← New search

2005 Chevrolet Trailblazer Ext 370

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →

When problems were reported

Mileage at the reported incident

200 reports with mileage · 37 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 101 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 67 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Exterior Lighting. Review the 15 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

7 crash reports1 fire reports7 injury reports

Vehicle Speed Control complaints

8 reports
Clear category filter
190,000 miles · Jan 12, 2016
Vehicle Speed Control

TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE VEHICLE FAILED TO ACCELERATE WHEN THE ACCELERATOR PEDAL WAS DEPRESSED. THE FAILURE OCCURRED ONCE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY HAD FAILED AND NEEDED TO …

Read full complaint

TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER EXT 370. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE VEHICLE FAILED TO ACCELERATE WHEN THE ACCELERATOR PEDAL WAS DEPRESSED. THE FAILURE OCCURRED ONCE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY HAD FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 190,000.

NHTSA ODI #10819826

Mileage unknown · Nov 6, 2015
Electrical SystemFuel/propulsion SystemVehicle Speed Control

ELECTRICAL ISSUES:VEHICLE DASHBOARD LIGHTS WILL SHOW DOOR GATE OPEN, DOOM LIGHTS WIL BE ON, RINGING BELL WHEN THE DOOR WOULD BE OPEN AND YET ITS ACTUALLY CLOSED, AS ALL CONTINUES TO GO AT ANY GIVEN TIME WHEN THE VEHICLE IS IN MOVEMENT. SPEED ODOMETER GAGE DOESN'T READ WHEN VEHICLE IS IN MOVEMENT AND THE GAS GAGE DOESN'T READ T…

Read full complaint

ELECTRICAL ISSUES:VEHICLE DASHBOARD LIGHTS WILL SHOW DOOR GATE OPEN, DOOM LIGHTS WIL BE ON, RINGING BELL WHEN THE DOOR WOULD BE OPEN AND YET ITS ACTUALLY CLOSED, AS ALL CONTINUES TO GO AT ANY GIVEN TIME WHEN THE VEHICLE IS IN MOVEMENT. SPEED ODOMETER GAGE DOESN'T READ WHEN VEHICLE IS IN MOVEMENT AND THE GAS GAGE DOESN'T READ THE CORRECT LEVEL OF SHOWING HOW MUCH GAS IS IN VEHICLE. THIS IS A BIG SAFETY ISSUES CAUSE IT HAS ME WORRIED OF NOT KNOWING HOW MUCH GAS I HAVE BEFORE IT RUNS OUT OF GAS RISKING MYSELF AND OTHERS BECAUSE VEHICLE ALL OF A SUDDENNESS LOSES SPEED AND SHUTS DOWN.

NHTSA ODI #10788846

110,000 miles · Jan 2, 2011
Vehicle Speed Control

SPEEDOMETER ON 2005 TRAILBLAZER IS MISLEADING. YOU CAN BE DOING 70MPH AND IT WILL ONLY REGISTER 50 MPH. SOMETIMES YOU CAN BE DOING 20 MPH AND IT WILL REGISTER 120 MPH. BUT 80% OF THE TIME THE SPEEDOMETER IS CORRECT (I THINK). THIS CAN BE DANGEROUS, ESPECIALLY TO NEW DRIVERS (MY DAUGHTER WHO JUST TURNED 16). GM IS PROVIDING …

Read full complaint

SPEEDOMETER ON 2005 TRAILBLAZER IS MISLEADING. YOU CAN BE DOING 70MPH AND IT WILL ONLY REGISTER 50 MPH. SOMETIMES YOU CAN BE DOING 20 MPH AND IT WILL REGISTER 120 MPH. BUT 80% OF THE TIME THE SPEEDOMETER IS CORRECT (I THINK). THIS CAN BE DANGEROUS, ESPECIALLY TO NEW DRIVERS (MY DAUGHTER WHO JUST TURNED 16). GM IS PROVIDING MISLEADING INFORMATION TO THE DRIVER AND YOU HAVE NO INDICATION THAT IT IS INCORRECT. *TR

NHTSA ODI #10373748

Mileage unknown · Mar 28, 2010
Fuel System, OtherVehicle Speed Control

I HAVE A 2005 CHEVY TRAILBLAZER WHAT A HUNK OF JUNK ABOUT 6 MONTHS AGO THE FUEL GAUGE STOPPED WORKING , WHICH I READ IS A KNOWN PROBLEM WITH MANY OF THE 2005 MODELS ITS A PROBLEM BUT I AM DEALING WITH IT UNTIL I RUN OUT OF GAS LATE ON NIGHT WITH MY KIDS AND SOME TERRIBLE HAPPENS TO US! BUT THAT IS NOT THE MAJOR COMPLAINT NOW. ON…

