadster's tires.
Love driving both!
2011 RoadsterSport and 2012 Model S85
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