Problems · by component

2008 Chevrolet Trailblazer electrical system problems

66 owner complaints to NHTSA about the 2008 Chevrolet Trailblazer cite electrical system, 34% of all 195 complaints for this model year.

Complaints
66
34% of all complaints
Crashes
0
Reported by owners
Fires
11
Reported by owners
Injuries
1
Reported by owners
01 —Owner reports

What owners say about the electrical system

Verbatim from NHTSA complaints, newest first
“The contact owns a 2008 Chevrolet Trailblazer. The contact stated that while parked in her driveway, the passenger side door caught fire without warning. The fire occurred overnight and in the morning, the contact and her boyfriend discovered both her passenger side door and front passenger seat melted. The contact believed that the fire smoldered overnight and eventually burned out on its own. The fire department was not notified and a fire report was not filed. The contact called the dealer and was informed that there were no recalls on the vehicle. The contact's boyfriend discovered that the wiring inside the door had melted which may have caused the fire. The manufacturer had yet to be notified of the failure. The vehicle had yet to be serviced or diagnosed. The failure mileage was approximately 206,000”
Owner complaint to NHTSAFiled Jun 21, 2022Electrical systemFire reportedODI 11470255
“REAR HATCH LICENSE PLATE LAMPS BLOWING OUT, FLICKERING ALSO HATCH LOCK CLICKS REPEATEDLY, WITHOUT TOUCHING ELECTRIC LOCK BUTTONS. WHEN OPENING THE HATCH THE LICENSE LIGHTS GO ON/OFF ON/OFF. THE HATCH LOCK CLICKS REPEATEDLY. THE HATCH WIRE HARNESS COVERED WITH A 'RUBBER BOOT/SLEEVE', WHEN MOVED CAUSES LOCK CLICKING AND PLATE LIGHTS FLICKERING. THE HATCH LOCK INTERMITTENTLY LOCKS BUT WILL NOT UNLOCK. VEHICLE USUALLY PARKED. OBVIOUSLY UNABLE TO SEE LICENSE LAMPS WHEN IN MOTION.”
Owner complaint to NHTSAFiled Sep 15, 2020Electrical systemODI 11355266
“LOW BEAMS STOPPED WORKING, TOOK IT TO THE DEALER WHO REPLACED BOTH BULBS AND IT WORKED FOR A COUPLE WEEKS NOW LOW BEAMS RANDOMLY SHUT OFF WHILE DRIVING, ESPECIALLY AT NIGHT. AIRBAG SENSOR KEEPS TURNING ON AND OFF AND THE HORN STOPPED WORKING. THE AIRBAG SENSOR SEEMS TO COME ON MORE ON LONGER TRIPS AROUND THE CITY WITH MORE TURNS.”
Owner complaint to NHTSAFiled Oct 12, 2019Electrical system, Exterior lighting, Air bagsODI 11268036
“CAN TURN OVER BUT DOESNT START HAVE TO KEEP PLAYING WITH KEY UNTILL IT STARTS AND WILL ONCE IN AWHILE JUST LOSE POWER WHILE DRIVING SOMETIMES CAN PUT IN NEUTRAL AND WILL START BACK UP BUT SOMETIMES HAVE TO PULL OVER TO WAIT AND RESTART CANT DRIVE ON FREE WAY AFRAID IT WILL DIE OUT IN TRAFFIC”
Owner complaint to NHTSAFiled Aug 16, 2019Electrical systemODI 11244369
“IT BAG FOR FRONT DRIVER LIGHT IS ON DO NOT KNOW WHY? THERE IS SOME KIND OF ELECTRICAL SHORT AND I'VE HAD IT CHECKED BY TWO COMPANIES CANNOT FIND IT I'VE HAD NEW BATTERY, NEW ALTERNATOR AND STILL CAR STOPS WORKING I GET CAR JUMPED AND CAN PUT KEY IN IGNITION TO TRY TO START CAR AND WHEN I SHUT CAR OFF TOO SOON OR WHY I TRY TO START CAR IT'S NOT WORKING AND THEN I CANNOT GET KEY OUT OF THE IGNITION THIS HAS HAPPENED AT LEAST 5 TIMES CAR ONLY HAS 84883 MILES ON IT THIS HAPPENES IF FRONT OF HOUSE WHEN I GO TO START CAR. I AM LISTING LAST TIME THIS HAPPENED WAS TODAY BUT THE AIRBAG FOR THE DRIVERS SIDE IS ALWAYS ON NOW FOR ABOUT 5 MONTHS”
Owner complaint to NHTSAFiled Nov 28, 2018Electrical system, Air bagsODI 11154529
“ENGINE DIES WHILE DRIVING (LOSING PROPULSION, STEERING, BRAKES, ETC.) AND THE KEY WILL NOT RESTART WHEN TURNED FORWARD (IN NEUTRAL), WHILE COASTING, BUT WILL RESTART WHEN THE KEY IS TURNED BACK AND THEN FORWARD AGAIN. IN THIS CASE, COASTING DOWN AND BRAKING AND TURNING RIGHT, POSSIBLY WITH RIGHT TURN SIGNAL ON. DIED RIGHT BEFORE STARTING TO TURN THE STEERING WHEEL AT ABOUT 15-20 MPH. IT WAS A CLEAR DRY 100 DEGREE AFTERNOON, ON SMOOTH PAVEMENT. WE LIVE ON A BUMPY DIRT ROAD THAT IS JUST OVER A QUARTER OF A MILE LONG TO REACH OUR HOUSE. SIMILAR TO OTHER GM IGNITION KEY / NO AIR BAG RECALL PROGRAMS FOR SIMILAR MODEL YEAR VEHICLES, SUCH AS THE HHR. THERE IS NO RECALL, BUT HOW MANY PEOPLE DOES THIS HAPPEN TO? ANY DEATHS, YET? I DON'T BELIEVE THE AIR BAGS MAY HAVE WORKED, SHOULD WE HAVE BEEN INVOLVED IN AN ACCIDENT. THERE WAS NO INFORMATION SHOWN IN THE DIVER INFORMATION CENTER DISPLAY (DIC) AND THERE WERE WARNING LIGHTS ON IN THE DASHBOARD, TO INDICATE THAT THE POWER WAS ON TO THE INSTRUMENT CLUSTER (IC), BUT THAT THE MOTOR WAS OFF. I COULD NOT SELECT BRAKES AND STEERING AS BEING AFFECTED, BUT WITH NO MOTOR, THERE IS NO VACUUM BRAKE BOOSTING GOING ON, AND NO POWER STEERING EITHER.”
Owner complaint to NHTSAFiled Sep 5, 2018Electrical system, Air bags, EngineODI 11124643

Showing 6 of 66 reports. Read every report on NHTSA.gov.

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

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

Other 2008 Trailblazer problem areas