Read full complaint

I HAVE A 2005 CHEVY TRAILBLAZER WHAT A HUNK OF JUNK ABOUT 6 MONTHS AGO THE FUEL GAUGE STOPPED WORKING , WHICH I READ IS A KNOWN PROBLEM WITH MANY OF THE 2005 MODELS ITS A PROBLEM BUT I AM DEALING WITH IT UNTIL I RUN OUT OF GAS LATE ON NIGHT WITH MY KIDS AND SOME TERRIBLE HAPPENS TO US! BUT THAT IS NOT THE MAJOR COMPLAINT NOW. ON 2 SEPERATE OCCASIONS MY SPEEDOMETER JUST STOPS WORKING, EITHER I AM GOING ZERO OR I AM GOING 120 MILES A HOUR, WHAT A MAJOR PROBLEM FOR A PERSON WHO DOES A GREAT DEAL OF HIGHWAY TRAVELING. SO WHAT ARE MY OPTIONS IT SEEM THAT THERE ARE NUMEROUS COMPLAINTS REGARDING BOTH OF THESE ISSUES I KNOW GM DOESNT PROBABLY SEE THEM AS A SAFTEY ISSUE BUT I DO. I TERRIFIED OF RUNNING OUT OF GAS I USUALLY TRAVELING ALONE OR WITH MY TEENAGE DAUGHTER. BUT O WONT BE ABLE TO AFFORD THE GAS BECAUSE I HAVE TO PAY ALL OF THOSE SPEEDING TICKETS. *CN

NHTSA ODI #10322563

135,000 miles · Feb 7, 2010
Vehicle Speed Control

I HAVE A 2005 CHEVROLET TRAILBLAZER EXT LT THE SPEEDOMETER WENT HAYWIRE IT WAS FINE THEN ON THE HIGHWAY I WAS ALL OF A SUDDEN DOING 110 MILES PER HOUR I THOUGHT WHATS GOING ON SO I STOPPED ALONG HIGHWAY FULLY STOPPED MY SPEEDOMETER READ 85 MPH I KNEW THE SPEED WAS OFF CAUSE ME SPEED ON MY GPS SAID I WAS DOING 55 MPH WHEN THE SPE…

Read full complaint

I HAVE A 2005 CHEVROLET TRAILBLAZER EXT LT THE SPEEDOMETER WENT HAYWIRE IT WAS FINE THEN ON THE HIGHWAY I WAS ALL OF A SUDDEN DOING 110 MILES PER HOUR I THOUGHT WHATS GOING ON SO I STOPPED ALONG HIGHWAY FULLY STOPPED MY SPEEDOMETER READ 85 MPH I KNEW THE SPEED WAS OFF CAUSE ME SPEED ON MY GPS SAID I WAS DOING 55 MPH WHEN THE SPEEDOMETER SAID 110 MPH CHEVROLET SHOULD FIX THIS PROBLEM CAUSE IT IS A SAFETY HAZARD CAUSE I AM NOT ABLE TO CORRECTLY JUDGE MY SPEED PLEASE LOOK IN TO THIS I AM NOT THE ONLY ONE HAVING THIS PROBLEM THERE ARE THOUSANDS ON THOUSANDS OF PEOPLE COMPLAINING OF THIS PROBLEM IT IS YOUR DUTY TO CHECK THIS PROBLEM SO SOMEONE OR SEVERAL PEOPLE ARENT KILLED BECAUSE OF CHEVROLETS PROBLEM I CANT BELIEVE THERE ISNT A RECALL ALREADY. IF YOU CAN GET BACK WITH ME ON THIS PROBLEM THANK YOU *TW

NHTSA ODI #10307286

45,000 miles · Feb 6, 2010
Vehicle Speed Control

2005 CHEVROLET TRAILBLAZER.....SPEEDOMETER WORKS IMPROPERLY WHILE DRIVING. I WILL BE DRIVING AT A RATE OF 60 MPH AND ALL OF A SUDDEN THE SPEEDOMETER JUMPS TO 95+ MPH AND WHEN I TURNED OFF THE MOTOR THE SPEEDOMETER WILL NOT GO BACK TO ZERO AND WILL SIT ON 20 OR 30 MPH INSTEAD OF ZERO. THIS HAS BEEN HAPPENING FOR OVER A YEAR. P…

Read full complaint

2005 CHEVROLET TRAILBLAZER.....SPEEDOMETER WORKS IMPROPERLY WHILE DRIVING. I WILL BE DRIVING AT A RATE OF 60 MPH AND ALL OF A SUDDEN THE SPEEDOMETER JUMPS TO 95+ MPH AND WHEN I TURNED OFF THE MOTOR THE SPEEDOMETER WILL NOT GO BACK TO ZERO AND WILL SIT ON 20 OR 30 MPH INSTEAD OF ZERO. THIS HAS BEEN HAPPENING FOR OVER A YEAR. PLEASE HELP....... *CN

