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2004 GMC Envoy

Owner reports · Recalls · Investigations

More warning signs than most Envoy years

Owner complaints for the 2004 GMC Envoy are substantially higher than the model-year median of 22.

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When problems were reported

Mileage at the reported incident

288 reports with mileage · 79 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 164 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Exterior Lighting. Review the 39 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 38 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

25 crash reports11 fire reports22 injury reports

Power Train complaints

15 reports
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196,425 miles · Nov 21, 2019
Fuel/propulsion SystemPower TrainUnknown Or Other

THE TRANSMISSION STARTED TO SLIP, NOTICED IT STARTING TO HAVE ISSUES GETTING UP TO PROPER SPEED WITHOUT SLIPPING AND TRYING TO STALL, AND WAS TOLD BY PREVIOUS OWNER WHOM I'M PURCHASING IT FROM THAT THERE IS A POSSIBLE ISSUE WITH THE TRANSFER CASE AS WELL, AS IT ENGAGES IT'S 4 WHEEL DRIVE WITHOUT ME TOUCHING IT, TRIED TO SERVICE …

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THE TRANSMISSION STARTED TO SLIP, NOTICED IT STARTING TO HAVE ISSUES GETTING UP TO PROPER SPEED WITHOUT SLIPPING AND TRYING TO STALL, AND WAS TOLD BY PREVIOUS OWNER WHOM I'M PURCHASING IT FROM THAT THERE IS A POSSIBLE ISSUE WITH THE TRANSFER CASE AS WELL, AS IT ENGAGES IT'S 4 WHEEL DRIVE WITHOUT ME TOUCHING IT, TRIED TO SERVICE THE TRANSMISSION AND PUT FRESH FLUID AND A NEW FILTER IN TO SEE IF IT WOULD HELP AND NOW IT CAN ONLY GO AS FAST AS 40 TO 55 BEFORE IT STARTS TO SLIP PRETTY BAD. I HAVE A BABY ON THE WAY DUE IN THE NEXT COUPLE WEEKS AND WITH IT SLIPPING AND DROPPING SPEED IT CAN CAUSE ME TO END UP GETTING HIT AND I DON'T WANT TO PUT MINE, MY CHILD, OR ANY OF MY OTHER PASSENGERS IN DANGER.

NHTSA ODI #11281475

133,000 miles · Jul 23, 2016
Power Train

GEAR SHIFTER MOVES FREELY UP AND DOWN, BUT WILL NOT ENGAGE THE GEARS IN ORDER FOR THE VEHICLE TO MOVE.

NHTSA ODI #10887928

Mileage unknown · Aug 9, 2014
Electrical SystemPower Train

VEHICLE IS STUCK IN PARK, ON THE DASH BOARD IT SHOW THE VEHICLE IN REVERSE. INSTRUMENT CLUSTER IS NOT WORKING PROPERLY, TACH GAUGE NOT READING CORRECTLY. TEMPERATURE GAUGE DOES NOT WORK AT ALL. FORWARD AIR VENTS DO NOT WORK ALL. *TR

NHTSA ODI #10621171

44,386 miles · Jul 8, 2009
Electrical SystemPower Train

TL*THE CONTACT OWNS A 2004 GMC ENVOY. THE CONTACT STATED THAT THE SPEEDOMETER AND FUEL GAUGE BECAME INOPERABLE. THE DEALER ESTIMATED THAT THE REPAIR WOULD COST $500 AT THE CONTACT'S EXPENSE. ON A SEPARATE OCCASION, THE VEHICLE WOULD ONLY SHIFT INTO FIRST AND SECOND GEAR AND WOULD NOT ACCELERATE OVER 35 MPH. IN ADDITION, THE …

