Cause  | Action  | 
|---|---|
The turn signal switch is broken.  | Replace the turn signal switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .  | 
The turn signal switch is mounted loosely.  | Reinstall the turn signal switch. Refer to Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle .  | 
Foreign material is present.  | Remove the foreign material.  |