The contact owns a 2006 GMC Envoy. The contact stated while driving at various speeds, the headlights would fail not allowing them to see anything while driving. The contact stated that the headlights would only engage using the high beams. The contact stated no warning light was illuminated. The vehicle was taken to a local dealer where it was diagnosed with the headlight driver module needing to be replaced. The contact replaced the headlights but the failure still occurred. The contact was relating the failure to the NHTSA campaign number: 15V519000 (Exterior lighting). The manufacturer had not been informed of the failure. The failure mileage was approximately 90,000.

- Welsh, LA, USA