This scenario immediately suggests the problem is isolated to the low-beam circuit on one side of the vehicle, which helps narrow down the diagnosis considerably. Instead of a system-wide electrical failure, the cause is usually a localized component issue, most often related to. How to Reset the Adaptive Lighting Module After Headlight Replacement Resetting the adaptive lighting module after a headlight replacement is crucial for ensuring. more Audio tracks for some languages were automatically generated. Learn more Secrets of your Auto High Beams - High Beam Assist. Error messages are Right low beam, Right signal Adaptive headlight malfunction see owners manual ( Paraphrasing ) The right low beam stays on during daylight where as the left side headlight has LED bar illuminated. Understanding the possible causes behind this issue is crucial for resolving it promptly. One of the most common reasons why high beam headlights stop working is due to issues with the. If your high beams are not working, the most likely cause is a blown fuse or a burned-out bulb — both of which you can check yourself in under 15 minutes. That said, there are seven possible culprits, ranging from simple fixes you can handle at home to electrical faults that need a mechanic's. Usually, when your headlight beams stop working, it's because of an electrical failure or a physical defect. Fuses are very inexpensive and easy to replace.