NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
627 reportsClear category filter120,000 miles · May 18, 2014
Electrical SystemPower Train
THIS WAS ACTUALLY THE SECOND OR THIRD INCIDENT WHERE THE KEY GOT STUCK IN THE IGNITION, BLAZER WAS IN PARK THE LIGHTS REMAINED ON SO DID THE RADIO ANYTHING THAT IS TYPICALLY ON DURING AUX, BUT THIS WAS THE BEGINNING OF A LONG PROBLEM THAT LEAD TO ME TRADING OFF..THE KEY GETS STUCK YOU CAN NOT REMOVE IT CAUSED THE BATTERY TO GO B…
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THIS WAS ACTUALLY THE SECOND OR THIRD INCIDENT WHERE THE KEY GOT STUCK IN THE IGNITION, BLAZER WAS IN PARK THE LIGHTS REMAINED ON SO DID THE RADIO ANYTHING THAT IS TYPICALLY ON DURING AUX, BUT THIS WAS THE BEGINNING OF A LONG PROBLEM THAT LEAD TO ME TRADING OFF..THE KEY GETS STUCK YOU CAN NOT REMOVE IT CAUSED THE BATTERY TO GO BAD, IT WOULD BEGIN TO HAPPEN OFTEN THE SERVICE ENGINE SOON LIGHT WOULD COME ON, THE TRANSMISSION WOULD NOT SHIFT ABOVE 3RD GEAR, ALSO SHORTLY AFTER THE PURCHASE IN SEPT OF 2011 THE SPEEDOMETER STOPPED WORKING. THE BLAZER DIED 3 TIMES GAUGES ON DASH WOULD PERIODICLY STOP WORKING. MY SERVICE 4 WHEEL WOULD COME ON RANDOMLY THE KEY ISSUE WAS THE BIGGEST PROBLEM BUT IT WAS ONLY A MATTER OF TIME BEFORE OTHER THINGS WENT WRONG. WHEN THE KEY WOULD GET STUCK IN THE IGINTION AS STATED THE TRANSMISSION WOULD NOT SHIFT PROPERLY IN THE BEGINNING THE TRANSMISSION WOULD ACT OUT ONCE YOU TOOK IT OUT OF PARK IT WAS NOTICEABLE BUT AS THE PROBLEM BECAME WORSE IT STARTED HAPPENING DRIVING DOWN THE HIGHWAY I NOTICED ONCE THAT I HAVE SUCCESSFULLY MADE IT THROUGH 1-2-3 BUT NEVER GOT OUT OF 3. I SHOULD STATE THAT WHEN THE KEY WAS STUCK I WOULD HAVE TO MANUALLY SHIFT THROUGH THE FIRST AND SECOND THEN PUT IT INTO DRIVE OTHERWISE THE CAR HAD NO POWER BECAUSE IT WOULD BE STUCK IN THE HIGHER GEAR.TRIED TO CONTACT THE DEALERSHIP AS THERE WAS A RECALL ON THE DASH FOR THE 2003 MODEL AND THEY TOLD US IT WASNT A SAFETY PROBLEM I DO NOT UNDERSTAND HOW RANDOM LOSS OF POWER AND RANDOM CAR DYING IS NOT A SAFETY ISSUE, I HAVE BEEN WATCHING THE LIST OF GM RECALLS AND I HAVE NOT SEEN MUCH ABOUT THE TRAILBLAZERS, AND IT BOTHERS ME THAT I AM SURE THERE ARE OTHER ISSUES LIKE THE ONES THAT I HAD. ON ANOTHER NOTE TRANSMISSION RELATED MY NEIGHBORS JUST HAD TO GET RID OF THEIR TRAILBLAZER 2006 FOR TRANSMISSION PROBLEMS. *JS
NHTSA ODI #10592221
65,000 miles · May 7, 2014
Electrical System
TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE IGNITION SWITCH COULD BE TURNED WITHOUT THE KEY BEING IN THE IGNITION, CAUSING THE BATTERY TO DRAIN. THE KEY WAS REMOVED AND THE IGNITION SWITCH REMAINED IN THE ACCESSORY MODE WHICH CAUSED THAT BATTERY FAILURE. THE CONTACT HAD TO CONSTANTLY TO CHECK …
