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2004 GMC Envoy Xl

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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When problems were reported

Mileage at the reported incident

145 reports with mileage · 42 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 81 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports6 fire reports6 injury reports

What owners actually said

187 reports
80,000 miles · Dec 7, 2009
Electrical System

SPEEDOMETER WENT COMPLETELY OUT WHILE DRIVING A FEW MONTHS BACK, THOUGH IT WILL JUMP AROUND FROM TIME TO TIME. *TR

NHTSA ODI #10294688

57,000 miles · Dec 3, 2009
Electrical System

BOUGHT MY 2004 GMC ENVOY IN MAY 2009. AFTER ABOUT A MONTH AND A HALF OF DRIVING IT, ALL DASH GAUGES STARTED WORKING INTERMITTENTLY, AND THE WARNING BELL WOULD GO OFF, AND ALL WARNING LIGHTS STARTED FLASHING. SHORTLY AFTER THAT BEGAN, ALL GAUGES QUIT WORKING ALL TOGETHER EVERY OTHER TIME I WOULD START THE VEHICLE. TOOK THE VEH…

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BOUGHT MY 2004 GMC ENVOY IN MAY 2009. AFTER ABOUT A MONTH AND A HALF OF DRIVING IT, ALL DASH GAUGES STARTED WORKING INTERMITTENTLY, AND THE WARNING BELL WOULD GO OFF, AND ALL WARNING LIGHTS STARTED FLASHING. SHORTLY AFTER THAT BEGAN, ALL GAUGES QUIT WORKING ALL TOGETHER EVERY OTHER TIME I WOULD START THE VEHICLE. TOOK THE VEHICLE IN FOR REPAIR, THEY REPLACED IGNITION SWITCH AND HALF WAY HOME FROM THE REPAIR SHOP, IT ALL STARTED OVER AGAIN. BEEN DOING IT EVER SINCE. *TR

NHTSA ODI #10294342

71,000 miles · Nov 30, 2009
Tires

ONE MORNING, I HAD A FLAT TIRE, THE TIRE WAS TAKEN OFF THE VEHICLE, AND TAKEN TO SEARS AUTO CENTER. VISUAL INSPECTION REVEALED NO PUNCTURES OR REASON FOR THE FLAT. FURTHER INSPECTION SHOWED THE VALVE STEM HAD A LARGE CRACK CLOSE TO THE TIRE ITSELF. NEEDED TO REPLACE THE VALVE STEM. BROUGHT VEHICLE HOME, AND LEFT IN GARAGE F…

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ONE MORNING, I HAD A FLAT TIRE, THE TIRE WAS TAKEN OFF THE VEHICLE, AND TAKEN TO SEARS AUTO CENTER. VISUAL INSPECTION REVEALED NO PUNCTURES OR REASON FOR THE FLAT. FURTHER INSPECTION SHOWED THE VALVE STEM HAD A LARGE CRACK CLOSE TO THE TIRE ITSELF. NEEDED TO REPLACE THE VALVE STEM. BROUGHT VEHICLE HOME, AND LEFT IN GARAGE FOR THE WEEKEND, WHEN TAKING THE VEHICLE OUT OF THE GARAGE ON MONDAY MORNING, THOUGHT THE STEERING WAS NOT AS USUAL. STOPPED THE VEHICLE, AND SAW ANOTHER TIRE WAS GOING FLAT. THEN CHECKED THE OTHER THREE TIRES, AND SAW ALL THREE VALVE STEMS HAD CRACKS IN THEM. VEHICLE TAKEN TO FIRESTONE AUTO CARE FOR REPLACEMENT OF THE VALVE STEMS. THE TIRES HAD BEEN REPLACED ON THE VEHICLE IN NOVEMBER, 2007. ALTHOUGH THE REPAIR SHOPS DID NOT SAY WHY VALVE STEMS WOULD HAVE FAILED IN SUCH A SHORT TIME OF EACH OTHER, I WONDER IF THIS MAY BE PART OF THE SAFETY RECALL DONE FOR DEFECTIVE PARTS FROM DILL AIR CONTROLS. ALTHOUGH THE TIRES WERE PURCHASED AFTER THE DATE INDICATED COULD THERE STILL BE DEFECTIVE VALVE STEMS WHICH WERE STILL BEING USED ON TIRES? SEARS ONLY SAID THE VALVE STEM WAS NOT COVERED BY WARRANTY. *TR

