Spyder959 2020 4runner, aftermarket amp. I'm getting the same popping sound sound when turning on and off the car. I've looked through this thread and tried everything except updating MCU. Can you send me the file to update the MCU?
dudu-lai Spyder959 https://drive.google.com/file/d/1S9OWl8tIw6fElllTs_M8ott7ZmMSA6AR/view?usp=sharing