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TL* THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE IGNITION SWITCH COULD BE TURNED WITHOUT THE KEY BEING IN THE IGNITION, CAUSING THE BATTERY TO DRAIN. THE KEY WAS REMOVED AND THE IGNITION SWITCH REMAINED IN THE ACCESSORY MODE WHICH CAUSED THAT BATTERY FAILURE. THE CONTACT HAD TO CONSTANTLY TO CHECK TO ENSURE THAT THE IGNITION WAS IN THE OFF POSITION AFTER REMOVING THE KEY. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 65,000. ..UPDATED 08/11/14 *BF UPDATED 08/19/2014 *JS
NHTSA ODI #10586979
152,259 miles · Apr 8, 2014
Electrical SystemVehicle Speed ControlFire
WHILE DRIVING THE VEHICLE IT BEGAN TO SMOKE. THE CAR WOULDN'T ACCELERATE SO I STOPPED THE CAR SHUT IT OFF, POPPED THE HOOD, AND IT WAS ENGULFED IN FLAMES. I GRABBED MY 2 CHILDREN OUT OF THE CAR AND CALLED 9-1-1 THE CAR WAS A TOTAL LOSS! *TR
NHTSA ODI #10578391
100,000 miles · Mar 29, 2014
Electrical SystemExterior Lighting
THE SPEEDOMETER GAUGE WENT DOWN TO 0, WHILE I WAS ON HWY TRAVELING AT 55 MPH. MY SPEEDOMETER CURRENTLY ISN'T WORKING AND GAS GAUGE IS NOT WORKING TO. WHY ISN'T THERE A RECALL ON THIS? THE LIGHTENING WILL GO OUT TO AND DON'T WANT TO COME BACK ON SOME TIMES. *TR
NHTSA ODI #10575626
66,000 miles · Mar 24, 2014
Electrical SystemExterior LightingInterior Lighting
HEADLIGHTS TURNS OFF WHILE DRIVING TAILLIGHTS BURNS OUT AT LEASE ONCE A MONTH (BLINKERS, BRAKES ETC) INTERIOR LIGHTS COMES ON AND OFF AT TIMES. *TR
NHTSA ODI #10574621
150,000 miles · Feb 27, 2014
Electrical System
INSTRUMENT GAUGE CLUSTER SHORTING OUT... STARTED WITH TACH, THEN OIL GAUGE, NOW SPEEDOMETER. SEEMS TO BE AN EPIDEMIC WITH MANY GM VEHICLES, OTHER MODELS RECALLED, CLEARLY A MANUFACTURING ISSUE. GM NEEDS TO INCLUDE TRAILBLAZER IN RECALL. *TR
NHTSA ODI #10566401
125,000 miles · Feb 25, 2014
Electrical SystemExterior Lighting
MY COMPLAINT IS THAT I CONTACTED CHEVY DEALER AND ADVISED OF SO MANY ISSUES I HAVE HAD WITH MY VEHICLE SINCE THE PURCHASE MAINLY MOST RECENT IS THE DRIVER SIGNAL LIGHT WILL NOT COME ON AND IT WAS RECALLED 2004 RECALL# TURN SIGNAL 05V198000 IN WHICH THEY ADVISED ME THAT THE CAMPAIGN HAS EXPIRED AND THEREFORE MINE CANNOT BE REPLAC…
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MY COMPLAINT IS THAT I CONTACTED CHEVY DEALER AND ADVISED OF SO MANY ISSUES I HAVE HAD WITH MY VEHICLE SINCE THE PURCHASE MAINLY MOST RECENT IS THE DRIVER SIGNAL LIGHT WILL NOT COME ON AND IT WAS RECALLED 2004 RECALL# TURN SIGNAL 05V198000 IN WHICH THEY ADVISED ME THAT THE CAMPAIGN HAS EXPIRED AND THEREFORE MINE CANNOT BE REPLACED. I HAVE ALREADY ALMOST HAD 3 CAR CRASHES BECAUSE THE SIGNAL IS NOT WORKING. I DO NOT UNDERSTAND WHY CHEVROLET DID NOT REPLACE WHEN IT IS CLEAR THIS IS LIFE THREATENING REGARDLESS OF WHEN THE RECALL WAS PUT INTO FORCE. *TR
NHTSA ODI #10565746
Mileage unknown · Jan 30, 2014
Electrical System
THE SPEEDOMETER GAUGE WENT DOWN TO 0, WHILE I WAS ON THE FREEWAY TRAVELING AT 65 MPH. THIS HAS HAPPENED FREQUENTLY SINCE IT FIRST STARTED HAPPENING----AND IT WILL WORK FOR AWHILE--AND THEN STOP. ON AVERAGE, I WOULD SAY THIS HAS HAPPENED AT LEAST 6 TO 10 TIMES A YEAR IN THE PAST 3 YEARS. MY SPEEDOMETER CURRENTLY ISN'T WORKING A…
