2005 Chevrolet Trailblazer Problems
- Complaints
- 1,466filed with NHTSA
- Median mileage
- 70,000miles, 1,214 complaints with mileage
- Recalls
- 2campaigns on record
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
- NHTSA crash rating
- —overall rating starts with 2011 models
- EPA fuel economy
- 15 mpgcombined, 4.2L 6-cyl RWD · 13 city / 18 hwy
Sources: NHTSA records for the 2005 Chevrolet Trailblazer (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error
What owners report
Owners of the 2005 Chevrolet Trailblazer most often report an inaccurate fuel gauge that reads empty after a fill-up or wanders between empty and a quarter tank, and intermittent instrument cluster failures affecting the speedometer and other gauges. A second common theme is headlights that flicker or go out while driving, often together with dimming interior lights and gauge movement. Many of these complaints were filed between roughly 20,000 and 100,000 miles.
- Fuel system
Fuel gauge reads wrong or empty (fuel level sensor)
- 777 complaints (53%)
- median 71,000 mi at 5.9 yrs old (643 state mileage)
- 7 mention a crash, fire or injury
- owner-quoted repair $600 (median of 101 quotes)
- filed 2005–2026
Owners describe the fuel gauge showing empty right after a fill-up, or fluctuating between empty and a quarter tank regardless of actual fuel level, sometimes with the low-fuel light staying on. Several say the dealer diagnosed a faulty fuel level sensor or sending unit in the tank, and some report replacing the fuel pump or sensor without lasting success. A few mention being told about a special policy or warranty extension covering the sensor, while others were quoted several hundred dollars for the repair. Reported across a wide mileage range, commonly between about 30,000 and 130,000 miles, and often noticed immediately after refueling.
What to check: Fill the tank and watch whether the gauge settles near full and holds steady while driving; also ask whether the fuel level sensor or fuel pump module has been replaced, and check for any warranty extension paperwork.
2 excerpts from owner complaints in NHTSA records
“Fuel gauge on our 2005 trail blazer stopped working. This car was about 1 1/2 years old when this happened. Just in simple talking I know 6 different people with this model that has had the same problem. It sound as if this is a problem with this model.”
NHTSA complaint #10260615, filed 2009-03, 50,000 miles“I was driving to town on I-10 when I ran out of gas and was almost rear ended by a semi. My gas gauge didn't register empty. I took my 2005 chevy Trailblazer to gateway Chevrolet and was told it was the fuel level sensor and would cost me $525.00 to replace. I now personally know of 3 other chevys to have the same problem, 2 trailblazers and 1 envoy. This is a dangerous situation and from all the complaints I'm seeing, I'm far from being one of few this is happening to. …”
NHTSA complaint #10312778, filed 2010-02, 73,000 miles - Electrical system
Speedometer and other gauges fail or read wrong
- 737 complaints (50%)
- median 70,000 mi at 5.8 yrs old (638 state mileage)
- 3 mention a crash, fire or injury
- owner-quoted repair $550 (median of 103 quotes)
- filed 2005–2020
Owners report the speedometer sticking at zero, reading far higher or lower than actual speed, or cutting in and out, and in some cases the fuel, oil pressure and other gauges fail along with it. Complaints commonly attribute this to the instrument cluster, and some owners describe replacing the entire cluster to restore the gauges. Dealers and shops are described as diagnosing the cluster but the repair often falls to the owner. Often reported between about 25,000 and 140,000 miles, with some failures described within the first few years of ownership.
What to check: During a test drive, compare the speedometer against a GPS or known road speed and confirm every gauge responds; ask whether the instrument cluster has been repaired or replaced.
2 excerpts from owner complaints in NHTSA records
“Gauges on the instrument panel stopped working. There are currently 3 gauges not working on my instrument panel including the speedometer and the gas gauge. This is extremely dangerous not knowing when your gas tank is empty or how fast your going. The gauges do not work whether I am driving or stopped.”
