OBD-II code · Body

B0226 Headlamp Auto-Leveling Front Sensor

The body control module reports an implausible signal from the front ride-height sensor used by the automatic headlamp leveling system. Without valid input, the headlamp pitch cannot be corrected for vehicle load.

Is it safe to drive with B0226?

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

Common causes

  • Most likelyFront ride height sensor failed
  • PossibleSensor linkage broken or detached

Symptoms

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

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.5–2 h
Emissions test
Usually unaffected
Parts involved
Front Ride Height Sensor, Headlamp Leveling Module, Body Control Module

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