NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
617 reportsClear category filter38,054 miles · Aug 20, 2014
Electrical System
AS I WAS DRIVING ON FLORENCE BLVD MY SPEEDOMETER QUIT WORKING AND THE OIL GAUGE WASNT REGISTERING BUT THE OTHERS WERE WORKING OK. NOW ALL OF THEM DO NOT WORK EXCEPT EVERY ONCE IN AWHILE ONE OR TWO OF THEM MIGHT START WORKING FOR AWHILE THEN THEY WILL STOP WORKING. WITH ALL THE OTHER COMPLAINTS IT SEEMS TO ME THAT THIS IS A MANUF…
Read full complaint
AS I WAS DRIVING ON FLORENCE BLVD MY SPEEDOMETER QUIT WORKING AND THE OIL GAUGE WASNT REGISTERING BUT THE OTHERS WERE WORKING OK. NOW ALL OF THEM DO NOT WORK EXCEPT EVERY ONCE IN AWHILE ONE OR TWO OF THEM MIGHT START WORKING FOR AWHILE THEN THEY WILL STOP WORKING. WITH ALL THE OTHER COMPLAINTS IT SEEMS TO ME THAT THIS IS A MANUFACTURER DEFECT AND CHEVROLET SHOULD BE MADE TO FIX IT AT THEIR EXPENSE. THEY LET FAULTY PRODUCTS GO THRU QC NOW THEY NEED TO FIX THE PROBLEM. THANK YOU. *TR
NHTSA ODI #10626914
91,000 miles · Aug 12, 2014
Electrical SystemLatches/locks/linkagesVisibility
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHILE DRIVING VARIOUS SPEEDS, THE FRONT DRIVER SIDE POWER DOOR LOCK AND WINDOW FAILED TO ACTIVATE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC ON NUMEROUS OCCASIONS. THE VEHICLE WAS REPAIRED, BUT THE CAUSE OF THE FAILURE WAS UNKNOWN. THE FAILURE RECURRED AFTER THE REPAIR WA…
Read full complaint
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHILE DRIVING VARIOUS SPEEDS, THE FRONT DRIVER SIDE POWER DOOR LOCK AND WINDOW FAILED TO ACTIVATE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC ON NUMEROUS OCCASIONS. THE VEHICLE WAS REPAIRED, BUT THE CAUSE OF THE FAILURE WAS UNKNOWN. THE FAILURE RECURRED AFTER THE REPAIR WAS PERFORMED. THE VEHICLE WAS NOT REPAIRED FOR THE MOST RECENT FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 91,000.
NHTSA ODI #10621791
Mileage unknown · Aug 12, 2014
Electrical System
2005 CHEVROLET TRAILBLAZER. CONSUMER WRITES IN REGARDS TO VEHICLE ELECTRONIC SYSTEM RECALL. *SMD THE CONSUMER STATED HE EXPERIENCED AN ELECTRICAL MALFUNCTION, THAT CAUSED THE DOOR LOCKS AND WINDOW CONTROLS TO CEASE FUNCTIONING. SOMETIMES THE SYSTEM WAS OPERATIONAL AND HE WAS ABLE TO USE IT, FOR A SHORT TIME. *JB
NHTSA ODI #10621635
212,000 miles · Jul 31, 2014
Electrical SystemFuel System, Gasoline
THE FUEL GAUGE MALFUNCTIONS AFTER FILLING TANK - IT READS EMPTY IMMEDIATELY AND INTERMITTENTLY THEREAFTER AT ANY FUEL LEVEL. IT MAKES IT DIFFICULT FOR TRAVELING ANY LONG DISTANCE AS YOU ARE NOT QUITE SURE HOW MUCH FUEL IS AVAILABLE OR IF IT WILL SHUT DOWN ON ME DURING A DIFFICULT SITUATION. WE HAVE CONTACTED GM AND THEY WANT T…
Read full complaint
THE FUEL GAUGE MALFUNCTIONS AFTER FILLING TANK - IT READS EMPTY IMMEDIATELY AND INTERMITTENTLY THEREAFTER AT ANY FUEL LEVEL. IT MAKES IT DIFFICULT FOR TRAVELING ANY LONG DISTANCE AS YOU ARE NOT QUITE SURE HOW MUCH FUEL IS AVAILABLE OR IF IT WILL SHUT DOWN ON ME DURING A DIFFICULT SITUATION. WE HAVE CONTACTED GM AND THEY WANT TO CHARGE ME TO CHECK IT AND THIS HAS BEEN REPORTED AS A PROBLEM FOR MULTIPLE MODELS TO GM. THIS IS VERY SCARY AS I TRAVEL LONG DISTANCES TO AND FROM WORK EACH DAY - I FEEL THAT THIS PUTS ME IN HARMS WAY. I DON'T BELIEVE THAT I SHOULD PAY TO A DEFECTIVE PART THAT GM KNOWS ABOUT BUT DOESN'T ACKNOWLEDGE. *TR
