Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 201 (Lighting System) >> Diagnostic Information and Procedures >> DTC B258A >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, command the Headlamp Low Beam ON and OFF with a scan tool. The low beam headlamps should turn ON and OFF when changing between the commanded states.

scientia non olet · About Mike's Workshop Manuals