2003 Chevrolet Trailblazer
2003 Chevrolet Trailblazer — 4.2L 6 Cyl, 4x4, See owners manual. Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV].
Safety & Recall Score: High Risk
This score reflects NHTSA safety data only — recalls, complaints, and crash ratings. It does not include title status, accident history, or odometer records. Verify hidden history with VIN Pro Plus →
Composite rating based on recalls, complaints, crash ratings, and vehicle age.
03V151000: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
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- Type: MULTIPURPOSE PASSENGER VEHICLE (MPV)
- Body: Sport Utility Vehicle [SUV]/Multipurpose Vehicle [MPV]
- Plant: MORAINE, OHIO, UNITED STATES (USA)
NHTSA Recalls
8 Open Recalls- ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY...
- ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER...
- CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT...
Owner Complaints
1266 filed with NHTSA- Transmission doesn’t have 3rd or 4th gear. Vehicle was...
- While driving my Trailblazer in A4WD on slippery road...
Fuel Economy
17 MPG Combined- City: 15 MPG
- Hwy: 21 MPG
- Combined: 17 MPG
- Fuel: Gasoline
Vehicle Overview
VIN Breakdown
Engine & Powertrain
Fuel Economy & Environmental Impact
Safety & Driver Assistance
Vehicle Dimensions & Weight
Towing & Utility
Wheels & Tires
Manufacturing & Identity
Recall & Safety Summary
✅ Pre-Purchase Checklist
Estimated Market Value
Based on vehicle age, class, trim & U.S. market conditions
Based on vehicle class, age, trim, and U.S. market trends. Verify with Kelley Blue Book or Edmunds for mileage-adjusted value.
📚 Helpful Vehicle Resources
EXTERIOR LIGHTING:BRAKE LIGHTS
ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.
Risk: AN INOPERATIVE BRAKE LAMP WILL NOT CONVEY THE DRIVER'S INTENTION OF STOPPING TO DRIVERS IN FOLLOWING VEHICLES, AND AN INOPERATIVE REAR TURN SIGNAL LAMP...
Remedy: DEALERS WILL INSPECT THE TAIL LAMP/STOP LAMP ASSEMBLIES, AND IF NECESSARY, REPLACE THEM. THE RECALL BEGAN ON NOVEMBER 22, 2004. OWNERS SHOULD CONTACT CHEVROLET...
EXTERIOR LIGHTING:TURN SIGNAL
ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO...
Risk: THE DRIVER MAY NOT BE ABLE TO CLEARLY SIGNAL THEIR INTENTIONS TO TURN, CHANGE TRAVEL LANES, OR POTENTIALLY WARN OTHERS OF AN IMPAIRED VEHICLE...
Remedy: DEALERS WILL REPLACE THE SUSPECT FLASHER MODULES WITH A NEW FLASHER MODULE DESIGNED WITH SEALED RELAYS AND MORE DURABLE CONTACT MATERIAL INSIDE OF THE...
VISIBILITY:WINDSHIELD WIPER/WASHER
CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT WILL NOT TURN ON, CEASE OPERATION WHILE IN USE, FAIL TO TURN OFF/ON BY THEMSELVES (MOISTURE SENSITIVE WIPER SYSTEM), OR HAVE CONTINUOUS WINDSHIELD WASHER PUMP OPERATION BECAUSE THE PRESENCE OF WATER...
Risk: DEPENDING ON THE OCCURRENCE AND WEATHER SITUATION, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD RESULT IN A CRASH.
Remedy: DEALERS WILL COVER THE WINDSHIELD WIPER MODULE VENT HOLE WITH A PATCH. ALSO, THE WIPER MOTOR, CIRCUIT BOARD, AND ELECTRICAL CONNECTOR WILL BE INSPECTED...
EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CERTAIN MINIVANS, PASSENGER AND SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEM." THE OWNER'S MANUAL DOES NOT EXPLAIN THE MEANING OF THE LOCATION SYMBOLS FOR THE CHILD...
Risk: THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.
Remedy: OWNERS WILL BE PROVIDED WITH A SUPPLEMENT FOR THEIR OWNER'S MANUAL. THIS SUPPLEMENT DESCRIBES AND SHOWS THE LOCATION SYMBOLS FOR THE CHILD RESTRAINT ANCHORS...
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
CERTAIN SPORT UTILITY VEHICLES WERE BUILT WITH A LEFT-FRONT BRAKE PIPE WITH A CIRCUMFERENTIAL SCORE AT A RANDOM LOCATION ALONG THE LENGTH OF THE PIPE AS THE RESULT OF THE MANUFACTURING PROCESS. IF THE BRAKE PIPE PARTIALLY OR FULLY FRACTURED,...
Risk: IF BRAKING PERFORMANCE IS REDUCED, A CRASH COULD OCCUR.
Remedy: DEALERS WILL REPLACE THE LEFT-FRONT BRAKE PIPE. OWNER NOTIFICATION BEGAN ON MAY 29, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON...
