2003 Chevrolet TRAILBLAZER problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
901 owner complaints analyzed
8 distinct recall campaigns
75,000 mi median reported failure mileage
Scope: 2003 model year. Data snapshot: . 701 complaints include usable failure mileage.
Most common problems
Electrical System is the most frequently named component, appearing in 170 of 901 complaints (18.9%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Fuel system concerns | 129 | 14.3% |
| Braking behavior | 96 | 10.7% |
| Transmission and shifting | 70 | 7.8% |
| Electrical and battery issues | 66 | 7.3% |
| Steering behavior | 32 | 3.6% |
| Engine operation | 25 | 2.8% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 170 |
| Electrical System: Instrument Cluster/Panel | 82 |
| Fuel System, Gasoline | 56 |
| Fuel/Propulsion System | 55 |
| Air Bags | 45 |
| Power Train:Automatic Transmission | 38 |
| Exterior Lighting | 36 |
| Power Train | 34 |
Electrical System: 170; Electrical System: Instrument Cluster/Panel: 82; Fuel System, Gasoline: 56; Fuel/Propulsion System: 55; Air Bags: 45; Power Train:Automatic Transmission: 38; Exterior Lighting: 36; Power Train: 34
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 115 |
| 25,000 to 49,999 | 94 |
| 50,000 to 74,999 | 137 |
| 75,000 to 99,999 | 128 |
| 100,000 to 149,999 | 142 |
| 150,000 and above | 85 |
Under 25,000: 115; 25,000 to 49,999: 94; 50,000 to 74,999: 137; 75,000 to 99,999: 128; 100,000 to 149,999: 142; 150,000 and above: 85
100,000 to 149,999 miles has the most reports with usable mileage (142). 200 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2002 | 6 |
| 2003 | 79 |
| 2004 | 83 |
| 2005 | 47 |
| 2006 | 57 |
| 2007 | 70 |
| 2008 | 72 |
| 2009 | 80 |
| 2010 | 93 |
| 2011 | 77 |
| 2012 | 36 |
| 2013 | 17 |
| 2014 | 66 |
| 2015 | 40 |
| 2016 | 32 |
| 2017 | 19 |
| 2018 | 10 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
2002: 6; 2003: 79; 2004: 83; 2005: 47; 2006: 57; 2007: 70; 2008: 72; 2009: 80; 2010: 93; 2011: 77; 2012: 36; 2013: 17; 2014: 66; 2015: 40; 2016: 32; 2017: 19; 2018: 10; 2019: 7; 2020: 6; 2021: 2; 2022: 1; 2023: 1
Pattern summary
Electrical System leads the component reports. Fuel system concerns appears in 129 complaint narratives. Braking behavior appears in 96 complaint narratives. Transmission and shifting appears in 70 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10023455 · 2003-06-20 (June 20, 2003)
WHEN FILLING THE FUEL TANK ON 2003 TRAILBLAZERS WITH FUEL PUMP EQUIPPED WITH "ACCORDION" NECK SLEEVES, FUEL HAS THE POSSIBILITY OF BACK FLUSHING OUT THE TOP OF THE TANK NECK. I EXPERIENCE THIS ON MULTIPLE GAS STATIONS HERE IN CALIFORNIA WITH MULTIPLE 2003 TRAILBLAZERS. ABOUT 1 CUP OF GASOLINE FLOWS OVER THE INTAKE AND ON TO THE CAR AND GROUND CAUSING A SERIOUS HAZARD. THE BACK FLOW SPILL DOES NOT SEEM TO OCCUR ON EVERY TYPE OF FUEL PUMP, BUT ONLY ON THOSE EQUIPPED WITH CERTAIN SLEEVES OVER THE NOZZLE. OTHER TRAILBLAZER OWNERS I HAVE TALKED …