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TL*THE CONTACT OWNS A 2004 GMC ENVOY. THE CONTACT STATED THAT THE SPEEDOMETER AND FUEL GAUGE BECAME INOPERABLE. THE DEALER ESTIMATED THAT THE REPAIR WOULD COST $500 AT THE CONTACT'S EXPENSE. ON A SEPARATE OCCASION, THE VEHICLE WOULD ONLY SHIFT INTO FIRST AND SECOND GEAR AND WOULD NOT ACCELERATE OVER 35 MPH. IN ADDITION, THE RPMS WOULD REV HIGHER THAN NORMAL AND THE VEHICLE WOULD HESITATE WHEN ATTEMPTING TO PICK UP SPEED. THE CONTACT HEARD A LOUD HUMMING NOISE UNDER THE HOOD WHEN ATTEMPTING TO ACCELERATE. THE DEALER STATED THAT A NEW TRANSMISSION WAS NEEDED. THE REPAIR WOULD COST OVER $2,000. AN INDEPENDENT MECHANIC STATED THAT HE COULD REBUILD THE TRANSMISSION. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 44,386 UPDATED 07/28/09 *BF THE TRANSMISSION FAILED AT 58,000 MILES. UPDATED 07/31/09.*JB

NHTSA ODI #10276141

57,000 miles · Dec 9, 2008
Power TrainService Brakes, Hydraulic

BOUGHT "CERTIFIED USED" ENVOY IN OCTOBER OF 07. TRANSMISSION COMPLETELY STOPPED AT 57K MILES 3 MONTHS AFTER PURCHASE. CHECK ENGINE LIGHT COMES ON AND OFF EVERY COUPLE DAYS(HAVE VIDEO, BUT SANDY SANSING OF PENSACOLA FLORIDA SAYS THERE NOTHING WRONG) VEHICLE JERKS AT STOPS AND STARTS. AFTER 3 TRIPS TO DEALERSHIP W/ "NOTHING WRONG"…

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BOUGHT "CERTIFIED USED" ENVOY IN OCTOBER OF 07. TRANSMISSION COMPLETELY STOPPED AT 57K MILES 3 MONTHS AFTER PURCHASE. CHECK ENGINE LIGHT COMES ON AND OFF EVERY COUPLE DAYS(HAVE VIDEO, BUT SANDY SANSING OF PENSACOLA FLORIDA SAYS THERE NOTHING WRONG) VEHICLE JERKS AT STOPS AND STARTS. AFTER 3 TRIPS TO DEALERSHIP W/ "NOTHING WRONG" THEY FINALLY DECIDED THAT A O2 SENSOR WAS BAD AT 71K. ENVOY HAD BEEN BACK IN THE SHOP AT A COST OF 80.00 BUCKS TWICE SINCE THEN BECAUSE OF THE "CHECK ENGINE" LIGHT AND THE BRAKES ARE FAILING, THE "ABS BRAKE" LIGHT DOESN'T COME ON SO THEY SAY IT CANT BE THE BRAKES. WHEN TRYING TO STOP THE BRAKES STOP WORKING AND A SECOND LATER THEY WILL CATCH AND BEGIN TO STOP VEHICLE, AS IF THE BRAKE SYSTEM IS OBSTRUCTED AND SKIPS A FEW TIMES. THE CHECK ENGINE LIGHT FLASHES FOR THOSE FEW SECONDS BUT DOESN'T STAY ON LONG AND THEY SAY IT ISN'T THROWING ANY CODES. PROBLEM DOESN'T HAPPEN EVERYDAY SO THE DEALERSHIP HAS SAID ITS A UNFOUNDED PROBLEM. THE THERMOSTATS ASSEMBLY WITH OTHER PARTS HAVE BEEN REPLACED. HAVE ALL RECEIPTS AND DATES THAT I'VE TAKEN THIS POS INTO THE DEALERSHIP. I WILL NEVER BUY ANOTHER GMC VEHICLE. I HAVE A 10 YEAR OLD PICKUP TRUCK ALSO AND HAS ONLY BEEN IN THE SHOP ONCE. THERE'S NO EXCUSE THAT WE ARE DRIVING THESE (EXPENSIVE) UNSAFE VEHICLES!! *TR