NHTSA ODI #10618020
70,000 miles · Jul 31, 2014
Electrical SystemSeat BeltsSteeringCrashInjury
MYSELF AND MY DAUGHTER WAS VISITING MY PARENTS IN VIRGINIA AND I TURNED THE STEERING WHEEL TO THE RIGHT TO GO AROUND A CURVE AND THE STEERING WHEEL DIDN'T TURN. I LOOKED AY MY DAUGHTER AND SAID "OH _ _ _ _" AND SHE ASK ME WHAT 'S WRONG? I SAID THE STEERING DIDN'T TURN AND IT WASN'T BUT SECONDS LATER, WE SLAMMED INTO THE SIDE OF …
Read full complaint
MYSELF AND MY DAUGHTER WAS VISITING MY PARENTS IN VIRGINIA AND I TURNED THE STEERING WHEEL TO THE RIGHT TO GO AROUND A CURVE AND THE STEERING WHEEL DIDN'T TURN. I LOOKED AY MY DAUGHTER AND SAID "OH _ _ _ _" AND SHE ASK ME WHAT 'S WRONG? I SAID THE STEERING DIDN'T TURN AND IT WASN'T BUT SECONDS LATER, WE SLAMMED INTO THE SIDE OF THE MOUNTAIN ON THE DRIVER SIDE AND WE ROLLED TWO OR THREE TIMES AND ENDED UP ON THE ROOF. I IMMEDIATELY WENT UNCONSCIOUS BECAUSE OF THE IMPACT. I HAD A BIG GASH ON MY HEAD AND WAS BLEEDING PROFUSELY AND I WAS HAVING TROUBLE BREATHING BECAUSE BOTH OF MY LUNGS WERE PUNCTURED. ALL THE WINDOWS BURST OUT SO MY DAUGHTER WAS ABLE TO CRAWL OUT THE PASSENGER WINDOW TO ASK SOMEONE FOR HELP BUT MY SEAT BELT WOULD NOT UNBUCKLE SO THERE WAS AN ISSUE GETTING ME OUT. I WAS VERY LUCKY THAT SOMEONE THAT STOPPED HAD A POCKET KNIFE AND CUT THE SEATBELT TO GET ME OUT. I HAD A BAD CONCUSSION AND I KEPT GOING IN AND OUT . I HAD THREE BROKEN RIBS, THREE PELVIC FRACTURES, A BAD CONTUSION ON MY ELBOW AND I STILL HAVE A SWOLLEN KNOT ABOUT TWO AND A HALF INCHES ON MY LEFT LEG. I ALSO HAVE ISSUES WITH MY BACK AND I AM IN CONSTANT PAIN AND ON IMPACT, MY SEAT BELT JERKED AND CAUGHT MY BREAST AND I NOW HAVE FIVE CYST WITH THE LARGEST ONE BEING ONE INCH AND THEY ARE VERY PAINFUL. I HAVE TO WATCH IT VERY CLOSELY BECAUSE OF A CANCER RISK CALLED INFLAMMATION CANCER. I WAS HOSPITALIZED FOR THREE DAYS AND I HAVE TO CONTINUE RECEIVING MEDICAL CARE BECAUSE OF THESE INJURIES. MY DAUGHTER IS YOUNG AND NOW SHE HAS BACK PROBLEMS AND PTSD AND SHE ALSO CONTINUES TO RECEIVE MEDICAL CARE . THIS HAS REALLY IMPACTED AND CHANGED MY LIFE AND MY DAUGHTERS LIFE AND I WOULD REALLY APPRECIATE IT IF YOU WOULD TAKE THE TIME TO INVESTIGATE THESE ISSUES. WE ARE GOING TO HAVE LIFE LONG INJURIES AND ISSUES BECAUSE OF THIS ACCIDENT. THANK YOU VERY MUCH. *TR
NHTSA ODI #10617960
196,000 miles · Jul 28, 2014
Electrical SystemFire
POSSIBLE FATAL FIRE ACCIDENT. THE PASSENGER OUTSIDE RUNNING LIGHT 9006 SOCKET FOUND TO HAVE BURNED COMPLETLY OFF OF THE LIGHT 9006. THIS IS THE 2ND TIME THIS VEHICLE SOCKET HAS BEEN FOUND TO BE DEFECTIVE, ON 03/15/2012 THE DRIVER SIDE SOCKET WAS BURNED AND WAS REPLACED. NO HELP FROM GENERAL MOTERS. SEE VEHICLE SAFETY COMPLAINTS …
Read full complaint
POSSIBLE FATAL FIRE ACCIDENT. THE PASSENGER OUTSIDE RUNNING LIGHT 9006 SOCKET FOUND TO HAVE BURNED COMPLETLY OFF OF THE LIGHT 9006. THIS IS THE 2ND TIME THIS VEHICLE SOCKET HAS BEEN FOUND TO BE DEFECTIVE, ON 03/15/2012 THE DRIVER SIDE SOCKET WAS BURNED AND WAS REPLACED. NO HELP FROM GENERAL MOTERS. SEE VEHICLE SAFETY COMPLAINTS FILED WITH GENERAL MOTORS AND NHTSA NUMBER 10592126. A NUMBER OF MY VEHICLE DEFECTS COULD HAVE LEAD TO A FATAL ACCIDENT. UPDATED 4/24/2015 *JS
