Toyota check engine light and check awd system fix - don’t pay the dealership!

I show how to fix the check engine light that is accompanied by either a “check awd system” message or traction control light on most newer Toyota vehicles, FOR LESS THAN $20! edit This did not fix the issues on the 2017 Highlander. It did on my 2006 Avalon. Watch my follow up video here:    • Toyota/Lexus Check Engine & AWD Lights WIT...