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THE SPEEDOMETER GAUGE WENT DOWN TO 0, WHILE I WAS ON THE FREEWAY TRAVELING AT 65 MPH. THIS HAS HAPPENED FREQUENTLY SINCE IT FIRST STARTED HAPPENING----AND IT WILL WORK FOR AWHILE--AND THEN STOP. ON AVERAGE, I WOULD SAY THIS HAS HAPPENED AT LEAST 6 TO 10 TIMES A YEAR IN THE PAST 3 YEARS. MY SPEEDOMETER CURRENTLY ISN'T WORKING AND HASN'T WORKED FOR 2 MONTHS. WHY ISN'T THERE A RECALL ON THIS? *TR
NHTSA ODI #10562213
Mileage unknown · Jan 24, 2014
Electrical System
I HAVE A 2004 CHEVROLET TRAIL BLAZER. MY SPEEDOMETER HAND JUST STOPPED WORKING, IT IS STUCK AT 120MPH. I TRIED SHUTTING MY SUV OFF AND TURNING IT ON AND EVEN UNHOOKING THE BATTERY, BUT IT STILL DOESN'T WORK... THE DEALER SAID IT WILL COST ME $500+ TO GET IT FIXED.. WHY ISN'T THERE A RECALL ON THIS?? I KNOW A LOT MORE PEOPLE WHO …
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I HAVE A 2004 CHEVROLET TRAIL BLAZER. MY SPEEDOMETER HAND JUST STOPPED WORKING, IT IS STUCK AT 120MPH. I TRIED SHUTTING MY SUV OFF AND TURNING IT ON AND EVEN UNHOOKING THE BATTERY, BUT IT STILL DOESN'T WORK... THE DEALER SAID IT WILL COST ME $500+ TO GET IT FIXED.. WHY ISN'T THERE A RECALL ON THIS?? I KNOW A LOT MORE PEOPLE WHO HAVE REPLACED THE PART TWICE AND IT STILL FAILS OUT. I AM UNEMPLOYED AND HAVE NO INCOME AT ALL AND IT MAKES IT HARD ON GOOD HONEST PEOPLE WHO NEED WAYS OF TRANSPORTATION. I THINK THERE SHOULD BE A RECALL ON THESE. ITS NOT THAT FACT THAT I CANT PAY FOR GETTING IT FIXED, ITS JUST A HAZARD AND COULD MAKE MORE PROBLEMS IN THE FUTURE, LIKE SPEEDING TICKETS! *TR
NHTSA ODI #10561299
80,000 miles · Dec 17, 2013
Electrical System
THE INSTRUMENT CLUSTER FOR THE DASHBOARD BEGAN TO FAIL. FIRST, THE RPM GAUGE NO LONGER WORKED. AFTER A LITTLE TIME HAD PASSED, THE TEMPERATURE GAUGE FAILED, THEN THE BATTERY GAUGE, THEN OIL AND GAS. WHEN VARIOUS MECHANICS WERE ASKED ABOUT THE PROBLEM, I WAS INFORMED THAT IT WAS A VERY COMMON PROBLEM FOR TRAILBLAZERS AND SIMIL…
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THE INSTRUMENT CLUSTER FOR THE DASHBOARD BEGAN TO FAIL. FIRST, THE RPM GAUGE NO LONGER WORKED. AFTER A LITTLE TIME HAD PASSED, THE TEMPERATURE GAUGE FAILED, THEN THE BATTERY GAUGE, THEN OIL AND GAS. WHEN VARIOUS MECHANICS WERE ASKED ABOUT THE PROBLEM, I WAS INFORMED THAT IT WAS A VERY COMMON PROBLEM FOR TRAILBLAZERS AND SIMILAR VEHICLES MANUFACTURED BY GM. WHEN GM WAS INFORMED OF THIS, THEY TOLD ME IT WAS NOT UNDER WARRANTY AND THUS I WOULD BE RESPONSIBLE IN FIXING IT. *TR
NHTSA ODI #10556420
NHTSA investigations
4RQ17002 · Loss Of Headlights
Opened Apr 24, 2017 · Closed Mar 29, 2021
Status: closed (inferred from source dates) · Exterior Lighting:headlights
