Freematics Forum

I have a 2012 audi a6 and I am using the obd2 uart v1 adapter, esp32, tft ili9341. I first ran my program with random numbers generated and its refresh rate was many times a second. Now that I have added the pids: rpm, map, and intake map in place of the random numbers my refresh rate is one loop every 11 seconds. I read online that people using the sparkfun adapter sent an AT0 or AT ST 01 command which changes the adaptive timing. What code do I need to add to tell my car to send pids faster?

Some ECUs responds faster to PID queries while some reponds more slowly. Have you tried the simple OBD reading sketch?

Sorry figured out my issue was that some of the data was encrypted due to my cars tune. After I selected only PIDS that returned values on my car it was working great.