Owner-reported narrative. 205 miles reported. Look up ODI 10023455 at NHTSA ↗
Owner report 10029266 · 2003-07-26 (July 26, 2003)
WHILE FUELING VERHICLE, FUEL ALWAYS SPILLS OVER JUST BEFORE OR AFTER AUTO-SHUTOFF OF GAS PUMP. THIS HAPPENS EVEN THOUGH I'M CAREFUL THAT IT'S COMING CLOSE TO A FULL TANK AND PREPARE FOR THE SPILLAGE. TODAY IT HAPPENED AT A PUMP WHERE THE FUEL PUMP NOZZLE WAS OF A NON-ACCORDIAN TYPE BOOT. I'VE SPOKEN WITH OTHERS WHO HAVE THE SAME PROBLEM AND DEALERS ARE TELLING THEM TO BE MORE CAREFUL WHEN RE-FUELING. WHAT WILL IT TAKE GM TO ADMIT THERE'S A DESIGN FLAW IN THE FUEL DELIVERY SYSTEM? THIS IS ONLY ONE OF MANY ISSUES WITH THE TRAILBLAZER. YOU'D T…
Owner-reported narrative. 6,105 miles reported. Look up ODI 10029266 at NHTSA ↗
Owner report 10014796 · 2003-03-31 (March 31, 2003)
THE ABS LIGHT ILLUMINATED. *JB
Owner-reported narrative. 700 miles reported. Look up ODI 10014796 at NHTSA ↗
Owner report 10019295 · 2003-05-26 (May 26, 2003)
2003 CHEVROLET TRAIL BLAZER 2WD 4 SPD AUTOMATIC TRANSMISSION EXPERIENCE ROLL BACK WHILE ON INCLINE AFTER VEHICLE HAS REACHED NORMAL OPERATING CONDITIONS. WHILE ON INCLINE IN THE PROCESS OF REMOVING FOOT FROM BRAKE TO ACCELERATE VEHICLE WILL ROLL BACK! CONTACTED DEALER AND THEY SAID IT WAS NORMAL FOR THAT VEHICLE? *NLM
Owner-reported narrative. 100 miles reported. Look up ODI 10019295 at NHTSA ↗
Owner report 10005172 · 2003-02-03 (February 3, 2003)
TRANSMISSION LOCKS UP, 4 WD LIGHTS MOVE ON ITS OWN, THIS HAS HAPPENED 4 TIMES SINCE I HAVE OWNED THIS CAR, I REQUESTED THAT I DO NOT WANT THIS CAR BACK, BUT THEY INSIST THEY FIXED THE PROBLEM, NOW WITH MY CHILDREN 2 AND 16 YEARS IN THE CAR THE 4WD LIGHT WAS MALFUNCTIONING AND THE CAR LOCKED UP AND WE SKID DOWN THE STREET. I DONOT WANT THIS CAR BACK, I FEEL IT WILL KILL ONE OR ALL OF US WITH THIS LOCK UP OF TRANSMISSION AND THE CAR WON'T MOVE THANK GOD IT HAS NOT HAPPENED ON THE FREWAY I FEEL WE WOULD BE DEAD. THE CARS A LEMO0N AND I AM NOT WAIT…
Owner-reported narrative. Look up ODI 10005172 at NHTSA ↗
Owner report 10017426 · 2003-04-23 (April 23, 2003)
THE CENTER CONSOLE LOCATED BETWEEN THE DRIVER AND PASSENGER SEATS DOES NOT FIT CORRECTLY. THE TRAY ALLOWS OBJECTS TO FALL DOWN NEAR THE TRANSMISSION. THE OBJECTS CAN ONLY BE REMOVED IF THE CONSOLE IS TAKEN OUT BY THE DEALER. THE CONSUMER FEELS THIS IS A POOR DESIGN. *NLM *TS
Owner-reported narrative. 75 miles reported. Look up ODI 10017426 at NHTSA ↗
Owner report 10026653 · 2003-07-28 (July 28, 2003)
THE VEHICLE EXPERIENCED AN ELECTRICAL SYSTEM FAILURE. WHICH RESULTED IN THE GAS LIGHT COMING ON, THEN THE VEHICLE DYING OUT. *AK GAS MILEAGE SHOWED LESS THAN IT SHOULD HAD BEEN. THE SECURITY SYSTEM LIGHT FAILED.*TS. THE CHECK ENGINE LIGHT ILLUMINATED ON NUMEROUS OCCASIONS. *JB