NHTSA ODI #10293970

Mileage unknown · Nov 18, 2009
Engine And Engine Cooling

I PURCHASED AN USED 2004 GMC ENVOY XL IN 2005 WITH WARRANTY. ABOUT A YEAR BEGAN EXPERIENCING PROBLEMS TOOK TO DEALER WAS TOLD ENGINE HAD TO BE REPLACED DUE TO HEAD BOLT BREAKING. AT THIS TIME I ONLY PAID MY DEDUCTIBLE AS IT WAS COVERED UNDER THE MANF WARRANTY. NOW 3 YEARS LATER, I BEGAN TO EXPERIENCE PROBLEMS. ENGINE LIGHT ONE…

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I PURCHASED AN USED 2004 GMC ENVOY XL IN 2005 WITH WARRANTY. ABOUT A YEAR BEGAN EXPERIENCING PROBLEMS TOOK TO DEALER WAS TOLD ENGINE HAD TO BE REPLACED DUE TO HEAD BOLT BREAKING. AT THIS TIME I ONLY PAID MY DEDUCTIBLE AS IT WAS COVERED UNDER THE MANF WARRANTY. NOW 3 YEARS LATER, I BEGAN TO EXPERIENCE PROBLEMS. ENGINE LIGHT ONE TOOK TO MECHANIC (WARRANTY HAS EXPIRED) WAS TOLD ENGINE NEEDS TO BE REPLACED. SEEMS IT'S THE SAME PROBLEM IT HAD WITH PRIOR ENGINE. *TR

NHTSA ODI #10292722

57,600 miles · Aug 22, 2009
Electrical System

SPEEDOMETER STUCK AT 54 MPH, REGARDLESS OF SPEED. MOVED TO 95 MPH AND STUCK THERE. MOVED TO 120 MPH AND STUCK THERE. MOVED BACK TO 95 MPH AND STUCK THERE. *TR

NHTSA ODI #10281403

125,000 miles · Jul 6, 2009
Electrical System

SPEEDOMETER IS ACTING ERRATICALLY. *TR

NHTSA ODI #10275898

30,125 miles · Apr 13, 2009
Electrical System

04/12/2009 THE SPEEDOMETER JUMPED TO 110 MPH WHILE ONLY DRIVING ABOUT 25 MPH. TURN THE CAR OFF AND IT STAYED AT 110. TURN ON AGAIN AND WHILE DRIVE ABOUT FORTY MPH IT SHOWS 150 ISH. CALL THE DEALER AND REPLACEMENT IS OVER $400 TO REPLACE THE PART (ASSUMING THAT THIS IS THE FIX). EXTENSIVE RESEARCH AND THE AMOUNT OF COMPLAINTS ON …

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04/12/2009 THE SPEEDOMETER JUMPED TO 110 MPH WHILE ONLY DRIVING ABOUT 25 MPH. TURN THE CAR OFF AND IT STAYED AT 110. TURN ON AGAIN AND WHILE DRIVE ABOUT FORTY MPH IT SHOWS 150 ISH. CALL THE DEALER AND REPLACEMENT IS OVER $400 TO REPLACE THE PART (ASSUMING THAT THIS IS THE FIX). EXTENSIVE RESEARCH AND THE AMOUNT OF COMPLAINTS ON THIS SITE, THIS IS A RATHER LARGE PROBLEM THAT HAS EFFECTED A LARGE QUANTITY OF GM OWNERS. THIS SEEMS TO BE A DEFECTIVE PART THAT HAPPENS GENERALLY RIGHT AFTER THE WARRANTY RUNS OUT. GO FIGURE. *TR

NHTSA ODI #10265134

48,000 miles · Apr 8, 2009
Electrical System

I HAVE A 2004 GMC ENVOY THAT THE INSTRUMENT CLUSTER WENT BAD ON AND THE DEALER WANT $900.00 TO REPAIR. ON THE INTERNET THAT THERE ARE ALOT OF GMC SUV'S WITH THE SAME PROBLEM. I, AS WELL, HAVE BEEN FIGHTING WITH GM FOR REPLACEMENT OF THE INSTRUMENT PANEL ON MY 2004 ENVOY. THE CAR HAD 48K MILES ON IT WHEN THE PROBLEM STARTED, BUT…

