2007 Chevrolet Trailblazer Electrical system Problems
- Complaints
- 200about this part
- Share
- 27%of 732 total for the year
- Median mileage
- 77,000miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 200 complaints about the electrical system of the 2007 Chevrolet Trailblazer, 27% of the 732 complaints for this model year. Where a mileage was given, the median is 77,000 miles. 3 of these say a crash was involved and 39 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Takata recall I was involved in an accident that did over $9,000 damage to my front end of vehicle. The airbags did not inflate. This was on a city street, and both vehicles were moving. Also had a power window motor go out. I understand that this might be involved in a recall of window motors that could be causing fires.”
NHTSA complaint #10938999, filed 2017-01, 95,000 miles“Every couple months the alternator goes out I am almost to the limit on my warranty returns.the first time it went out it wasn't charging then several times after that it went out was over charging and in doing so damaged my battery so I had to pay to replace it also. I have had nothing but problems with this car and is becoming a money pit.”
NHTSA complaint #10706226, filed 2015-04, 101,000 miles“About 3 weeks ago I lost power and all dash lights were flashing. Pulled to side and restarted without problem. Yesterday, I had SUV in for new tires and when they went to back out of the bay smoke came from the steering column. When they tried again, the ignition switch is dead, no dashboard lights. Disconnected battery to prevent a fire and am towing to Chevrolet dealer.”
NHTSA complaint #10837406, filed 2016-02, 106,000 miles“My 2007 Chevrolet Trailblazer had low beam headlights not working when I turn them on. I have to drive at night with high beam lights (they work fine) and I am very annoying to other drivers. I had vehicle checked out and fuses and light bulbs appear fine. I understand this is a common occurrence. I need it fixed.”
NHTSA complaint #10775352, filed 2015-09, 95,000 miles“Drivers door module malfunctions, windows can go down but can not control up on rear window. I was told by GM and dealer that it is not covered by recall NHTSA #12v406000 or #13v248000, GM #12180. I was never notified of this recall even though the Trailblazer was originally purchased when I lived in indiana and NHTSA 12v406000 covers this. They want me to pay for the repair.”
NHTSA complaint #10573819, filed 2014-03, 64,000 milesRelated service bulletins
- 11009156Oct 25, 2024This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester…
- 11007196Sep 6, 2024This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the…
- 11006621Aug 26, 2024Vehicle 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…
- 11007116Aug 6, 2024This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11002312Jun 6, 2024This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11000162Apr 30, 2024The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 10252735Mar 28, 2024This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
- 10249535Jan 8, 2024This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or…
- 10244214Sep 21, 2023This informational bulletin provides information for the IPC odometer programming method quick reference guide.
- 10240359Jul 31, 2023This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 4 | 33% |
| 2025 | 14 | 54% |
| 2024 | 11 | 31% |
| 2023 | 17 | 23% |
| 2022 | 31 | 28% |
| 2021 | 41 | 21% |
| 2009 | 9 | 33% |
| 2008 | 65 | 34% |
| 2007 | 200 | 27% |
| 2006 | 251 | 23% |
| 2005 | 617 | 42% |
| 2004 | 627 | 58% |
| 2003 | 285 | 32% |
| 2002 | 181 | 16% |
| 2001 | 2 | 10% |
| 2000 | 1 | 4% |
Other parts of the 2007 Chevrolet Trailblazer
311 complaintsExterior lighting
151 complaintsVisibility (wipers, defrost, mirrors)
82 complaintsAir bags
27 complaintsSteering
23 complaintsEngine
22 complaintsElectronic stability control
17 complaintsOther or unknown
16 complaintsTransmission and drivetrain
15 complaintsBrakes
12 complaintsEngine cooling
12 complaintsBody and structure
11 complaints
← All problems reported for the 2007 Chevrolet Trailblazer
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.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology