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

602

Condition issue

339

Operating state

177

Fluid issue

125

Lighting behavior

98

Engine behavior

76

Access/entry issue

71

Transmission/drivetrain behavior

71

Noise

69

Smell

57

Thermal issue

51

Electrical issue

50

HVAC behavior

47

Performance issue

42

Safety restraint issue

38

Safety restraint behavior

25

Wiper/washer behavior

23

Recent change

21

Infotainment behavior

20

Starting behavior

19

Vibration/harshness

14

Driver assistance issue

13

Braking behavior

12

Powering on/off behavior

12

Steering behavior

11

Communication/network issue

1

Ride/handling behavior

1

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


3 injured
Crash

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…

Data sourced from NHTSA's public datasets. Issue classifications are generated by Repair Surge. About this data.

Updated May 30, 2026. Refreshed nightly.