OBD-II code · Body

B0811 Right Headlamp Low Beam Circuit

The body control module has detected a fault in the right low beam headlamp circuit.

Is it safe to drive with B0811?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyBurnt out bulb

Symptoms

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

Repair at a glance

Difficulty
Easy
DIY friendly
Often, with basic tools
Typical labour
0.2–1.5 h
Emissions test
Usually unaffected
Parts involved
Right Low Beam Lamp, Body Control Module

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.