Owner-reported narrative. 5,000 miles reported. Look up ODI 10026653 at NHTSA ↗
Owner report 10031776 · 2003-09-15 (September 15, 2003)
ON 7/26/2003, THE OWNER HEARD THE MOTOR RUNNING WHILE THE VEHICLE WAS OFF. THE OWNER DISCONNECTED THE BATTERY TO STOP THE MOTOR FROM RUNNING. THIS CAUSED THE OWNER TO MANUALLY LOCK THE DOORS BUT THE HATCH WOULD NOT LOCK MANUALLY. ON 7/31/2003, THE VEHICLE WAS TAKEN TO THE DEALER WHO FOUND A SHORT IN A WIRE UNDER THE HOOD AND CORRECTED THE PROBLEM. PLEASE PROVIDE DETAILS. *PH CONSUMER STATED THERE IS NO WAY TO OPEN THE REAR HATCH IF THERE IS AN ELECTRICAL FAILURE. THERE IS NO MECHANICAL DEVICE TO LOCK OR UNLOCK THE HATCH DOOR. THIS COU…
Owner-reported narrative. 8,500 miles reported. Look up ODI 10031776 at NHTSA ↗
Owner report 10021414 · 2003-06-11 (June 11, 2003)
THE CAR CONSTANTLY WANDERS (ESPECIALLY AT HIGH SPEEDS) CAUSING ME TO CONTINUALLY CORRECT THE CAR TO STAY WITHIN THE LINES OF THE ROAD. I TOOK THE CAR TO THE DEALER 2XS AND THE PERFORMED 2 WHEEL ALIGNMENTS. THIS IS NOT THE ISSUE AS IT STARTED WHEN I BOUGHT THE CAR LAST NOV 2002 AND CONTINUES EVERY DAY. THIS CAR IS VERY UNSAFE TO DRIVE DUE TO THIS WANDERING ISSUE. THE DEALER STATED THE STEERING IS EXTREMELY SENSITIVE. I AGAIN DISAGREE SINCE THE ONLY REASON I HAVE TO ADJUST IS DUE TO THE WANDERING WHICH HAPPENS ON ITS OWN.*AK
Owner-reported narrative. Look up ODI 10021414 at NHTSA ↗
Owner report 10023175 · 2003-06-16 (June 16, 2003)
POWER STEERING PUMP FAILURE. *NLM
Owner-reported narrative. 10,583 miles reported. Look up ODI 10023175 at NHTSA ↗
Owner report 10032906 · 2003-08-15 (August 15, 2003)
I PURCHASED A 2003 CHEVROLET TRAILBLAZER LS ON SEPT.19,2002.WITHIN THE FIRST WEEK I NOTICED A HESITATION WHEN ACCELERATING FROM A STOP.I CONTACTED THE DEALER, AND THEY TOLD ME THEY WOULD CHECK IT AT MY FIRST OIL CHANGE 2500 MILES.THEY DID, AND TOLD ME THAT THERE WAS NOTHING WRONG WITH THE TRUCK.THE COMPUTER SHOWED NO PROBLEMS.BEING A INTERMITTENT PROBLEM ,THE SERVICE REP SAID IT WOULD BE HARD TO FIND THE PROBLEM.SINCE THEN(DEC.2002),THE PROBLEM HAS INTERMITTENTLY OCCURRED SEVERAL MORE TIMES,STALLING AT RED LIGHT TWICE.A SAFETY HAZARD.THE TRUCK …
Owner-reported narrative. 50 miles reported. Look up ODI 10032906 at NHTSA ↗
Owner report 10038843 · 2003-09-13 (September 13, 2003)
VEHICLE'S DASH GAUGES CAME ON AND SPEEDOMETER STARTED FLUCTUATING AFTER 35 MILES DRIVING AND VEHICLE STALLED OUT, NOT BEING ABLE TO RESTART. COMPUTER WAS REPLACED BY DEALER. PROBLEM AROSE AGAIN ABOUT A WEEK LATER. GM HAD DEALER REPLACE ANOTHER PART IN I BELIEVE THE IGNITION KEY AREA. CHECK ENGINE LIGHT CAME ON AGAIN IN A COUPLE WEEKS AND VEHICLE WOULD NOT START FOR DEALER AFTER IT WAS DRIVEN THERE. DEALER FOUND WIRE CONNECTION IN WIRING HARNESS TO COMPUTER WAS NOT MAKING CONTINUOUS CONTACT AT A CONNECTION. ALSO DEALER HAD TO REPLACE A SWIT…
Owner-reported narrative. 35 miles reported. Look up ODI 10038843 at NHTSA ↗