BMW adaptive head light / headlight beam height control fault codes
The 17 fault codes the adaptive head light / headlight beam height control 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: 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), 7 Series (E65), 7 Series (E66), 7 Series (E67)
- 9336 AHL: ALC signals fault to light module
- A588 AHL: Internal fault AHL
- A589 AHL: Communication with stepper motor box 1 impaired
- A58A AHL: Communication with stepper motor box 2 impaired
- A58B AHL: Sensor, ride level, front, faulty
- A58C AHL: Ride-level sensor, rear, faulty
- A58D Brake light switch defective
- A58E AHL: Energy Saving mode on
- A58F WAKE line error
- A590 AHL: SMC left faulty
- A591 AHL: SMC right faulty
- A592 AHL: Comparison, vehicle identification number ALC with SMC, left, different
- A593 AHL: Comparison, vehicle identification number ALC with SMC, right, different
- A594 New error 1
- A595 New error 2
- A596 New error 3
- D187 AHL: PT-CAN communication fault
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