NHTSA Data Explorer
Chevrolet Trailblazer EXT
Data refreshed May 30, 2026
Select a model year to filter results to that year of the Chevrolet Trailblazer EXT.
Complaints
1,151
Active records
Recalls
9
Active records
TSBs
220
Active records
Filing history
Monthly totals over the last 20 years. Click a legend item to show or hide that series.
Reported severity
Based on consumer complaints filed since 2000. Recalls and TSBs do not include severity data.
Deaths
0
Injuries
40
Crashes
27
Fires
17
Top reported issues — Chevrolet Trailblazer EXT
Click a category to expand its values.
Reporting mechanism
Condition issue
Operating state
Fluid issue
Lighting behavior
Engine behavior
Access/entry issue
Transmission/drivetrain behavior
Noise
Smell
Thermal issue
Electrical issue
HVAC behavior
Performance issue
Safety restraint issue
Safety restraint behavior
Wiper/washer behavior
Recent change
Infotainment behavior
Starting behavior
Vibration/harshness
Driver assistance issue
Braking behavior
Powering on/off behavior
Steering behavior
Communication/network issue
Ride/handling behavior
Recent filings
The 10 most recent filings for each type.
2005 CHEVROLET TRAILBLAZER EXT 370
Filed Dec 29, 2019
STOP IT STARTS JERKING AND CHECK ENGINE LIGHT FLASHS HEAD WENT BAD AT 109 THOSAND MILES
2006 CHEVROLET TRAILBLAZER EXT
Filed Jun 11, 2019
ON AUGUST 18, 2017, I LEASED-TO-OWN A 2006 CHEVROLET TRAILBLAZER FROM ACTION AUTO OF TUPELO, MS. AROUND THE FIRST WEEK OF OCTOBER OF 2018, I HAD LEND SAID VEHICLE TO MY SISTER. SHE CONTACTED ME SAYING THAT THE ENGINE WAS MAKING A KNOCKING NOISE, AND BROUGHT THE VEHICLE BACK TO ME, WHERE I INSPECTED IT WHILE IT WAS STATIONARY. TO RULE OUT EVERYTHING ELSE BEFORE I ACKNOWLEDGED THE SOUND OF THE KNOCK BEING A SEVERE MECHANICAL FAILURE OF THE ENGINE, I CONNECTED A DIAGNOSTIC SCANNER TO THE CAN DATA…
2004 CHEVROLET TRAILBLAZER EXT
Filed Apr 17, 2019
TAKATA RECALL I WAS RECENTLY IN A CAR ACCIDENT THAT WAS LISTED IN THE POLICE REPORT AS A HEAD ON COLLISION AND NOT ONE AIRBAG DEPLOYED. THE IMPACT AS I WAS TOLD WAS HARD ENOUGH THAT THE AIRBAGS SHOULD HAVE DEPLOYED.
2003 CHEVROLET TRAILBLAZER EXT
Filed Mar 20, 2019
TL* THE CONTACT OWNS A 2003 CHEVROLET TRAILBLAZER EXT. THE CONTACT STATED THAT FUEL WAS LEAKING NEAR THE BOTTOM REAR OF THE VEHICLE. THE CONTACT INSPECTED UNDERNEATH THE VEHICLE AND NOTICED THAT THE CHECK VALVE WAS FRACTURED. JOE LUNGHAMER CHEVROLET (475 SUMMIT DR, WATERFORD TWP, MI 48328, 1-(248) 683-7100) WAS NOTIFIED AND STATED THAT THE VEHICLE WOULD NEED TO BE DIAGNOSED AND THERE WAS NO FUEL SYSTEM RECALL. THE MANUFACTURER ISSUED EXTENDED WARRANTY CAMPAIGN NUMBER: 14423, BUT THEY HAD NOT…
2004 CHEVROLET TRAILBLAZER EXT
Filed Feb 11, 2019
RUSTED FUEL LINES- GARAGE CHECKED STRONG FUEL SMELL AND DISCOVERED RUSTED FUEL FILLER AND LINES
2004 CHEVROLET TRAILBLAZER EXT
Filed Jan 6, 2019
PART # 19120564 RUBS ON TAILGATE WHEN OPENING . DOES SECURE PROPERLY. EVENTUALLY, FLEW OFF WHILE DRIVING.
2003 CHEVROLET TRAILBLAZER EXT
Filed Dec 4, 2018
THE ABS LIGHT HAS COME ON AND THEN IT WOULD WORK SOMETIMES AND NOT OTHER TIMES. NOW IT NEVER WORKS. NOW THAT ITS WINTER I'M SLIDING AT STOP SIGNS THAT AREN'T EVEN THAT SLIPPERY. THE ACTUATORS IN THE HEATING AND COOLING ARE NOT WORKING PROPERLY. ALL SUMMER I HAD HEAT BLOWING ALL THE TIME AND SUDDENLY THERE WOULD BE NOTHING. NOW IT'S COLD AIR ALL THE TIME. MAKES MY WINDOWS FOG UP AND NOT DEFROST. I HAVE DONE THE RESET PROCEDURE AND HEAR THINGS MOVING BUT IT DOESN'T FIX IT. THE BLOWER IN THE…
2005 CHEVROLET TRAILBLAZER EXT 370
Filed Oct 12, 2018
THE WHOLE INSTRUMENT CLUSTER DOES NOT WORK ANYMORE, DOES NOT LET ME KNOW HOW FAST I'M GOING OR HOW MUCH FUEL I HAVE, OIL PRESSURE GAUGE DOESN'T WORK, TEMPERATURE GAUGE DOESN'T WORK... WHY HASN'T THIS BEEN RECALLED? THIS IS VERY DANGEROUS, CONSIDERING I HAVE 4 KIDS THAT ARE CONSTANTLY IN THE CAR WITH ME AND I HAVE NO IDEA WHAT IS GOING ON WITH MY VEHICLE?? AND IT ALSO TELLS ME THAT MY FUEL LEVEL IS LOW, EVEN AFTER I FILL MY TANK. THIS SEEMS LIKE A VERY COMMON PROBLEM IN THESE VEHICLES, WHY HAS…
2003 CHEVROLET TRAILBLAZER EXT
Filed Oct 11, 2018
HAS A BAD GAS SMELL LEAKING GAS SOMEWHERE
2005 CHEVROLET TRAILBLAZER EXT 370
Filed Jun 8, 2018
I HAVE 2005 CHEVROLET TRAILBLAZER 4WD EXT LS 4.2 LITER. I NOTICED OVER PAST 3 YEARS THAT I BE AT DRIVE THROUGH FOR BURGERS AND ETC. THE CAR WOULD CUT OFF. I DID NOT THINK MUCH OF IT AT THE TIME. IT HAS GOTTEN CRITICALLY WORSE. IT WOULD CUT OFF IN MIDDLE OF THE HIGHWAY, DRIVE THROUGHS AND ETC. DURING THE PAST TWO YEARS I HAVE RE THE LUSTER AND OVER HEAD DOME LIGHT FLICKER. HEAD LIGHTS VERY DIM ON DRIVING ALSO I HAVE REPLACED ON THIS VEHICLE THE FUEL THROTTLE AND SENSOR, A CRANK SENSOR…