Defective ignition tumbler

A defective ignition tumbler can cause issues with the key. The tumbler may not recognize the when the key is inserted, or may allow any key to turn the ignition switch.

Table of Contents

• 1. Symptoms
  • 1.1 Key Cannot be Turned

Symptoms

Key Cannot be Turned

y-The tumbler may malfunction and be unable to recognize the key when inserted. Like a door lock, the ignition tumbler recognized the grooves in the key, and permits the ignition switch to start. If it is broken, it will be as if the wrong key is inserted. This usually only occurs in vehicles with a security device or chip in the key.