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I HAVE A 2004 GMC ENVOY THAT THE INSTRUMENT CLUSTER WENT BAD ON AND THE DEALER WANT $900.00 TO REPAIR. ON THE INTERNET THAT THERE ARE ALOT OF GMC SUV'S WITH THE SAME PROBLEM. I, AS WELL, HAVE BEEN FIGHTING WITH GM FOR REPLACEMENT OF THE INSTRUMENT PANEL ON MY 2004 ENVOY. THE CAR HAD 48K MILES ON IT WHEN THE PROBLEM STARTED, BUT IT HAD 56K WHEN IT WAS TAKEN TO THE DEALERSHIP. IT WAS REQUIRED THAT I HAVE THE PROBLEM OFFICIALLY DIAGNOSED, WHICH COST ME $85. I WAS ASSURED THAT I WOULD GET THAT AMOUNT CREDITED TOWARD THE FIX. SCHEDULED TO GET YET ANOTHER UPDATE CALL FROM GM TOMORROW. SHORTLY AFTER I PAID OUT THE $85 AND SENT THEM MY INFORMATION, I RECEIVED BOTH AN EMAIL AND A PHONE CALL SAYING "SORRY, WE CAN'T OFFER ANY ASSISTANCE". I CALLED THEM RIGHT BACK TO ESCALATE IT FURTHER. I'M PUSHING IT AS FAR AS I CAN. THE REPRESENTATIVE TOLD ME THAT THERE HAVEN'T BEEN ENOUGH COMPLAINTS WITH THE ENVOYS YET, ALTHOUGH SHE ADMITTED THAT THERE HAVE BEEN A LOT, AND BECAUSE OF THIS OBVIOUS PROBLEM, THE CASES WOULD BE HANDLED ON AN INDIVIDUAL BASIS AT THIS POINT. WHAT MORE PROOF DO WE NEED? *TR

NHTSA ODI #10264485

64,328 miles · Feb 19, 2009
Electrical System

THE SPEEDOMETER QUIT WORKING CORRECTLY, WHEN I FIRST NOTICED IT MY SPEEDOMETER SAID I WAS GOING 120MPH AND I WAS IN TOWN IN A 35MPH ZONE. I HAD MY GPS DEVICE ON AND IT SHOWED THAT I WAS ACTUALLY GOING 35MPH. AFTER STOPPING AT A STOP LIGHT THE SPEEDOMETER STATED THAT I WAS STILL TRAVELING AT A SPEED OF 75 MPH, AND THAT WAS INCO…

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THE SPEEDOMETER QUIT WORKING CORRECTLY, WHEN I FIRST NOTICED IT MY SPEEDOMETER SAID I WAS GOING 120MPH AND I WAS IN TOWN IN A 35MPH ZONE. I HAD MY GPS DEVICE ON AND IT SHOWED THAT I WAS ACTUALLY GOING 35MPH. AFTER STOPPING AT A STOP LIGHT THE SPEEDOMETER STATED THAT I WAS STILL TRAVELING AT A SPEED OF 75 MPH, AND THAT WAS INCORRECT BECAUSE I WAS SITTING STILL AT THE LIGHT. ALSO, AFTER TURNING OFF THE VEHICLE IT STILL REGISTERED A RATE OF SPEED OF 75 MPH. THERE ARE SOME DAYS THAT THE SPEEDOMETER WORKS FOR A WHILE AND THEN IT GOES CRAZY. ANOTHER EXAMPLE, IT SOMETIMES SHOWS THAT I AM GOING AT A RATE OF SPEED OF 0 MPH AND I KNOW THAT I AM AT LEAST GOING 55 MPH. THIS IS COMPLETELY UNSAFE. UPON CONTACTING THE GM SERVICE CENTER THEY STATED THEY THOUGHT IT MIGHT BE THE INSTRUMENT CLUSTER NEEDING REPLACED, BUT IF THAT WOULD BE THE CASE THE OTHER GAUGES WOULD NOT WORK PROPERLY. SO FAR THE ONLY THING THAT IS MESSED UP IS THE SPEEDOMETER. I HAVE NOT BEEN ABLE TO CORRECT THE FAILURE AS THE SERVICE CENTER TOLD ME OVER THE PHONE THAT IT WOULD COST ME AROUND $300.00 OR MORE AND THEY WANT TO REPLACE THE ENTIRE INSTRUMENT PANEL, WHICH IN MY OPINION DOES NOT NEED REPLACED....ONLY THE SPEEDOMETER NEEDS REPLACED/REPAIRED. *TR

NHTSA ODI #10259301

65,000 miles · Feb 8, 2009
Electrical System

MY 2004 GMC ENVOY SPEEDOMETER AND GAS GAUGE HAS GONE BAD. IT WILL NOT ZERO OUT AND OPERATES ERRATICALLY. *TR

NHTSA ODI #10258002

Official recalls

1

04V527000 · Exterior Lighting:brake Lights

Nov 1, 2004

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.

Consequence & remedy

Consequence: 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 WILL NOT CONVEY THE DRIVER'S INTENTION TO TURN TO DRIVERS IN FOLLOWING VEHICLES. BOTH OF THESE FAILURES CAN INCREASE THE RISK OF A CRASH.

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 AT 1-800-630-2438, OLDSMOBILE AT 1-800-630-6537, BUICK AT 1-866-608-8080, OR GMC AT 1-866-996-9463.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

4

RQ17002 · 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.

