NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
627 reportsClear category filterMileage unknown · Jun 4, 2010
Electrical System
HAVING TROUBLES WITH MY 2004 CHEVY TRAILBLAZER GAUGE CLUSTER. WHICH WORKED SPORADICALLY THEN FINALLY HAS STOPPED WORKING COMPLETELY. THIS SEEMS TO BE A COMMON UNSAFE PROBLEM IN THESE VEHICLES. AND THERE IS NO RECALL ON THIS PARTICULAR MODEL. BUT CHEVY DOES BACK ITS OTHER MODELS FOR THIS SAME PROBLEM. THIS IS A MAJOR UNSAFE VEHI…
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HAVING TROUBLES WITH MY 2004 CHEVY TRAILBLAZER GAUGE CLUSTER. WHICH WORKED SPORADICALLY THEN FINALLY HAS STOPPED WORKING COMPLETELY. THIS SEEMS TO BE A COMMON UNSAFE PROBLEM IN THESE VEHICLES. AND THERE IS NO RECALL ON THIS PARTICULAR MODEL. BUT CHEVY DOES BACK ITS OTHER MODELS FOR THIS SAME PROBLEM. THIS IS A MAJOR UNSAFE VEHICLE MISHAP. AND THERE NEEDS TO BE A RECALL PLACED ON IT!!! *TR
NHTSA ODI #10334630
Mileage unknown · Jun 1, 2010
Electrical SystemElectronic Stability Control (esc)
ALL GAUGES ON CONTROL PANEL NOT WORKING, BUT ALL SERVICE LIGHTS COME ON CHECK ENGINE, ABS SEAT BELT, REDUCE POWER, BATTERY LIGHTS. NOW SUV NOT CRANKING, IT WILL SPIN BUT NOT TURNING OVER. WILL CRANK UP AFTER LETTING IT SIT FOR A WHILE. I RECEIVED A TICKET FOR SPEEDING, ALREADY. *TR
NHTSA ODI #10334159
60,312 miles · May 21, 2010
Electrical System
OUR 2004 CHEVY TRAILBLAZER HAS HAD A FAILURE OF IT'S INSTRUMENT CLUSTER AND THE FUEL GAUGE, SPEEDOMETER, VOLTMETER, OIL PRESSURE GAUGE AND TACHOMETER HAVE FAILED AND NOW THAT WE CAN NOT KNOW HOW FAST WE ARE GOING WE HAVE HAD 3 SPEEDING TICKETS AND THE OFFICERS HAVE SAID THAT'S NOT AN EXCUSE BUT WE THINK IT'S A GOOD EXCUSE. I HAV…
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OUR 2004 CHEVY TRAILBLAZER HAS HAD A FAILURE OF IT'S INSTRUMENT CLUSTER AND THE FUEL GAUGE, SPEEDOMETER, VOLTMETER, OIL PRESSURE GAUGE AND TACHOMETER HAVE FAILED AND NOW THAT WE CAN NOT KNOW HOW FAST WE ARE GOING WE HAVE HAD 3 SPEEDING TICKETS AND THE OFFICERS HAVE SAID THAT'S NOT AN EXCUSE BUT WE THINK IT'S A GOOD EXCUSE. I HAVE RESEARCHED THIS ISSUE AND MANY PEOPLE (AT LEAST A HUNDRED ON EACH SITE) HAVE HAD THIS COMPLAINT ABOUT THE TRAILBLAZER AND CHEVY JUST DOESN'T SEEM TO CARE ABOUT THE PROBLEM. NOTHING HAPPENED LEADING UP TO THIS EVENT IT JUST STARTED FAILING ONE AFTER THE OTHER. *TR
NHTSA ODI #10331620
Mileage unknown · May 13, 2010
Electrical System
TL*THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT ALL THE COMPONENTS ON THE INSTRUMENT PANEL BEGAN TO FAIL ONE BY ONE UNTIL NOTHING ON THE INSTRUMENT PANEL FUNCTIONED AT ALL. THE VEHICLE HAD NOT BEEN INSPECTED AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS UNKNOWN. THE CURRENT MILEAGE WAS APPROXIMA…
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TL*THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT ALL THE COMPONENTS ON THE INSTRUMENT PANEL BEGAN TO FAIL ONE BY ONE UNTIL NOTHING ON THE INSTRUMENT PANEL FUNCTIONED AT ALL. THE VEHICLE HAD NOT BEEN INSPECTED AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS UNKNOWN. THE CURRENT MILEAGE WAS APPROXIMATELY 130,000. UPDATED 11/03/10. *LJ
NHTSA ODI #10330347
47,717 miles · May 13, 2010
Electrical System
TL*THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONSUMER STATED THE VEHICLE WAS AT A STOP, BUT STILL RUNNING. THE CONTACT NOTICED THAT ALL THE LIGHTS ON THE INSTRUMENT PANEL HAD SUDDENLY ILLUMINATED. HE TURNED THE VEHICLE OFF AND NOTICED THAT NEITHER THE WINDOWS NOR DOORS WOULD NOT UNLOCK. THE VEHICLE WAS TAKEN TO AN AUTHO…