NHTSA ODI #10616945
Mileage unknown · Jul 23, 2014
Electrical SystemFuel System, GasolineVehicle Speed Control
MY TRAIL BLAZER CHECK ENGINE LIGHT STAYS ON WE CANNOT RESET IT. THE FULL GAUGE SAYS IT HAS MORE GAS THEN WHAT IT DOES, I HAVE TO GUESS TO AVOID RUNNING OUR OF GAS. SPEEDOMETER STOPS WORKING THEN IT FIXES ITS SELF. THE RADIO AND LIGHTS SOMETIMES STAY ON, AND KILLS MY BATTERY. *TR
NHTSA ODI #10615763
195,000 miles · Jul 23, 2014
Electrical System
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE DRIVER SIDE TURN SIGNAL, BRAKE LIGHTS, HEADLIGHTS, AIR CONDITIONING, AND HEATER WERE ALL DEFECTIVE. AN INDEPENDENT MECHANIC STATED THAT THE ELECTRICAL SYSTEM WAS DEFECTIVE. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED. THE APPROXIMAT…
Read full complaint
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE DRIVER SIDE TURN SIGNAL, BRAKE LIGHTS, HEADLIGHTS, AIR CONDITIONING, AND HEATER WERE ALL DEFECTIVE. AN INDEPENDENT MECHANIC STATED THAT THE ELECTRICAL SYSTEM WAS DEFECTIVE. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 195,000.
NHTSA ODI #10615576
62,000 miles · Jul 23, 2014
Electrical SystemEngine And Engine CoolingFuel System, Gasoline
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 25 MPH, THE BRAKES FAILED. THE FAILURE OCCURRED INTERMITTENTLY FOR THREE YEARS. THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 62,000. THE WINDOW REGULATOR, BATTERY CABLE, TANK LEVEL…
Read full complaint
TL* THE CONTACT OWNS A 2005 CHEVROLET TRAILBLAZER. WHILE DRIVING APPROXIMATELY 25 MPH, THE BRAKES FAILED. THE FAILURE OCCURRED INTERMITTENTLY FOR THREE YEARS. THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 62,000. THE WINDOW REGULATOR, BATTERY CABLE, TANK LEVEL SENSOR, CLUTCH FAN, SERPENTINE BELT, TIGHT OUTER TIE ROD, HOOD LATCH,WATER PUMP, WERE ALL REPLACED. ALSO, THE ROTORS WERE WARPED, DUE TO RUST BY CLIMATE, THE REAR BRAKES PADS WERE WORN AND HAD TO BE REPLACED. THE FRONT ROTORS WERE MACHINED. THERE WAS AN INTERMITTENT SURGE AFTER ACCELERATING FROM A STOP. THERE WAS A SQUEALING NOISE COMING FROM THE BRAKES. THE PASSENGER SIDE BRAKE LIGHTS WERE BLOWING OUT. THE TAIL LIGHT CIRCUIT BOARD WAS REPLACED. THE CHECK ENGINE LIGHT ILLUMINATED, DUE TO A FAULTY EMISSION VENT VALVE AND HOSE ASSEMBLY. THE ABS WAS ENGAGING, WHEN COMING TO A STOP. UPDATED 10/01/14
NHTSA ODI #10615557
52,000 miles · Jul 20, 2014
Electrical SystemFuel System, GasolineVehicle Speed Control
THE VEHICLE PRESENTED WITH ERROR ON READING THE SPEED ONE IS TRAVELING AT. FUEL GAUGE NOT WORKING PROPERLY AND NOT READING GAS CORRECTLY. *TR
NHTSA ODI #10614826
NHTSA investigations
2RQ17002 · 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.
DP10001 · Fuel Level Gauge System Failure
Opened Jan 7, 2010 · Closed May 23, 2011
Status: closed (inferred from source dates) · Fuel System, Other; Fuel System, Other:storage:fuel Gauge System
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.
Additional source detail variants (2)
Fuel System, Other
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.
Fuel System, Other:storage:fuel Gauge System
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.