PE05006 · Turn Signal Failures

Opened Feb 4, 2005 · Closed May 6, 2005

Status: closed (inferred from source dates) · Exterior Lighting:turn Signal; Exterior Lighting:turn Signal:flasher Unit; Exterior Lighting:turn Signal:switch

BY LETTER DATED APRIL 29, 2005, GM NOTIFIED THE AGENCY THAT IT IS CONDUCTING ASAFETY RECALL ( NHTSA RECALL NO. 05V198 ) INVOLVING CERTAIN MODEL YEARS (MY) 2003-2004 ISUZU ASCENDER, CHEVROLET TRAILBLAZER, GMC ENVOY, OLDSMOBILE BRAVADA AND MY 2004 BUICK RAINER VEHICLES.THE RECALL APPLIES TO VEHICLES BUILT FROM APRIL 2003 THROUGH NOVEMBER 2003 FOR A TOTAL VEHICLE POPULATION OF 286,478.GM REPORTS THE DIRECTIONAL/HAZARD SIGNALS FAILURE IS DUE TO STICKING CONTACTS ON ROUTING RELAYS IN THE FLASHER MODULE.GM WILL REPLACE THE FLASHER MODULE ON ALL INVOLVED VEHICLES.BASED ON GM'S SAFETY RECALL ACTION, THIS INVESTIGATION IS CLOSED.

Additional source detail variants (3)

Exterior Lighting:turn Signal:flasher Unit

BY LETTER DATED APRIL 29, 2005, GM NOTIFIED THE AGENCY THAT IT IS CONDUCTING ASAFETY RECALL ( NHTSA RECALL NO. 05V198 ) INVOLVING CERTAIN MODEL YEARS (MY) 2003-2004 ISUZU ASCENDER, CHEVROLET TRAILBLAZER, GMC ENVOY, OLDSMOBILE BRAVADA AND MY 2004 BUICK RAINER VEHICLES.THE RECALL APPLIES TO VEHICLES BUILT FROM APRIL 2003 THROUGH NOVEMBER 2003 FOR A TOTAL VEHICLE POPULATION OF 286,478.GM REPORTS THE DIRECTIONAL/HAZARD SIGNALS FAILURE IS DUE TO STICKING CONTACTS ON ROUTING RELAYS IN THE FLASHER MODULE.GM WILL REPLACE THE FLASHER MODULE ON ALL INVOLVED VEHICLES.BASED ON GM'S SAFETY RECALL ACTION, THIS INVESTIGATION IS CLOSED.

Exterior Lighting:turn Signal

BY LETTER DATED APRIL 29, 2005, GM NOTIFIED THE AGENCY THAT IT IS CONDUCTING ASAFETY RECALL ( NHTSA RECALL NO. 05V198 ) INVOLVING CERTAIN MODEL YEARS (MY) 2003-2004 ISUZU ASCENDER, CHEVROLET TRAILBLAZER, GMC ENVOY, OLDSMOBILE BRAVADA AND MY 2004 BUICK RAINER VEHICLES.THE RECALL APPLIES TO VEHICLES BUILT FROM APRIL 2003 THROUGH NOVEMBER 2003 FOR A TOTAL VEHICLE POPULATION OF 286,478.GM REPORTS THE DIRECTIONAL/HAZARD SIGNALS FAILURE IS DUE TO STICKING CONTACTS ON ROUTING RELAYS IN THE FLASHER MODULE.GM WILL REPLACE THE FLASHER MODULE ON ALL INVOLVED VEHICLES.BASED ON GM'S SAFETY RECALL ACTION, THIS INVESTIGATION IS CLOSED.

Exterior Lighting:turn Signal:switch

BY LETTER DATED APRIL 29, 2005, GM NOTIFIED THE AGENCY THAT IT IS CONDUCTING ASAFETY RECALL ( NHTSA RECALL NO. 05V198 ) INVOLVING CERTAIN MODEL YEARS (MY) 2003-2004 ISUZU ASCENDER, CHEVROLET TRAILBLAZER, GMC ENVOY, OLDSMOBILE BRAVADA AND MY 2004 BUICK RAINER VEHICLES.THE RECALL APPLIES TO VEHICLES BUILT FROM APRIL 2003 THROUGH NOVEMBER 2003 FOR A TOTAL VEHICLE POPULATION OF 286,478.GM REPORTS THE DIRECTIONAL/HAZARD SIGNALS FAILURE IS DUE TO STICKING CONTACTS ON ROUTING RELAYS IN THE FLASHER MODULE.GM WILL REPLACE THE FLASHER MODULE ON ALL INVOLVED VEHICLES.BASED ON GM'S SAFETY RECALL ACTION, THIS INVESTIGATION IS CLOSED.

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.