NHTSA ODI #10251236

52,450 miles · Apr 24, 2008
Power TrainSteering

WE COMPLAINED ABOUT THE TRANSMISSION SLIPPING AT 33,000 MILES AND TAKE IT BACK TO THE DEALER THEY SAY THE CHECKED THE PROBLEM AND REPLACED AN ELECTRICAL COMPONENT, AT 50K WHILE MY WIFE WAS DRIVING ON THE HIGHWAY AT 65MPH LOST THE POWER TRAIN. AFTER MUCH DISCUSSION AND THREE WEEKS THE DEALER FINALLY AGREED TO FIX FOR 500 VICE 330…

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WE COMPLAINED ABOUT THE TRANSMISSION SLIPPING AT 33,000 MILES AND TAKE IT BACK TO THE DEALER THEY SAY THE CHECKED THE PROBLEM AND REPLACED AN ELECTRICAL COMPONENT, AT 50K WHILE MY WIFE WAS DRIVING ON THE HIGHWAY AT 65MPH LOST THE POWER TRAIN. AFTER MUCH DISCUSSION AND THREE WEEKS THE DEALER FINALLY AGREED TO FIX FOR 500 VICE 3300 WHICH THEY WANTED. A WEEK LATER THE TRANSMISSION IS SLIPPING AGAIN AND NOW WE LOST POWER STEERING AND THE GAS NEEDLE STOPPED WORKING. I HAVE LEFT MESSAGES FOR THE SERVICE MANAGER AT WIESNER GMC IN CONROE TX AND THEY HAVE NOT RETURNED ANY CALLS. I AM NOW TAKING THE VEHICLE TO A DIFFERENT MECHANIC TO TRIED TO GET IT REPAIRED. *TR

NHTSA ODI #10225565

71,838 miles · Mar 28, 2008
Power Train

TL*THE CONTACT OWNS A 2004 GMC ENVOY. WHILE MAKING A TURN AT 40 MPH, THE CONTACT HEARD A LOUD BOOM AND A GRINDING NOISE. SHE HAD THE VEHICLE TOWED TO HER MECHANIC AND THEN TO THE DEALER. THE DEALER STATED THAT THE FRONT DRIVER SIDE DIFFERENTIAL CASING WAS CRACKED. THE PURCHASE DATE WAS UNKNOWN. THE CURRENT AND FAILURE MILEA…

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TL*THE CONTACT OWNS A 2004 GMC ENVOY. WHILE MAKING A TURN AT 40 MPH, THE CONTACT HEARD A LOUD BOOM AND A GRINDING NOISE. SHE HAD THE VEHICLE TOWED TO HER MECHANIC AND THEN TO THE DEALER. THE DEALER STATED THAT THE FRONT DRIVER SIDE DIFFERENTIAL CASING WAS CRACKED. THE PURCHASE DATE WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 71,838.

NHTSA ODI #10222599

64,000 miles · Apr 29, 2007
Engine And Engine CoolingPower TrainVehicle Speed Control

I WAS DRIVING IN TOWN AND MY SPEEDOMETER STOPPED WORKING AT 0. THE OIL GAUGE IS NOT WORKING, PEGGED OUT AT THE MAX AND MY ENGINE LIGHT IS NOW CONSTANTLY ON. THESE EVENTS, PARTICULARLY THE SPEEDOMETER NOT WORKING, IS A MAJOR SAFETY HAZARD. NOT DRIVING AT CONTROLLABLE SPEEDS CAN LEAD TO AN ACCIDENT AND DEATH. THE PARTS AND LAB…