AIR BAGS:FRONTAL
CERTAIN PASSENGER, MINI VANS, AND SPORT UTILITY VEHICLES HAVE AN AIR BAG INFLATOR ON THE DRIVER'S SIDE THAT COULD FRACTURE AT A WELD DURING A DEPLOYMENT.
Risk: PIECES OF THE INFLATOR COULD STRIKE AND INJURE VEHICLE OCCUPANTS AND THE AIR BAG CUSHION WOULD NOT INFLATE FULLY, REDUCING THE CAPABILITY OF THE...
Remedy: DEALERS WILL INSPECT, AND REPLACE, IF NECESSARY, THE AIR BAG MODULE ASSEMBLY ON THE DRIVER'S SIDE. OWNER NOTIFICATION BEGAN AUGUST 15, 2002. OWNERS WHO...
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE
ON CERTAIN MINI VANS, PASSENGER AND SPORT UTILITY VEHICLES, SOME OF THESE VEHICLES HAVE A DRIVER'S SIDE AIR BAG THAT MAY NOT DEPLOY AS DESIGNED. IN ADDITION, THE AIR BAG INFLATOR COULD RUPTURE.
Risk: THIS COULD RESULT IN REDUCED CAPABILITY OF THE AIR BAG TO PROTECT THE DRIVER. ALSO IF THE AIR BAG INFLATOR RUPTURED, PIECES OF THE...
Remedy: DEALERS WILL INSPECT, AND IF NECESSARY, INSTALL A NEW DRIVER'S AIR BAG. OWNER NOTIFICATION BEGAN ON MARCH 11, 2003. OWNERS WHO TAKE THEIR VEHICLES...
POWER TRAIN:AUTOMATIC TRANSMISSION
CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 114, "THEFT PROTECTION." THESE VEHICLES ARE EQUIPPED WITH A MECHANICAL OVERRIDE THAT COULD ALLOW THE IGNITION KEY TO BE REMOVED WITH THE SHIFT...
Risk: THESE OVERRIDES ARE NOT PERMITTED UNLESS THE VEHICLE HAS A LOCKING STEERING COLUMN.
Remedy: DEALERS WILL ELIMINATE THESE CONDITIONS BY DISABLING THE OVERRIDES. OWNER NOTIFICATION BEGAN ON MAY 29, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED...
No bulletins found
No technical service bulletin records returned for this vehicle.
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Transmission doesn’t have 3rd or 4th gear. Vehicle was...
Transmission doesn’t have 3rd or 4th gear. Vehicle was smoking under hood. Found out after buying it it has flood damage. Mechanic said there was water in the...
While driving my Trailblazer in A4WD on slippery road...
While driving my Trailblazer in A4WD on slippery road conditions, I went to pulled out of a parking lot and there was a loud sound like my whole...
WIRE HARNESS COATING FALLING APART ALMOST CAUGHT MY TRUCK...
WIRE HARNESS COATING FALLING APART ALMOST CAUGHT MY TRUCK ON FIRE GOT PICTURES AND IT TRIGGERS THE BRAKE LIGHT TO STAY ON
SEE ATTACHED COMPLAINT TO GENERAL MOTORS. I HAVE ADDITIONAL...
SEE ATTACHED COMPLAINT TO GENERAL MOTORS. I HAVE ADDITIONAL DOCUMENTS WHERE OTHERS HAVE HAD THE SAME PROBLEMS WITH THERE SIMILAR YEAR TRAILBLAZERS.
IT'S LEAKING GAS FROM LINES ON TOP OF GAS...
IT'S LEAKING GAS FROM LINES ON TOP OF GAS TANK MECHANIC CHECK IT OUT I JUST CAN'T AFFORD IT I'M DISABLED ON FIXED INCOME RAISING MY GRANDSON
IN 2018 WE WERE HAVING A FUEL PRESSURE ISSUE...
IN 2018 WE WERE HAVING A FUEL PRESSURE ISSUE AND DISCOVERED THAT THE ICV HAD CRACKED AROUND THE GAS TANK. WHEN I RESEARCHED THE ISSUE I FOUND THERE...
MY DRIVER SEAT CAUGHT FIRE WENT TO OPEN THE...
MY DRIVER SEAT CAUGHT FIRE WENT TO OPEN THE DOOR TO FIND A HOLE IN MY DRIVER SEAT AND THE ROOF TOP BURNT AS WELL. I ALSO HAD...
FRAME FAILED DRIVER'S SIDE REAR. CAUSING UNSAFE DRIVE CONDITION....
FRAME FAILED DRIVER'S SIDE REAR. CAUSING UNSAFE DRIVE CONDITION. FORWARD TO REVERSE GRINDING CAUSED BY SEPARATION OF FRAME.
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Estimated depreciation for this 2003 CHEVROLET Trailblazer based on vehicle class and age. Verify with KBB or Edmunds for mileage-adjusted value.
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Chevrolet trucks rank well; some car-based models and early EV platforms have had more issues. Strong dealer network.
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Recommended rotation interval: every 5,000–7,500 miles. Rotate with every other oil change for best results.
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