2007 Chevrolet Trailblazer problems & reliability
732 owner complaints filed with NHTSA for the 2007 Chevrolet Trailblazer, alongside 5 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
16 complaints report injuries (23 injured, 4 deaths reported).
Federal crash records (FARS 2020–2023): 2007 Chevrolet Trailblazer vehicles were involved in 74 fatal crashes with 44 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Fuel System, Gasoline | 215 | 29% |
| Electrical System | 200 | 27% |
| Exterior Lighting | 151 | 21% |
| Visibility | 64 | 9% |
| Fuel/propulsion System | 58 | 8% |
| Fuel System, Other | 43 | 6% |
| Air Bags | 27 | 4% |
| Steering | 23 | 3% |
| Engine | 22 | 3% |
| Visibility/wiper | 19 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 71,236 miles (middle 50% between 51,625 and 106,000 miles), based on 626 complaints that included mileage.
Complaints by incident year
What owners report
“Low tire presher lights stay on even when the tire presher is ok. Also I want to say the anti sliding feature says it is not working as well. I could be wrong about this feature but there si a button on the gear shift that controls this option. The button will not turn it on and off.”
Wheels · filed Oct 5, 2025
“The contact owns a 2007 Chevrolet Trailblazer. The contact stated while driving 55 MPH at nighttime, the low-beam headlights started flickering, and then became inoperable. The vehicle decelerated and veered to the side of the road. The contact engaged the high-beam headlights and continued driving. The contact stated…”
Exterior Lighting · filed May 13, 2024
“SERVICE AIRBAG light came on last week. Took vehicle to dealership to fix. Parts are discontinued so airbag cannot be fixed per Ferman Chevrolet dealership. Also told me that airbag will not work if in an accident.”
Air Bags · filed Sep 30, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Loss of Headlights
Recall Query RQ17002 · opened Apr 24, 2017 · closed Mar 29, 2021
- Driver's Master Power Window Switch
Engineering Analysis EA12004 · opened Jun 11, 2012 · closed Jun 21, 2013 · led to recall 13V248000
- Driver's Master Power Window Switch
Preliminary Evaluation PE12003 · opened Feb 9, 2012 · closed Jun 11, 2012
- Fuel Level Gauge System Failure
Defect Petition DP10001 · opened Jan 7, 2010 · closed May 23, 2011
Technical service bulletins
845 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2007 Chevrolet Trailblazer. The 10 most recent:
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may…
PIC5650M · Service Bulletin/Repair Instructions · issued Aug 7, 2025
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C · Service Bulletin/Repair Instructions · issued Jul 18, 2025
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.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
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.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
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.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
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 record a sound clip or…
PIP5358D · Service Bulletin/Repair Instructions · issued Feb 20, 2025
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 the latest test probe…
PIT5074Q · Service Bulletin/Repair Instructions · issued Dec 7, 2024
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, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
04-06-04-051J · Service Bulletin/Repair Instructions · issued Sep 27, 2024
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a…
08-07-30-026I · Service Bulletin/Repair Instructions · issued Sep 16, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2007 Chevrolet Trailblazer has 5 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2007 Chevrolet Trailblazer?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 71,236 miles — budget accordingly if the car is approaching that mileage.