The Dealership Charges $180/hr for This, I Do It With an ESP32
Your car is not magic. It is just a noisy network with cupholders. Let me tell you how a service advisor tried to charge me $180 for a diagnostic that took my $18 microcontroller eleven seconds to do. I had a weird issue. Intermittent warning light. You know the one. The little orange gremlin that shows up on Tuesday, disappears on Wednesday, then comes back when you are already late for something important. I called the dealership. The guy on the phone sounded like he was reading from a scri...