NHTSA complaint #11029895, filed 2017-09, 115,000 miles“While driving on the expressway the gas gauge indicator beeped indicating that I was low on fuel. I was not sure when I filled up last so I stopped and filled up with gas. After filling up with gas, I restarted the vehicle, the gas gauge still read empty. Two months prior to this I had to replace the instrument cluster on the dash (speedometer, etc), so with this being the case, I determined that the gas sending unit was faulty or broken. From what I read, the cost to fix this varies from $650 to $850. …”
NHTSA complaint #10403269, filed 2011-05, 95,000 miles - Exterior lighting
Headlights flicker or go out while driving
- 173 complaints (12%)
- median 60,000 mi at 5.0 yrs old (136 state mileage)
- 2 mention a crash, fire or injury
- owner-quoted repair $1,200 (median of 6 quotes)
- filed 2005–2024
Owners describe headlights that flicker, dim, or turn off entirely while driving, sometimes along with interior lights dimming and the ammeter gauge swinging. Some say the problem is worse in cold weather or when letting off the throttle, and a few report that other drivers mistake the flicker for a signal. Repairs described include relays, fuses, the body control module and the fuse box, with mixed results. Reported from very low mileage up to about 150,000 miles, with several owners noting the behavior in colder months.
Recall 05V0350003 related service bulletins
What to check: Check that low and high beams work steadily at idle and while driving, look for a history of fuse box, relay or body control module repairs, and ask whether any lighting-related campaigns were performed.
2 excerpts from owner complaints in NHTSA records
“While driving down the interstate at night my dim lights went completely out and would not come back on. I had to drive the remainder of the way with my bright lights blinding cars in front of me and in coming. Since the first incident this has continued to happen.”
NHTSA complaint #11363281, filed 2020-10, 90,000 miles“Most recent, I am driving down the road my head lights go out. Nothing else, just the main head lights. All.otjer lights stay on. High beams work, parking lights stay on. This is not safe!!!”
NHTSA complaint #11377582, filed 2020-12, 168 miles - Electrical system
Electrical gremlins: dimming lights and dead circuits
- 212 complaints (14%)
- median 66,000 mi at 5.0 yrs old (175 state mileage)
- 8 mention a crash, fire or injury
- owner-quoted repair $600 (median of 15 quotes)
- filed 2005–2022
Owners report lights dimming, accessory fans and gauges dropping and recovering, battery or ammeter readings swinging below and above normal, and occasional complete loss of power while driving. Some describe burnt connectors or wiring plugs that had to be cut out and replaced, and a few mention pinched wires or grounding problems found by the dealer. Repair outcomes vary, and some owners say the problem returned after repair. Reported from under 25,000 miles up to about 135,000 miles, sometimes occurring intermittently over long periods.
What to check: Ask about any history of wiring harness, connector or ground repairs, and watch for lights or accessories dimming and recovering during the test drive.
2 excerpts from owner complaints in NHTSA records
“Late evening, I was driving down the freeway in a snow storm and suddenly my engine power dropped significantly. I could not go over 10 MPH and barely made it up the off ramp to be stranded 3 1/2 hours away from home. I spent a total of $700 to get the alternator and I-pulley replaced. The old part was not returned or I would have had to pay an additional $50.”
NHTSA complaint #10222434, filed 2008-03, 66,342 miles“I bought this car used in 2009. It had about 60000 miles on it. 1) the first problem I had with it was a burnout of the hac blower plug, that part of the wiring harness had to be cut out and replaced wth a completely new plug( both halves) and rewired in for a cost of 125.oo and 3 hours of labour. I looked this up on the internet very common problem 2) rider side door control panel stopped working with strong odor of burnt plastic. …”
NHTSA complaint #10950166, filed 2017-02, 105,000 miles
Buying note. On a used 2005 Trailblazer, verify the fuel gauge and speedometer behave correctly through a fill-up and a test drive, since cluster and fuel sensor problems are the most frequent complaints. Ask for records of any gauge, wiring or lighting repairs and confirm the airbag and windshield recalls were performed.
Summary written with AI from a sample of 60 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.
NHTSA recorded 1,466 consumer complaints for the 2005 Chevrolet Trailblazer. 1,214 of the complaints include a mileage, and 23% of those were filed for vehicles with under 50,000 miles; the median is 70,000 miles. Of all complaints, 59 involved a crash, 25 a fire, 59 an injury, 1 a death, according to the filers. NHTSA lists 2 recall campaigns and 658 technical service bulletins for this model year.
