The contact owns a 2007 Chevrolet Trailblazer. The contact stated that while driving at various speeds, the headlights became inoperable without warning. The contact stated that the failure had occurred several times. The contact replaced the headlight bulbs three times, the fuse, and the switch. The failure persisted. The contact had spoken with the dealer who stated the headlamp driver module (HDM) module needed to be replaced; however, the vehicle was not repaired. The manufacturer was made aware of the failure and a case was opened. The manufacturer informed the contact that an unknown recall for the failure had expired. The approximate failure mileage was 200,200.

- Hodgenville, KY, USA

The contact owns a 2007 Chevrolet Trailblazer. The contact stated that while driving at night, the low-beam headlights would not provide adequate illumination for safe driving. The hi-beam headlight would be used to provide adequate illumination. Upon investigation, the contact discovered NHTSA Campaign Number: 15V519000 (Exterior Lighting) which she linked to the failure. The contact had taken the vehicle to a dealer where she was informed that there were no recalls on the VIN. The contact was able to replace the module and fuses; however, the headlights remained defective. The vehicle had yet to be repaired. The failure mileage was 219,000.

- Georgetown, KY, USA

The contact owns a 2007 Chevrolet Trailblazer. While driving approximately 50 mph, the headlights went out for 15 to 20 seconds before illuminating again. There were no warning indicators illuminated. The failure recurred approximately three times. The manufacturer was made aware of the failures and stated that there was no recall. The failure was not repaired. The failure mileage was approximately 88,000.

- Fairhope, AL, USA

The contact owns a 2007 Chevrolet Trailblazer. While driving various speeds, the headlights turned off intermittently without warning. The vehicle was not included in NHTSA campaign number: 15V519000 (exterior lighting). The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was unknown.

- Jensen Beach, FL, USA

The contact owns a 2007 Chevrolet Trailblazer. The contact was driving at low speeds when the headlights failed. The vehicle was taken to a local dealer but was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 120,000.

- Wilmington, NC, USA

The contact owns a 2007 Chevrolet Trailblazer. While driving at low speeds, the headlights failed. The vehicle was taken to a local dealer, but was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 120,000.

- Wilmington, NC, USA

The contact owns a 2007 Chevrolet Trailblazer. While driving at any speed, the headlights failed without warning. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The contact mentioned that there was a recall related to the failure; however, the VIN was not included. The approximate failure mileage was 41,503.

- Pittsburgh, PA, USA

The contact owns a 2005 Chevrolet Trailblazer. The contact stated that while driving various speeds, the headlights illuminated intermittently as the bolt meter gauge reading fluctuated. The failure recurred numerous times. The vehicle was taken to an authorized dealer and they were unable to duplicate the failure. The manufacturer was not notified of the failure. The failure mileage was unavailable.

- Manchester, PA, USA

The contact owns a 2007 Chevrolet Trailblazer. The contact stated that the low beam headlights failed and the high beam headlights had to be used instead. The failure recurred intermittently. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was 32,000 and the current mileage was 76,000.

- Plano, TX, USA

The contact owns a 2007 Chevrolet trail Blazer. The contact stated that the headlight failed without warning. The failure was experienced several times. The manufacture was made aware of the failure and advised to have the dealer perform a diagnostic. The vehicle was scheduled to be taken to the dealer to have a diagnostic performed. The contact also wanted to advise that the passenger side window could not be closed. The vehicle was not repaired. The VIN was not available. The failure and the current mileage was 31,600.

- Ladson , SC, USA