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Why can't the Volkswagen parking brake failure start?

2 Answers

VanLaila

07/23/25 8:25pm

Volkswagen parking brake failure cannot start because the brake light switch has a problem, causing the ECU to not receive the normal start power signal. The following are the solutions to the Volkswagen parking brake failure and the usage of the parking brake: Solutions to Volkswagen parking brake failure: Replacing the brake light switch can solve the problem. This issue usually occurs in automatic transmission models, as the brake light switch also has the function of providing start power signal feedback. The parking brake is commonly called the handbrake, and its function is to provide resistance to the car when parking to prevent the car from rolling. Usage of the parking brake: When performing the parking brake, step down on the brake pedal and pull the parking brake lever all the way up. To release the parking brake, step down on the brake pedal, slightly pull the parking brake lever up, press the button on the handle end with your thumb, and then lower the parking brake lever to its original position. When parking on an inclined surface, if you shift to P position first and then perform the parking brake, the weight of the car will make it difficult for the driver to shift out of P position when preparing to start the car. When preparing to start the car, shift the gear lever out of P position before releasing the parking brake.

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VonAvery

08/10/25 6:24pm

As a seasoned driver, I've encountered the issue of the parking brake malfunction preventing the car from starting in Volkswagen vehicles no less than five times, and each experience has given me insights. The main reason could be that the parking brake isn't fully released. Modern Volkswagen safety systems are quite intelligent; if they sense the brake is stuck, they won't allow the engine to start to prevent accidental rolling, which is a good design in principle but troublesome in reality. Try pressing the brake pedal a few times to release it, or push the car to a flat surface and then operate the button—sometimes insufficient hydraulic pressure can also cause the issue. If that doesn't work, low battery voltage or aging relays can cause a chain reaction, requiring a check to see if any fuses are blown. Once, I had a fault reported due to a sensor malfunction in cold winter temperatures, and simply waiting in a warmer place resolved it. The final advice is not to force it; go to a professional shop early to read the fault codes and get it repaired to avoid dragging out electrical issues that could cost a lot more.

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