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2006 Chevrolet Trailblazer Recalls, Issues & Maintenance

The 2006 Chevrolet Trailblazer has no open NHTSA recalls. Owners report 6 recurring issue clusters, led by “Low-beam headlight failure while driving (HDM module).” Chevrolet vehicles use the GM Oil Life System (OLS) — a percentage-based monitor that calculates oil life from driving conditions, not fixed mileage. When the OLS drops to 0%, oil and filter are due. The schedule below reflects GM's Normal Use intervals for everything else.

No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues for this vehicle

What drivers and federal regulators have officially reported about the 2006 Chevrolet Trailblazer.

Reported to NHTSA

Low-beam headlight failure while driving (HDM module)

EXTERIOR LIGHTING

75 NHTSA complaints · 2015-08 → 2023-09

“WHILE DRIVING APPROXIMATELY 55 MPH, THE LOW BEAM HEADLIGHTS STOPPED WORKING. THE CONTACT HAD TO MANEUVER TO THE SIDE OF THE ROAD TO A COMPLETE STOP. THE HEADLIGHTS ILLUMINATED AGAIN AFTER APPROXIMATELY FOUR MINUTES”
— Owner report, NHTSA ODI #10925304
“WHILE DRIVING APPROXIMATELY 70 MPH, THE LOW BEAM HEADLIGHTS WENT OUT. THE CONTACT CONTINUED DRIVING WITH THE HIGH BEAM HEADLIGHTS ILLUMINATED. THE VEHICLE WAS DRIVEN TO VAN CHEVROLET (8585 E FRANK LLOYD WRIGHT BLVD, SCOTTSDALE, AZ 85260) WHERE IT WAS DIAGNOSED THAT THE”
— Owner report, NHTSA ODI #11151474
“HEADLIGHT AND DAYTIME RUNNING LAMPS GO OUT COMPLETELY. IT CAN HAPPEN AT ANY TIME WHETER IT IS STATIONARY OR WHILE DRIVING. WHEN DRIVING AT NIGHT HEADLIGHT LAMPS GO OUT COMPLETELY MAKING IT UNSAFE”
— Owner report, NHTSA ODI #11048529

Read all complaints on NHTSA →

Windshield wiper and washer fluid self-activation

VISIBILITY/WIPER

23 NHTSA complaints · 2015-07 → 2019-07

“THE FRONT WINDOW WIPERS AND WINDOW WASHER OF MY 2006 TRAILBLAZER STARTED TURNING ON AUTOMATICALLY (WHEN I START THE 2006 CHEVROLET TRAILBLAZER, THE WIPERS AND WASHER FLUID START AND WILL NOT STOP UNTIL THE TRAILBLAZER IS TURNED OFF). I CAN NOT”
— Owner report, NHTSA ODI #11012550
“WIPERS AND WASHER FLUID WOULD START OPERATING ON THEIR OWN COULD NOT MAKE THEM STOP ON TWO SEPARATE OCCASIONS WASHER FLUID ONLY WOULD SPRAY WITHOUT WIPERS WORKING THIS IMPAIRED MY VISIBILITY OF THE ROAD AND SURROUNDING TRAFFIC”
— Owner report, NHTSA ODI #10980564
“WHEN THE WINDSHIELD WIPERS WERE ACTIVATED, THEY SPRAYED FLUID THAT MADE VISIBILITY IMPOSSIBLE. THE CONTACT STATED THAT THE WINDSHIELD WIPERS INDEPENDENTLY TURNED ON PERSISTENTLY”
— Owner report, NHTSA ODI #10898170

Read all complaints on NHTSA →

Fuel gauge sensor erratic or inaccurate readings

FUEL/PROPULSION SYSTEM

15 NHTSA complaints · 2015-08 → 2019-11

“THE FUEL GAUGE DOESN'T WORK. CAN'T TELL IF THE CAR IS FULL OR EMPTY”
— Owner report, NHTSA ODI #11072821
“THE GAS GAUGE SENOR QUIT WORKING IT IS STUCK ON EMPTY. THE MILEAGE IS 116,014 THERE HAVE BEEN OTHER'S THAT HAS REPORTED THIS PROBLEM”
— Owner report, NHTSA ODI #10870136
“I FILLED UP MY TANK YESTERDAY. ONE HOUR LATER, STARTED THE CAR AND THE FUEL GUAGE READ ZERO, WITH LOW FUEL INDICATOR ON. NOW IT'S INTERMITTENT, NEVER GOING ABOVE 3/4 FULL”
— Owner report, NHTSA ODI #10775975

Read all complaints on NHTSA →

Loss of acceleration or transmission failure while driving

POWER TRAIN

6 NHTSA complaints · 2015-08 → 2026-09

“MY WIFE WAS DRIVING OUR 2006 CHEVY TRAILBLAZER, AND WITHOUT ANY NOTICE WHILE IN DRIVE IT STOP ACCELERATING. ALL THE GEARS WERE AFFECTED (D,R,1,2,3 ) WE TURNED OFF THE VEHICLE, TURNED IT BACK ON AND THE VEHICLE DROVE FOR A FEW MILES”
— Owner report, NHTSA ODI #10822900
“DRIVING ALONG AT 30 MPH AND STEPPED ON GAS TO SPEED UP TO 45 MPH WHICH WAS THE NEW SPEED LIMIT, WHEN TRIED TO ACCELERATE I HAD NOTHING. IT WAS LIKE THE TRANSMISSION WAS IN NEUTRAL. I HAVE NO R/D/D3/D2/D1, NOT EVEN IN 4WD”
— Owner report, NHTSA ODI #10748952
“TRANSMISSION SLIPPING AND SELINOIDS”
— Owner report, NHTSA ODI #11096393

