BMW adaptive headlights/headlight beam throw adjustment fault codes
The 13 fault codes the adaptive headlights/headlight beam throw adjustment can store, and what each one means. Some codes mean different things in different versions of the module; tap a code to see which applies to your car.
On: 3 Series (E46), X5 (E53), X3 (E83)
- 0000 AHL: Internal fault AHL
- 0001 AHL: Communication with stepper motor controller 1 disturbed
- 0002 AHL: Communication with stepper motor controller 2 disturbed
- 0003 AHL: Sensor, ride level, front, faulty
- 0004 AHL: Ride-level sensor, rear, faulty
- 0005 Brake light switch defective
- 0006 AHL: Transport mode active
- 0007 AHL: Fault, line
- 0008 AHL: Stepper motor controller, left, faulty
- 0009 AHL: Stepper motor controller, right, faulty
- 000A AHL: Vehicle identification number AHL with SMC, left, different
- 000B AHL: Vehicle identification number AHL with SMC, right, different
- 003F AHL: signals fault to light switch center
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