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B0850 Body

Left Brake Lamp Circuit

A fault has been detected in the left brake lamp circuit.

Affected components

  • Left brake lamp
  • Body control module

Common causes

  • High likelihood: Burnt out brake lamp bulb
  • Medium likelihood: Brake light switch fault

Possible symptoms

  • Warning light or symbol related to the affected system
  • Comfort or safety function impaired

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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