The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy variants: 2002-2006 Envoy XL/Trailblazer EXT and 2004-2005 Envoy XUV. The original scope of this investigation was expanded to include all vehicles equipped with the subject Headlight Driver Module (HDM). The focus of the investigation was to determine whether actions performed by General Motors adequately addressed any unreasonable risk to motor vehicle safety in the subject vehicles concerning the headlights and the HDM that controls them.Under normal electrical load and environmental conditions, the HDM can overheat inside the Underhood Electrical Center (UEC). This can cause the module to fail and result in a simultaneous loss of both low beam headlights and both daytime running lights (DRLs), often with no warning or prior detectability to the driver. This failure can be intermittent or permanent. No other exterior lights are affected. High beams, turn signals, brake lights, and reverse lights are still operational.General Motors addressed this issue with 2 recalls (14V755 & 15V519) and a special coverage program (N172091910). In view of the recalls and special coverage program implemented by GM and the vehicle high beams continuing to operate, ODI has tentatively concluded that the actions taken by GM mitigate any unreasonable risk to safety posed by HDM failure in the subject vehicles.Accordingly, the investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take additional action if warranted by new circumstances.The ODI reports cited above are available for review online at NHTSA.gov under the identification numbers in the attached document.
EA07009 · Fuel Pump Module Leaks Gasoline
Opened Jul 10, 2007 · Closed Aug 28, 2008
Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:fuel Pump
DURING THE COURSE OF THIS EA INVESTIGATION, ODI OBSERVED THAT THE MAJORITY OF THE COMPLAINTS (88%) AND WARRANTY CLAIMS (94%) WERE REPORTED FOR VEHICLES THAT ARE REGISTERED FOR USE IN THE SALT BELT REGION OF THE US.THIS AREA INCLUDES 20 STATES IN THE NORTHEAST, MID ATLANTIC AND THE MIDWEST REGIONS AND THE DISTRICT OF COLUMBIA.CONSUMERS IN THE SALT BELT REGION REPORTED TO ODI THAT THEY COULD SMELL FUEL VAPORS IN THEIR VEHICLES WHILE DRIVING.UPON FURTHER EXAMINATION OF THEIR VEHICLES, THEY DISCOVERED THAT FUEL VAPORS WERE COMING OUT OF THE TOP OF THE FUEL TANK. THIS CONDITION IS CAUSED BY CORROSION OF THE RETURN AND SENDER LINES OF THE FUEL PUMP MODULE.WATER AND ROAD SALT COLLECT ON TOP OF THE FUEL PUMP LEADING TO SMALL PINHOLES APPEARING ON THE FUEL LINES.FUEL MAY LEAK AND COLLECT ON TOP OF THE MODULE AND/OR SPILL ONTO THE GROUND.THE DATA EVALUATED UNDER THIS INVESTIGATION REFLECT A RELATIVELY LOW FREQUENCY OF OCCURRENCE THAT LARGELY ARISES IN SALT BELT STATES.GM HAS EXTENDED THE WARRANTY ON THE SUBJECT COMPONENT TO TEN YEARS OR 120,000 MILES.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED AT THIS TIME; ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.FOR ADDITIONAL INFORMATION SELECT DOCUMENT SEARCH.
