Problems · by component

2007 Chevrolet Trailblazer exterior lighting problems

162 owner complaints to NHTSA about the 2007 Chevrolet Trailblazer cite exterior lighting, 21% of all 782 complaints for this model year. NHTSA also lists 1 recall on this component.

Complaints
162
21% of all complaints
Crashes
0
Reported by owners
Fires
2
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the exterior lighting

Verbatim from NHTSA complaints, newest first
“The contact owns a 2007 Chevrolet Trailblazer. The contact stated while driving 55 MPH at nighttime, the low-beam headlights started flickering, and then became inoperable. The vehicle decelerated and veered to the side of the road. The contact engaged the high-beam headlights and continued driving. The contact stated that he replaced the low-beam headlights relay several times. Additionally, the contact replaced the low beam headlights switch, bulb, and fuses; however, the failure persisted. The local dealer and a second dealer, Pohanka Chevrolet (13915 US-50, Chantilly, VA 20151) were notified of the failure and informed the contact that the VIN was not included in a recall. The contact related the failure to GM Campaign Number: N140291. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 133,000.”
Owner complaint to NHTSAFiled May 13, 2024Exterior lightingODI 11588377
“Keeps blowing #46 headlight relay. Happens every 2-3 weeks. When this happens the low beams stop working. I have to switch to high beams to continue driving.”
Owner complaint to NHTSAFiled Jun 10, 2023Electrical system, Exterior lightingODI 11526325
“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.”
Owner complaint to NHTSAFiled Jul 26, 2022Exterior lightingODI 11475863
“My headlights turn off bybthemselves while driving, other times they wont turn off at all after car is turned off even while in park, and other times they turn on while switched to off position randomly in the middle of te night resulting in a dead battery come morning. My driver window no longer works as well as driver power locks. Happening since 2020 random at first now permentant removal of fuse switch in order to shut off lights and the fuse switch is hot to the touch upon removal.”
Owner complaint to NHTSAFiled Dec 3, 2021Electrical system, Exterior lighting, Visibility/wiperODI 11442611
“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.”
Owner complaint to NHTSAFiled Nov 15, 2021Exterior lightingODI 11440471
“I NOTICED AROUND MARCH 18TH 2021,THAT MY HEADLIGHTS WAS OUT WHILE DRIVING AND JUST 2 DAYS AGO MY BATTERY DIED APRIL 12TH 2021 DUE TO MY IGNITION SWITCH BEING STUCK IT WAS PARKED ALREADY IN MY GARAGE”
Owner complaint to NHTSAFiled Apr 14, 2021Electrical system, Exterior lightingODI 11408153

Showing 6 of 162 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
02 —Related recalls

1 recall on this component

Exterior lighting: headlights

Free remedy

General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles. In the affected vehicles, the headlamp driver module (HDM) may overheat and fail, causing the headlamps and daytime running lights to not illuminate.

Exterior lightingReported Aug 14, 2015NHTSA 15V519000
Data from NHTSA Recalls API · synced Nov 10, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.