DTC B1D64-87: Left Headlamp Swivelling Motor - Missing message: Action

Check the headlamp connections. Refer to the appropriate electrical circuit wiring diagrams and check power and ground supplies to headlamp adaptive front lighting system modules. Clear diagnostic trouble code and re-test. If diagnostic trouble code remains, install a new headlamp. Refer to the warranty policy and procedures manual, or determine if any prior approval program is in operation, prior to the installation of a new component