There are 11 owner-reported lighting complaints for the 2008 Chevrolet Trailblazerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
While driving home at approximately 9:30pm, my eighteen year old daughter experienced the headlights failing to come on after dark with the automatic headlight-on feature. She turned on the headlights manually, and the low beams still were not working, but all driving lights and high beam headlights were working. I assumed that the bulbs were burned out, so replaced both the driver and passenger side bulbs. The low beam headlights still failed to come on either automatically or manually. I Googled the problem, and multiple people have reported this exact same problem, and some stated that there was a recall due to this problem. I am unable to find either a recall or a service bulletin for this issue.
DIM HEADLIGHTS QUIT WORKING WHILE DRIVING AT NIGHT. BRIGHT LIGHTS WORKED, BUT NO DIMS.
I WAS DRIVING IN THE EVENING AND BOTH OF MY HEADLIGHTS CUT OFF AND WON'T COME BACK ON.
I WAS DRIVING MY CAR AT NIGHT AND THE HEADLIGHTS JUST WENT OFF. NO WHITE LIGHTS ONLY THE AMBER LIGHTS WERE ON, THE NEXT DAY WHEN I TURNED THE CAR ON THE LIGHTS WERE WORKING. THIS HAS HAPPENED 3 TIMES. I AM AFRAID TO DRIVE THE CAR AFTER DARK.
LOW BEAM HEADLIGHTS GO OFF INTERMITTENTLY WHILE DRIVING. UNABLE TO GET THEM TO COME BACK ON MANUALLY. COMES ON AND OFF AS IT PLEASES. HAVE ALREADY REPLACED THE HEADLIGHT RELAY TO NO AVAIL.
TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE HEADLIGHT DRIVER MODULE (HDM) FAILED TO FUNCTION PROPERLY, WHICH PREVENTED THE LOW BEAM HEADLIGHTS FROM ILLUMINATING WHEN NEEDED. JACKSON CHEVROLET (660 S MAIN ST, MIDDLETOWN, CT 06457, (860) 316-4063) DIAGNOSED THAT THE HDM RELAY SWITCH NEEDED TO BE REPLACED. THE CONTACT STATED THAT THE VEHICLE EXHIBITED THE SAME SYMPTOMS AS LISTED IN NHTSA ACTION NUMBER: RQ17002 (EXTERIOR LIGHTING). THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND STATED THAT THE VEHICLE YEAR WAS NOT INCLUDED IN MANUFACTURER RECALL NUMBER: 14291. THE FAILURE MILEAGE WAS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE HEADLAMPS FAILED TO ILLUMINATE. THE FAILURE OCCURRED WITHOUT WARNING. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND PROVIDED CASE NUMBER: 83073848929. THE MANUFACTURER INFORMED THE CONTACT THAT THEY WERE NOT OFFERING ANY ASSISTANCE DUE TO THE VEHICLE'S MILEAGE. THE FAILURE MILEAGE WAS APPROXIMATELY 184,000. UPDATED 08/29/17*LJ *CN
TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE LOW BEAM HIGHLIGHTS FAILED TO ACTIVATE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 60,000.
TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT UPON ENTERING AND STARTING THE VEHICLE, THE HEADLIGHTS FAILED TO OPERATE WITHIN MINUTES OF STARTING THE VEHICLE. THE CONTACT STATED THAT THE FAILURE OCCURRED INTERMITTENTLY AND WAS GETTING PROGRESSIVELY WORSE. THE VEHICLE WAS TAKEN TO THE DEALER TO BE DIAGNOSED, HOWEVER THE FAILURE COULD NOT BE DUPLICATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 78,000.
TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 30 MPH, BOTH FRONT HEADLIGHTS SHUT OFF AND THE HIGH BEAM LIGHTS HAD TO BE UTILIZED. THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 42,000 AND THE CURRENT MILEAGE WAS 65,000.
TL* THE CONTACT OWNS A 2008 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 30 MPH, THE LOW BEAMS FAILED TO ILLUMINATE. THE FAILURE WAS RECURRING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026