All codes/B0820

B0820

Left Headlamp High Beam Circuit

Moderate severity

A fault has been detected in the left high beam headlamp circuit.

A fault has been detected in the left high beam headlamp circuit.

Common causes

  • Burnt out bulb

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $20-220

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does B0820 mean?

B0820 means "Left Headlamp High Beam Circuit". It is a generic OBD-II code that points to a fault in the body.

What are the most common causes of B0820?

burnt out bulb — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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