NHTSA ODI #10306912

Mileage unknown · Feb 5, 2010
Vehicle Speed Control

SPEEDO STOPPED WORKING AT 65,000. *TR

NHTSA ODI #10306837

59,048 miles · Jul 25, 2008
Vehicle Speed Control

MY 2005 CHEVY TRAILBLAZER KEEPS LOSING POWER TO THE ACCELERATOR PEDAL,I TOOK IT TO THE DEALER THEY HAD IT FOR 2 DAYS THEY REPLACED ACC PEDAL SENSOR I TOOK CAR HOME AND THE PROBLEM OCCURRED AGAIN SAME DAY. IT COST ME 442 DOLLARS TO REPAIR AND I HAVE TO GO BACK TO DEALER TOMORROW WHAT ARE MY RIGHTS IN THIS CASE CAN THEY CHARGE ME …

Read full complaint

MY 2005 CHEVY TRAILBLAZER KEEPS LOSING POWER TO THE ACCELERATOR PEDAL,I TOOK IT TO THE DEALER THEY HAD IT FOR 2 DAYS THEY REPLACED ACC PEDAL SENSOR I TOOK CAR HOME AND THE PROBLEM OCCURRED AGAIN SAME DAY. IT COST ME 442 DOLLARS TO REPAIR AND I HAVE TO GO BACK TO DEALER TOMORROW WHAT ARE MY RIGHTS IN THIS CASE CAN THEY CHARGE ME AGAIN TO FIX THE SAME PROBLEM. *TR

NHTSA ODI #10235824

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

PE11014 · Fuel Level Gauge System Failure

Opened Apr 25, 2011 · Closed Sep 23, 2011

Status: closed (inferred from source dates) · Fuel System, Other; Fuel System, Other:storage:fuel Gauge System

The office of defects investigations (ODI) analyzed complaint data provided by General Motors (GM) as well as complaints submitted to ODI from consumers.In total, there were 5,089 unique reports indicating an inaccurate fuel level reading while driving.General Motors stated that this condition occurs when the contacts of the fuel sensor wear prematurely.Most of the complaints indicated an empty fuel gauge reading after filling the tank.Less than 10 percent of theODI complaints involved an engine stall incident.During this investigation, GM developed a remedy procedure and issued special coverage bulletin instructing dealers to install a new design fuel level sensor.The bulletin was sent to dealers on August 10, 2011 and the owner letter mailing began on August 15, 2011.See the investigative file for copies of GM's bulletin and owner letter.This preliminary evaluation is closed.

Additional source detail variants (2)

Fuel System, Other

The office of defects investigations (ODI) analyzed complaint data provided by General Motors (GM) as well as complaints submitted to ODI from consumers.In total, there were 5,089 unique reports indicating an inaccurate fuel level reading while driving.General Motors stated that this condition occurs when the contacts of the fuel sensor wear prematurely.Most of the complaints indicated an empty fuel gauge reading after filling the tank.Less than 10 percent of theODI complaints involved an engine stall incident.During this investigation, GM developed a remedy procedure and issued special coverage bulletin instructing dealers to install a new design fuel level sensor.The bulletin was sent to dealers on August 10, 2011 and the owner letter mailing began on August 15, 2011.See the investigative file for copies of GM's bulletin and owner letter.This preliminary evaluation is closed.

Fuel System, Other:storage:fuel Gauge System

The office of defects investigations (ODI) analyzed complaint data provided by General Motors (GM) as well as complaints submitted to ODI from consumers.In total, there were 5,089 unique reports indicating an inaccurate fuel level reading while driving.General Motors stated that this condition occurs when the contacts of the fuel sensor wear prematurely.Most of the complaints indicated an empty fuel gauge reading after filling the tank.Less than 10 percent of theODI complaints involved an engine stall incident.During this investigation, GM developed a remedy procedure and issued special coverage bulletin instructing dealers to install a new design fuel level sensor.The bulletin was sent to dealers on August 10, 2011 and the owner letter mailing began on August 15, 2011.See the investigative file for copies of GM's bulletin and owner letter.This preliminary evaluation is closed.

DP10001 · Fuel Level Gauge System Failure

Opened Jan 7, 2010 · Closed May 23, 2011

Status: closed (inferred from source dates) · Fuel System, Other; Fuel System, Other:storage:fuel Gauge System

The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.

Additional source detail variants (2)

Fuel System, Other

The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.

Fuel System, Other:storage:fuel Gauge System

The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.