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I WAS DRIVING IN TOWN AND MY SPEEDOMETER STOPPED WORKING AT 0. THE OIL GAUGE IS NOT WORKING, PEGGED OUT AT THE MAX AND MY ENGINE LIGHT IS NOW CONSTANTLY ON. THESE EVENTS, PARTICULARLY THE SPEEDOMETER NOT WORKING, IS A MAJOR SAFETY HAZARD. NOT DRIVING AT CONTROLLABLE SPEEDS CAN LEAD TO AN ACCIDENT AND DEATH. THE PARTS AND LABOR TO FIX THIS PROBLEM IS $550. WHILE RESEARCHING THIS PROBLEM ON THE INTERNET, I'VE FOUND OUT THAT THIS IS A COMMON PROBLEM WITH GMC'S IN THIS YEAR. THERE SHOULD BE A RECALL WITH THE CLUSTER UNIT ON 2004 GMC ENVOYS. GMC SHOULD TRY TO PREVENT DEATHS THAT THEIR PRODUCTS MAY CREATE. *TR

NHTSA ODI #10189219

55,453 miles · Mar 19, 2007
Power Train

TL* THE CONTACT OWNS A 2004 GMC ENVOY. WHILE DRIVING 55 MPH, THE DRIVER HEARD A LOUD NOISE IN THE FRONT OF THE VEHICLE. THE GEAR SHIFTS FROM NORMAL TO 4 WHEEL DRIVE. THE DEALER INFORMED THE CONTACT THAT THE FRONT DIFFERENTIAL WAS CRACKED AND NEEDED TO BE REPLACED. THE VEHICLE WAS DIAGNOSED FOR A SECOND OPINION AND THE MECH…

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TL* THE CONTACT OWNS A 2004 GMC ENVOY. WHILE DRIVING 55 MPH, THE DRIVER HEARD A LOUD NOISE IN THE FRONT OF THE VEHICLE. THE GEAR SHIFTS FROM NORMAL TO 4 WHEEL DRIVE. THE DEALER INFORMED THE CONTACT THAT THE FRONT DIFFERENTIAL WAS CRACKED AND NEEDED TO BE REPLACED. THE VEHICLE WAS DIAGNOSED FOR A SECOND OPINION AND THE MECHANIC AGREED WITH THE PREVIOUS FAILURE INCLUDING THAT THERE WAS NO OIL IN THE DIFFERENTIAL. THE CONTACT STATED THAT SHE HAS FILED A COMPLAINT## 71-492693494 WITH THE MANUFACTURER. THE CONTACT CAN PROVIDE PHOTOS IF NEEDED. THE DEALER ADVISED THE CONTACT THE VEHICLE CAN BE REPAIRED FOR A FEE. THE CURRENT AND FAILURE MILEAGE WERE 55453.

NHTSA ODI #10185517

9,430 miles · Dec 7, 2005
Power Train

DT: THE CONTACT STATED THE SERVICE BRAKE LIGHT ILLUMINATED IN THE DASHBOARD. WHILE DRIVING THE VEHICLE AND PRESSING ON THE ACCELERATOR PEDAL THE VEHICLE LOST POWER. THE VEHICLE WAS TAKEN TO THE DEALERSHIP FOR INSPECTION, AND THEY CHANGED THE FAN CLUTCH ASSEMBLY. THE VEHICLE IS STILL UNDER WARRANTY .*AK

NHTSA ODI #10144708

Official recalls

1

05V198000 · Exterior Lighting:turn Signal

May 5, 2005

ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO HAZARD WARNING, RATHER THAN FLASHING ON THE DESIRED SIDE ONLY.

Consequence & remedy

Consequence: THE DRIVER MAY NOT BE ABLE TO CLEARLY SIGNAL THEIR INTENTIONS TO TURN, CHANGE TRAVEL LANES, OR POTENTIALLY WARN OTHERS OF AN IMPAIRED VEHICLE OPERATING CONDITION INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE SUSPECT FLASHER MODULES WITH A NEW FLASHER MODULE DESIGNED WITH SEALED RELAYS AND MORE DURABLE CONTACT MATERIAL INSIDE OF THE RELAYS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2005. ISUZU BEGAN MAILING OWNER LETTERS ON AUGUST 4, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, ISUZU AT 1-800-255-6727, BUICK AT 1-866-608-8080, AND OLDSMOBILE AT 1-800-630-6537.

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.