Not compared (before 2008). Model years 2008–2023 of the same vehicle that have at least 25 complaints are compared, and a model needs at least 3 of them.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system617 42%
- Fuel system611 42%
- Exterior lighting140 9.6%
- Vehicle speed control76 5.2%
- Air bags70 4.8%
- Transmission and drivetrain51 3.5%
- Engine cooling44 3.0%
- Other or unknown32 2.2%
- Engine30 2.1%
Also reported: Brakes (29), Body and structure (27), Equipment (21), Steering (20), Seat belts (12), Tires (11), Interior lighting (10), Electronic stability control (7), Suspension (7), Seats (6), Latches, locks and linkages (4), Wheels (3).
Example complaints
Electrical system: “Nov.2013 was the frist time we had a proplem, right after that the oil gauge was not working. On an off we have noticed other type of problem that seem to be electrical. For the last year \year an half my gas is all over the place, always stopping to get gas as not to give out. Also, my gear and mileage gauge does not work. Now have no idea when to change the oil or rotate tires”
NHTSA complaint #11001457, filed 2017-06, 75,000 milesFuel system: “My car has shut down while idling at a stop sign or red light. The first time was in 2006, but has happened several times since then. I've taken it to the dealership, but they said that they couldn't see anything wrong with my vehicle. I believe that my fuel gauge is inaccurate. It showed empty, and, then 1/4 tank. The rear wiper sweeps without being turned on.”
NHTSA complaint #10608262, filed 2014-07, 8,000 milesExterior lighting: “I was leaving a parking lot at dark and my low beam headlights were working. After exiting the parking lot to the road, I note that the low beams were out. I then had to drive through town on the busiest roads with my high beams on. It was approximately 2100 and the temperature was in the 70's.”
NHTSA complaint #10762042, filed 2015-09, 131,500 milesVehicle speed control: “Speedometer first showed speed of 60 when sitting still. I turned off the engine, restarting it 3 times and the speedometer reset. But a few days later it once again stuck and I had just started it. This time at 48 at all times whether the engine is on or off, idling of traveling. It continues to be stuck at 48 at all times, never decreasing or increasing.”
NHTSA complaint #11189864, filed 2019-03, 85,000 milesMileage when problems were reported
23% of the 1,214 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 50,000 and 95,126 miles.
Complaints by year filed
Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2005 Chevrolet Trailblazer. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| Trailblazer · sedan | not rated | 3 / 4 | — | — | 4 · 19.1% risk |
Ratings before the 2011 model year come from an older, less demanding test and are not comparable with ratings for 2011 and later.
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Fuel economy and running cost
EPA ratings for each 2005 Chevrolet Trailblazer version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| TrailBlazer 2WD | 4.2L 6-cyl | 4-speed automatic | 14 | 20 | 16 | $4,200 |
| TrailBlazer 4WD | 4.2L 6-cyl | 4-speed automatic | 14 | 19 | 16 | $4,200 |
| TrailBlazer Ext 2WD | 4.2L 6-cyl | 4-speed automatic | 13 | 18 | 15 | $4,450 |
| TrailBlazer Ext 2WD | 5.3L 8-cyl | 4-speed automatic | 13 | 19 | 15 | $4,450 |
| TrailBlazer Ext 4WD | 4.2L 6-cyl | 4-speed automatic | 12 | 17 | 14 | $4,800 |
| TrailBlazer Ext 4WD | 5.3L 8-cyl | 4-speed automatic | 13 | 18 | 15 | $4,450 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 06V417000Oct 31, 2006Air bags › FrontalCovers: Chevrolet Trailblazer 2005–2006, Buick Lacrosse 2005–2006, GMC Envoy 2005–2006 +9 more
Certain vehicles originally built with cloth seats that were equipped with an automatic air bag passenger sensing system and later reupholstered with aftermarket leather seat cover kits are involved. Testing has indicated that the aftermarket leather seat…
- 05V035000Feb 3, 2005Visibility › WindshieldCovers: Chevrolet Trailblazer 2005, GMC Envoy 2005, Buick Rainier 2005 +1 more
Certain sport utility vehicles fail to comply with the requirements of federal motor vehicle safety standard no. 212, 'windshield mounting.' the windshield urethane bead may not have adhered to the body in certain areas during the cure process.
