Search found 3 matches

by pazu
Sat Jan 09, 2021 9:37 pm
Forum: Freematics Products
Topic: OBD UART Custom PID question
Replies: 2
Views: 4742

Re: OBD UART Custom PID question

So I worked out how to get custom OBD commands working - for anything outside of the standards PIDs in the library, you have to use direct AT Commands. The function I have running well is posted below in the hope it helps someone else. There are a couple of quirks that I think are related to the lib...
by pazu
Fri Jan 08, 2021 9:37 pm
Forum: Freematics Products
Topic: OBD UART Custom PID question
Replies: 2
Views: 4742

Re: OBD UART Custom PID question

got a little bit further in formatting - believe the mode setting should be the following: obd.dataMode = 21; if (obd.readPID(02, value)) { value = value - 50; Not 100% on the equation yet but I'll sort that once I start getting data in. the bit i'm not sure on now is the header - needs to be TCM bu...
by pazu
Fri Jan 08, 2021 7:57 pm
Forum: Freematics Products
Topic: OBD UART Custom PID question
Replies: 2
Views: 4742

OBD UART Custom PID question

Hi all, I've read through a few posts now about custom PIDs but I'm not 100% clear on the procedure. I've got the OBD UART adaptor hooked up and talking to the car fine with standard PIDs. I have a custom PID I need to retrieve (AT Temp), settings out of Torque are: OBD2 mode and PID: 2102 Equation:...