Folsom Auto Repair

Audi and Volkswagen models are packed with electronics, which is a big reason they drive and feel the way they do. The downside is that when voltage or wiring is not quite right, you can get some strange behavior long before anything actually “dies.” Here are seven electrical issues we see all the time and what they usually look like from the driver’s seat. 1. Weak or Tired Batteries and Main Ground Connections These cars are very sensitive to voltage. A battery that still cranks the engine can be weak enough to confuse control modules, especially on cold mornings. You might see random warning lights on startup, odd messages that disappear, or intermittent no-start conditions. Corroded battery terminals and ground points cause similar trouble. A poor ground can make one system act up while others seem fine. From our side, load-testing the battery and checking the main grounds is usually the first step with any strange electrical complaint on an Aud ... read more