EA04021 · Brake Lamp Failure
Opened Aug 3, 2004 · Closed Nov 4, 2004
Status: closed (inferred from source dates) · Exterior Lighting:brake Lights
GM STATES THAT SOME BRAKE/TAIL LAMP BULBS CAN PREMATURELY BECOME INOPERATIVE DUE TO MALFUNCTIONING BRAKE/TAIL LAMP SOCKETS.ON MARCH 2, 2004, GM INITIATED A 6-YEAR/72,000 MILE SPECIAL POLICY FOR 989,487 SUBJECT VEHICLES TO INSPECT AND REPLACE THE REAR BRAKE/TAIL LAMP BULB SOCKET ASSEMBLIES.ON APRIL 4, 2004, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE04-032) BASED ON CONSUMER COMPLAINTS ALLEGING BRAKE LIGHTS NOT OPERATING WHEN THE BRAKE PEDAL IS DEPRESSED.ON AUGUST 3, 2004 ODI UPGRADED PE04-032 TO AN ENGINEERING ANALYSIS (EA04-021).BY LETTER DATED OCTOBER 27, 2004 GM NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA # 04V527) COVERING SUBJECT VEHICLES THAT WERE NOT ALREADY REPAIRED UNDER GM'S SPECIAL POLICY.MY 2004 SUBJECT VEHICLES BUILT AFTER AUGUST 8, 2003 CONTAIN IMPROVED BRAKE LAMP ASSEMBLIES AND ARE NOT INCLUDED IN THE RECALL.GM DEALERS WILL INSTALL THE IMPROVED BRAKE LAMP ASSEMBLY ON SUBJECT VEHICLES BUILT ON AUGUST 8, 2003 AND EARLIER.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.
PE04032 · Brake Lamp Failure
Opened Apr 6, 2004 · Closed Aug 3, 2004
Status: closed (inferred from source dates) · Exterior Lighting:brake Lights
THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED THIS INVESTIGATION ON MODEL YEAR (MY) 2002-04 CHEVROLET TRAILBLAZER VEHICLES.GM REPORTS THAT OTHER VEHICLES SHARING THIS PLATFORM AND BRAKE LAMP DESIGN ARE THE MY 2002-2004 CHEVROLET TRAILBLAZER EXT; GMC ENVOY, XL, XUV; OLDSMOBILE BRAVADA AND 2004 BUICK RAINIER.COMPLAINTS ALLEGE THAT THE REAR BRAKE LAMP DOES NOT OPERATE WHEN THE BRAKE PEDAL IS DEPRESSED.THERE IS NO INDICATION TO THE DRIVER FROM INSIDE THE VEHICLE THAT ONE OR MORE BRAKE LAMPS BULBS ARE NOT FUNCTIONING.GM FOUND THAT HEAT FROM THE BULB COULD DEFORM THE LAMP SOCKET, PRODUCE ELECTRICAL ARCING AND AN INOPERATIVE BULB.TO CORRECT THE CONDITION, GM CHANGED THE BULB TO A BULB THAT TRANSMITS LESS HEAT TO THE SOCKET AND CHANGED THE SOCKET TO A THERMOPLASTIC POLYMER TO IMPROVE THERMAL STABILITY.THESE CHANGES WERE IMPLEMENTED INTO PRODUCTION VEHICLES ON OCTOBER 1, 2003.GM IMPLEMENTED A SPECIAL POLICY BY NOTIFYING CONSUMERS THAT IF THEY SHOULD EXPERIENCE A BRAKE LAMP FAILURE TO GO TO THEIR GM DEALERSHIP TO HAVE THE CIRCUIT BOARD CONTAINING THE BRAKE LAMP REPLACED ALONG WITH NEW BULBS.THIS POLICY IS GOOD FOR THE FIRST 6 YEARS OR 72,000 MILES OF THE LIFE OF THE VEHICLE.ODI WILL UPGRADE THIS INVESTIGATION TO EA 04-021 AND INCLUDE THE ABOVE MENTIONED VEHICLES.
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