​Topic: Intermittent starting issue resolved - The Immobilizer Antenna ​I wanted to share a solution to a frustrating intermittent starting problem I’ve been dealing with. Many suggested the usual suspects: a dying battery, a faulty alternator, or various sensor issues. After testing those, the car would still fail to start randomly. ​The root cause turned out to be the immobilizer antenna coil (the transponder pickup coil) located around the ignition lock cylinder. ​The context: Looking back, the issue likely started in winter. I accidentally used my car key to scrape ice out of the door lock… Read complete