2007 Chevrolet Trailblazer problems, complaints & recalls
Most-reported problem areas: Fuel System, Gasoline (200) · Exterior Lighting (129) · Electrical System (74)
🧭 Reliability snapshot
Compared against other Chevrolet Trailblazer model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
628 NHTSA complaints that reported an odometer reading.
Safety recalls (5)
Visibility:power Window Devices And Controls 2015-09-24 · campaign 15V599000 · 9,932 vehicles
Defect: General Motors LLC (GM) is recalling certain model year 2006-2007 Buick Rainier, Chevrolet Trailblazer and GMC Envoy vehicles, and 2006 GMC Envoy XL and Chevrolet Trailblazer EXT vehicles. Fluid may enter into the driver's door master power window switch module, causing corrosion that could result in a short in the circuit board, causing window switches to become inoperative. Previously, the affected vehicles may have had their master power window switch module treated with a protective coatin
Risk: The protective coating may not eliminate the risk that the circuit board could short and result in a fire, even while the vehicle is unattended.
Fix: GM will notify owners, and dealers will install a new driver's door switch module, free of charge. The recall began on November 2, 2015. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, and GMC customer service at 1-800-462-8782. GM's number for this recall is 15700.
Exterior Lighting:headlights 2015-08-14 · campaign 15V519000 · 429,170 vehicles
Defect: General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles. In the affected vehicles, the headlamp driver module (HDM) may overheat and fail, causing the headlamps and daytime running lights to not illuminate.
Risk: Headlamps that do not illuminate reduce the driver's ability to see the roadway and reduce the vehicle's visibility to oncoming vehicles, both of which increase the risk of a vehicle crash.
Fix: GM will notify owners, and dealers will replace the HDM, free of charge. The recall began on May 17, 2016. Owners may contact Buick customer service at 1-800-521-7300 or Pontiac customer service at 1-800-762-2737. GM's number for this recall is 14291.
Visibility:power Window Devices And Controls 2014-07-02 · campaign 14V404000 · 184,611 vehicles
Defect: General Motors LLC (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door master power window switch module, causing corrosion that could result in a short in the circuit board. A short may cause the power door lock and power window switches to function intermittently or become inoperative. The short may also cause ove
Risk: A short in the circuit board could lead to a fire, increasing the risk of personal injury. A fire could occur even while the vehicle is not in use. As a precaution, owners are advised to park outside until the remedy has been made.
Fix: GM will notify owners, and dealers will inspect the part number on the door module, and install a new door module if necessary, free of charge. Parts for the remedy are not currently available. An interim letter was mailed to owners in August 2014. A second owner letter will be mailed when parts are available. Owners may contact GM customer service at 1-800-521-7300 (Buick), 1-800-222-1020 (Chevrolet), 1-800-462-8782 (GMC), 1-800-955-9007 (SAAB), and 1-800-255-6727 (Isuzu). GM's number for t
Visibility:power Window Devices And Controls 2013-06-13 · campaign 13V248000 · 193,652 vehicles
Defect: General Motors (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door module, causing corrosion that could result in a short in the circuit board. A short may cause the power door lock and power window switches to function intermittently or become inoperative. The short may also cause overheating, which could melt comp
Risk: A short in the circuit board could lead to a fire, increasing the risk of personal injury. A fire could occur even while the vehicle is not in use. As a precaution, owners are advised to park outside until the remedy has been made.
Fix: Owners will be contacted and dealers will test the driver's door module. If the module is functioning properly, a protective coating will be applied. If the module is not functioning properly, it will be replaced. These repairs will be done free of charge. GM will notify Buick, Chevrolet, and GMC owners, Isuzu and Saab will contact their respective owners. The recall began on August 2, 2013. Buick owners may contact the owner center at 1-800-521-7300, Chevrolet owners at 1-866-694-6546, GMC
Visibility:power Window Devices And Controls 2012-08-16 · campaign 12V406000 · 278,174 vehicles
Defect: General Motors (GM) is recalling certain model year 2006 Chevrolet Trailblazer EXT and GMC Envoy XL and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, SAAB 9-7x, and Isuzu Ascender vehicles, originally sold or currently registered in Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin, and the District of Columbia. Fluid m
Risk: A short in the circuit board could lead to a fire, increasing the risk of personal injury. A fire could occur even while the vehicle is not in use. As a precaution, owners are advised to park outside until the remedy has been made.
Fix: Parts for this recall are expected to available in March 2013. GM will notify Buick, Chevrolet, and GMC owners when parts are available. Buick owners may contact the owner center at 1-800-521-7300, Chevrolet owners at 1-866-694-6546, and GMC owners at 1-866-996-9463. Isuzu owners will be notified by Isuzu Motors when parts are available. Owners may contact Isuzu customer service at 1-800-255-6727. SAAB owners will be notified by SAAB Cars North America when parts are available and for inquir
Service bulletins (845)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2025-08-07 · PIC5650M · Service Bulletin/Repair Instructions
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 find diagnostic trouble codes b3055, b3060, b3935, c0750, c0755, c0760, c0765, and/o
Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions
this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
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.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
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.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
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.
Unknown Or Other 2025-02-20 · PIP5358D · Service Bulletin/Repair Instructions
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 take a video of the noise for assessment by engineering. technician will need to
Showing the 6 most recent of 845 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-10-05 · Wheels“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.…”
2024-05-13 · Exterior Lighting · 133,000 mi“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 that he replaced the low-beam …”
2023-09-30 · Air Bags“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.…”
2023-07-24 · Visibility · 214,000 mi“the contact owns a 2007 chevrolet trailblazer. the contact stated that the driver's side power master window switch had failed and failed to roll up the windows. there was no warning light illuminated. the contact stated that the failure had caused a significant amount of water to leak into the vehicle. the vehicle was taken to the dealer, where it…”
2023-06-10 · Exterior Lighting“keeps blowing #46 headlight relay. happens every 2-3 weeks. when this happens the low beams stop working. i have to switch to high beams to continue driving.…”
2023-04-14 · Service Brakes“i've had the brakes replaced because i thought they were an issue i was having with my abs. but my car will randomly lock its brakes as i'm driving, no matter what speed. i'm scared to drive it. it also almost loses all power after breaking but then speeds up on its own making it almost impossible to slow down or brake. …”
2022-08-27 · Unknown Or Other“my doors have had water seeping in them the whole time and i’ve replaced my speakers multiple times. …”
2022-07-26 · Exterior Lighting:headlights · 200,200 mi“the contact owns a 2007 chevrolet trailblazer. the contact stated that while driving at various speeds, the headlights became inoperable without warning. the contact stated that the failure had occurred several times. the contact replaced the headlight bulbs three times, the fuse, and the switch. the failure persisted. the contact had spoken with t…”
2022-07-26 · Suspension · 96,000 mi“the contact owns a 2007 chevrolet trailblazer. the contact stated that the front subframe of the vehicle was corroded with perforated rust holes. the vehicle was taken to the dealer who informed the contact that they did not provide frame repair. the vehicle was taken to several mechanics who diagnosed that the subframe needed to be replaced. the v…”
2022-01-03 · Vehicle Speed Control“speedometer and rms needles do not function.…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.