Read all complaints on NHTSA →

Power steering failure or fluid leak while driving

STEERING

10 NHTSA complaints · 2015-08 → 2022-08

“The contact stated while driving approximately 35 MPH, the vehicle lost power steering and braking functionality. There were no warning lights illuminated. The vehicle was towed to the residence”
— Owner report, NHTSA ODI #11481975
“WHILE DRIVING 30 MPH, THE POWER STEERING FAILED WITHOUT WARNING AND THE VEHICLE BECAME DIFFICULT TO STEER. THE CONTACT NOTICED POWER STEERING FLUID UNDER THE FRONT OF THE VEHICLE”
— Owner report, NHTSA ODI #10863178
“WHILE DRIVING APPROXIMATELY 30 MPH, THE POWER STEERING SEIZED WITHOUT WARNING. THE FAILURE RECURRED NUMEROUS TIMES”
— Owner report, NHTSA ODI #10811643

Read all complaints on NHTSA →

Airbag failure to deploy or unexpected deployment

AIR BAGS

10 NHTSA complaints · 2016-02 → 2022-04

“In a very severe head on crash 4/8/2022 the air bag did not deploy”
— Owner report, NHTSA ODI #11460322
“I WAS IN A CRASH AND NEITHER FRONT AIRBAG DEPLOYED, MY INSURANCE ADJUSTER QUESTIONED IF THE AIR BAG SYSTEM EVEN WORKS. I HAVE COPY OF THE ESTIMATE TO REPAIR AS WELL”
— Owner report, NHTSA ODI #10966507
“WHILE DRIVING APPROXIMATELY 5 MPH, THE REAR SEAT AIR BAGS DEPLOYED WITHOUT WARNING OR IMPACT. THE CONTACT TOOK THE VEHICLE TO BE INSPECTED BY THE INSURANCE COMPANY. THE VEHICLE WAS DEEMED DESTROYED”
— Owner report, NHTSA ODI #10837232

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 17, 2026. Investigation data refreshed Sep 17, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter (per Oil Life System)

Every 7,500 mi

Change oil when the Oil Life System reaches 0% or every 12 months — whichever comes first. dexos1-approved synthetic oil required on all gas engines since 2011.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 7,500 mi

Rotate tires every 7,500 miles. Silverado 4x4 and Tahoe owners benefit from earlier rotations to even out drivetrain wear.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 7,500 mi

Inspect brake pads, rotors, and parking brake at each tire rotation. Equinox and Malibu front pads typically last 40,000-50,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 45,000 mi

GM specifies brake fluid replacement based on contamination testing. Test every 30,000 miles; replace if moisture content exceeds 3% or fluid appears dark.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Engine Air Filter

Every 45,000 mi

GM long-life cellulose air filters are rated 45,000 miles. Direct-injection engines are sensitive to airflow restriction; inspect at every oil change.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Automatic Transmission Fluid

Every 45,000 mi

Severe service (heavy towing, frequent stop-and-go, dusty conditions): replace every 45,000 miles. Normal service: 97,500 miles. Use Dexron-VI on 6L80/8L90 transmissions.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Transfer Case Fluid (4WD)

Every 45,000 mi

Silverado 4WD and Tahoe 4WD: replace transfer case fluid every 45,000 miles, sooner if towing or off-roading. Use GM Auto-Trak II fluid.

Estimated cost — typical U.S. ranges

Dealer

~$105–$140

Shop

~$75–$100

DIY

~$15–$40

AWD/4WD vehicles only. Easy drain-and-fill on most platforms.

Spark Plugs

Every 100,000 mi

GM iridium spark plugs are rated 100,000 miles on most LS and LT engines. The 5.3L V8 in Silverado 1500 commonly fouls plugs early under heavy idling.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Dex-Cool Engine Coolant

Every 50,000 mi

GM Dex-Cool (orange): first change at 150,000 miles or 5 years, then every 50,000 miles. Mixing with green coolant creates a sludge that destroys the cooling system.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Rear Differential Fluid

Every 50,000 mi

Silverado and Tahoe: replace rear axle fluid every 50,000 miles, or 25,000 miles if towing. Limited-slip differentials require GM friction-modifier additive.

Estimated cost — typical U.S. ranges

Dealer

~$150–$195

Shop

~$105–$135

DIY

~$20–$50

Drain plug + fill plug — straightforward DIY. AWD vehicles have two; budget for both.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter

Every 22,500 mi

Replace the cabin air filter every 22,500 miles. Silverado and Tahoe owners in dusty climates should replace earlier.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

226 crashes 2010–2024

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

31

complaints mentioning a crash

64

complaints mentioning a fire

Reviewed known issues for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2006 Chevrolet Trailblazer reflects Chevrolet's published service intervals and the Oil Life System system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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