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Doubt about PID data

Posted: Fri Nov 30, 2018 1:55 am
by topema
Hello everyone. I was developing an app using react native an freematics one + and I would like to know if there is away to calculate the oil level and the tires pressure using the available PID's, I have read all the table and I didn't find a way to do ir, does someone know if it is possible?

PID's list

Re: Doubt about PID data

Posted: Sun May 12, 2019 8:22 pm
by aboaboit
I don't think you can monitor either of those values: when it comes to oil, you can only monitor the temperature but not the pressure or the level. There probably isn't even a sensor to monitor them, to begin with.
Tyres are a different issue: there is a sensor and the car knows about it for sure. Point is, does it have a corresponding (and possibly non-standard) OBD PID? First try to find out if your car has a PID for that, then you probably need to code your own routine for reading and processing it.