Recall details for the 2005 Chevrolet Trailblazer → · Check a VIN at nhtsa.gov/recalls
NHTSA investigations
- RQ17002Loss of HeadlightsClosed · Apr 24, 2017
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 658 on record; the latest 10 are shown.
- 11020816Jul 18, 2025Other or unknown. This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- 11019074May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
- 11019073May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
- 11019072May 30, 2025Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
- 11014455Feb 20, 2025Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get…
- 11011782Dec 7, 2024Other or unknown. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is…
- 11009156Oct 25, 2024Electrical system. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester…
- 11007744Sep 12, 2024Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical…
- 11007743Sep 12, 2024Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical…
- 11008956Sep 9, 2024Other or unknown. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
Other model years of the Chevrolet Trailblazer
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2026 | 12 | 12,000 | 1 | 5 | 31 | — | Too new |
| 2025 | 26 | 18,750 | 1 | 5 | 31 | Too new to compare | Too new |
| 2024 | 36 | 10,000 | 1 | 5 | 31 | Too new to compare | Too new |
| 2023 | 75 | 42,481 | 0 | 5 | 31 | 50 · Typical | Too new |
| 2022 | 112 | 37,750 | 1 | 5 | 31 | 69 · More | Rising |
| 2021 | 198 | 20,000 | 4 | 4–5 | 31 | 100 · More | Rising |
| 2009 | 27 | 83,000 | 0 | — | 16 | 0 · Fewer | Stable |
| 2008 | 193 | 73,000 | 0 | — | 16 | 49 · Typical | Falling |
| 2007 | 732 | 71,100 | 5 | — | 16 | Not compared (before 2008) | Falling |
| 2006 | 1,108 | 68,000 | 8 | — | 16 | Not compared (before 2008) | Falling |
| 2005 | 1,466 | 70,000 | 2 | — | 15 | Not compared (before 2008) | Falling |
| 2004 | 1,081 | 67,075 | 2 | — | 16 | Not compared (before 2008) | Falling |
| 2003 | 901 | 75,000 | 8 | — | 16 | Not compared (before 2008) | Falling |
| 2002 | 1,149 | 65,000 | 12 | — | 16 | Not compared (before 2008) | Falling |
| 2001 | 20 | 76,531 | 0 | — | — | — | Stable |
| 2000 | 26 | 70,500 | 0 | — | — | Not compared (before 2008) | Stable |
All Chevrolet Trailblazer model years · Best and worst years by complaints
Frequently asked questions
What are the most common problems with the 2005 Chevrolet Trailblazer?
Owners of the 2005 Chevrolet Trailblazer most often report an inaccurate fuel gauge that reads empty after a fill-up or wanders between empty and a quarter tank, and intermittent instrument cluster failures affecting the speedometer and other gauges. The issues reported most often: Fuel gauge reads wrong or empty (fuel level sensor); Speedometer and other gauges fail or read wrong; Headlights flicker or go out while driving.
How many NHTSA complaints does the 2005 Chevrolet Trailblazer have?
NHTSA recorded 1,466 consumer complaints for the 2005 Chevrolet Trailblazer as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2005 Chevrolet Trailblazer is reported most often?
Electrical system is named most often, in 617 complaints (42% of the total), followed by fuel system with 611.
Has the 2005 Chevrolet Trailblazer been recalled?
NHTSA lists 2 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 2005 Chevrolet Trailblazer get?
The EPA rates the 2005 Chevrolet Trailblazer (TrailBlazer Ext 2WD, 4.2L 6-cyl) at 15 mpg combined, 13 city and 18 highway, with an estimated annual fuel cost of $4,450 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 2005 Chevrolet Trailblazer reported?
Among the 1,214 complaints that include a mileage, the median is 70,000 miles and the middle half falls between 50,000 and 95,126 miles; 23% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.