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TL*THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONSUMER STATED THE VEHICLE WAS AT A STOP, BUT STILL RUNNING. THE CONTACT NOTICED THAT ALL THE LIGHTS ON THE INSTRUMENT PANEL HAD SUDDENLY ILLUMINATED. HE TURNED THE VEHICLE OFF AND NOTICED THAT NEITHER THE WINDOWS NOR DOORS WOULD NOT UNLOCK. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE THE IGNITION SWITCH WAS REPLACED. THE CURRENT AND FAILURE MILEAGES WERE 47,717. UPDATED 7/16/10 *CN AT ONE POINT THE CONSUMER WAS UNABLE TO OPEN ANY OF THE DOORS AND HAD TO TURN THE VEHICLE COMPLETELY OFF. ONCE HE TURNED THE VEHICLE BACK ON, EVERYTHING OPERATED AS NORMAL. THE DEALER STATED THERE WAS AN INTERNAL FAILURE IN THE IGNITION SWITCH. UPDATED 07/21/10*JB
NHTSA ODI #10330308
Mileage unknown · May 12, 2010
Electrical System
2004 CHEVROLET TRAILBLAZER. CONSUMER STATES THAT HE WAS TRAPPED IN THE CAR EVEN AFTER PRESSING THE UNLOCK BUTTON. THE DOOR SAND WINDOWS WOULD NOT OPEN. *GR THE CONSUMER STATED WHILE DRIVING, ALL OF THE DASH LIGHTS ILLUMINATED,AND WERE NOT WORKING. THE GAS GAUGE READ EMPTY ETC. UPON ARRIVING AT HIS DESTINATION, THE DOORS AND WIN…
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2004 CHEVROLET TRAILBLAZER. CONSUMER STATES THAT HE WAS TRAPPED IN THE CAR EVEN AFTER PRESSING THE UNLOCK BUTTON. THE DOOR SAND WINDOWS WOULD NOT OPEN. *GR THE CONSUMER STATED WHILE DRIVING, ALL OF THE DASH LIGHTS ILLUMINATED,AND WERE NOT WORKING. THE GAS GAUGE READ EMPTY ETC. UPON ARRIVING AT HIS DESTINATION, THE DOORS AND WINDOWS WOULD NOT OPEN, DESPITE PRESSING THE UNLOCK BUTTON. THE CONSUMER AND HIS OCCUPANTS WERE TRAPPED IN THE VEHICLE. THE CONSUMER TURNED THE ENGINE OFF AND BACK ON AGAIN, AND EVERYTHING WORKED. THE CONSUMER STATED THE INCIDENT HAPPENED SEVERAL TIMES FOR SEVERAL DAYS. ACCORDING TO THE INVOICE, THERE WAS AN INTERNAL FAILURE IN THE LIFTGATE MODULE WHICH CAUSED THE DOOR LOCKS TO MALFUNCTION. THE DASH LIGHTS ILLUMINATING WAS THE RESULT OF AN INTERNAL FAILURE IN THE IGNITION SWITCH. *JB
NHTSA ODI #10329651
59,500 miles · May 9, 2010
Electrical System
THE SPEEDOMETER ON MY 2004 TRAILBLAZER IS BROKEN, IT DOES NOT GO BELOW 90MPG, SO 90 IS MY NEW 0. THIS JUST HAPPENED AND FROM LOOKING INTO IT IS VERY COMMON. THIS IS VERY COSTLY TO FIX AND A SAFETY HAZARD AND SHOULD BE A RECALL. GM HAD RECALLS ON IT'S OTHER SUV'S FOR THE SAME ISSUE. *TR
NHTSA ODI #10329488
35,000 miles · May 8, 2010
Electrical System
THE GAUGES ON MY 2004 DID NOT WORK THE TACHOMETER I SEE THERE ARE MANY COMPLAINTS FOR THIS,. I WANT TO HAVE IT FIXED BEFORE THE SPEEDOMETER STOPS WORKING TOO. *TR
NHTSA ODI #10329373
70,000 miles · Apr 29, 2010
Electrical System
INSTRUMENT PANEL HAS RPM AND SPEEDOMETER DISPLAYING INCORRECT METRICS. RPM DISPLAYS ZERO; SPEEDOMETER DISPLAYS INCORRECT SPEED. CHEVY DEALERSHIP SERVICE DEPARTMENT SAYS KNOWN ISSUE FOR TAHOE MODEL. SERVICE REPRESENTATIVE SAID 2004 CHEVROLET TRAILBLAZER "INSTRUMENT CLUSTER" IS THE ISSUE BUT YOUR MAKE AND MODEL IS NOT ON THE RE…
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INSTRUMENT PANEL HAS RPM AND SPEEDOMETER DISPLAYING INCORRECT METRICS. RPM DISPLAYS ZERO; SPEEDOMETER DISPLAYS INCORRECT SPEED. CHEVY DEALERSHIP SERVICE DEPARTMENT SAYS KNOWN ISSUE FOR TAHOE MODEL. SERVICE REPRESENTATIVE SAID 2004 CHEVROLET TRAILBLAZER "INSTRUMENT CLUSTER" IS THE ISSUE BUT YOUR MAKE AND MODEL IS NOT ON THE RECALL LIST SO IT WILL COST ABOUT $500. *TR
NHTSA ODI #10328096
78,000 miles · Apr 27, 2010
Electrical System
INSTRUMENT CLUSTER GAUGES AND LIGHTS GO HAYWIRE. RADIO SHUTS OFF, SECURITY LIGHT COMES ON AND ALARM SOUNDS. SPEEDO AND TACH CONTINUE TO WORK FINE. *TR
NHTSA ODI #10327808
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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