2006 Chevrolet Trailblazer EXT 370 Problems
- Complaints
- 16filed with NHTSA
- Median mileage
- 105,000miles, 14 complaints with mileage
- Recalls
- 0campaigns on record
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
Sources: NHTSA records for the 2006 Chevrolet Trailblazer EXT 370 (complaints, recalls, investigations). Report an error
NHTSA recorded 16 consumer complaints for the 2006 Chevrolet Trailblazer EXT 370. The part named most often is electrical system, with 5 complaints (31% of the total), followed by exterior lighting (4) and fuel system (3). 14 of the complaints include a mileage, and 21% of those were filed for vehicles with under 50,000 miles; the median is 105,000 miles. Of all complaints, 2 a fire, according to the filers. NHTSA lists 0 recall campaigns and 129 technical service bulletins for this model year. Electrical system complaints overlap with 24 technical service bulletins filed under the same part. Exterior lighting complaints overlap with 3 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
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 system5 31%
- Exterior lighting4 25%
- Fuel system3 19%
- Engine2 13%
- Engine cooling1 6.3%
- Body and structure1 6.3%
- Suspension1 6.3%
Example complaints
Electrical system: “I was driving on the and right in the middle of traffic and the car just shut off . I try to restart and it start up when I try to proceed it shut off and would not start back up at all.”
NHTSA complaint #10969532, filed 2017-03, 35 milesExterior lighting: “While driving on a smooth hi-way (no vibrations) the low beam headlights went off. I switched to hi beams and pulled off the road at first opportunity. When I switched back to low beams and they worked perfectly. This has happened 4 times in the 11 years of ownership, twice in one week. Could never induce the problem.”
NHTSA complaint #10981630, filed 2017-05, 120,000 milesFuel system: “Checking fuel indicator started to be stuck on below empty causing me to run out of gas on a few occasions. And from my understanding this has been a flaw in GM trucks for sometime now. And the cost for the repair is over $500.00. These vehicles cost too much money to have these types of problems and the dealer not think it is there responsibility to correct.”
NHTSA complaint #10325022, filed 2010-04, 47,000 milesElectronic stability control: “The headlights while driving will cut off. I have tried replacing headlights with no success. I saw an article about a recall on my car pertaining to headlights. When the article states you guys where told in an email, I don't see that recall on your page. Please contact me with information to fix this problem. Also, my stability control is not working. The light keeps coming on.”
NHTSA complaint #10676455, filed 2015-01, 100,000 milesMileage when problems were reported
21% of the 14 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 50,000 and 125,000 miles.
Complaints by year filed
Trend: stable. Complaints filed in the last 3 full calendar years are within 25% of the 3 years before.
Recalls and investigations
NHTSA lists no recall campaigns for the 2006 Chevrolet Trailblazer EXT 370 in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.
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. 129 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.
- 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).
- 11007208Sep 6, 2024Other or unknown. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires…
- 11006621Aug 26, 2024Electrical system. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need…
- 11007091Aug 5, 2024Engine. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- 11006421Jul 24, 2024Transmission and drivetrain. GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging…
- 11004761Jun 28, 2024Fuel system, Engine. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with…
Other model years of the Chevrolet Trailblazer EXT 370
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2006 | 16 | 105,000 | 0 | — | — | — | Stable |
| 2005 | 237 | 70,000 | 0 | — | — | Not compared (before 2008) | Stable |
| 2004 | 15 | 96,250 | 0 | — | — | — | Stable |
| 2003 | 14 | 140,000 | 0 | — | — | — | Not enough data |
| 2002 | 6 | 120,000 | 0 | — | — | — | Not enough data |
All Chevrolet Trailblazer EXT 370 model years
Frequently asked questions
How many NHTSA complaints does the 2006 Chevrolet Trailblazer EXT 370 have?
NHTSA recorded 16 consumer complaints for the 2006 Chevrolet Trailblazer EXT 370 as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2006 Chevrolet Trailblazer EXT 370 is reported most often?
Electrical system is named most often, in 5 complaints (31% of the total), followed by exterior lighting with 4.
Has the 2006 Chevrolet Trailblazer EXT 370 been recalled?
NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
At what mileage are problems with the 2006 Chevrolet Trailblazer EXT 370 reported?
Among the 14 complaints that include a mileage, the median is 105,000 miles and the middle half falls between 50,000 and 125,000 miles; 21% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
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.