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2003 GMC Envoy

Owner reports · Recalls · Investigations

More warning signs than most Envoy years

Owner complaints for the 2003 GMC Envoy are substantially higher than the model-year median of 22.

About this comparison →

When problems were reported

Mileage at the reported incident

297 reports with mileage · 96 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 77 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 64 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

42 crash reports8 fire reports27 injury reports

What owners actually said

393 reports
92,000 miles · Jun 14, 2011
Electrical System

TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT NOTICED THAT THE SPEEDOMETER WAS INOPERABLE AND SHE WAS UNABLE TO DETERMINE HOW FAST OR SLOW SHE WAS TRAVELING. THE DEALER ADVISED THE CONTACT TO BRING THE VEHICLE IN FOR SERVICE. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHO WAS UNABLE TO DUPLICATE THE FAILURE AND ADVISED …

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TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT NOTICED THAT THE SPEEDOMETER WAS INOPERABLE AND SHE WAS UNABLE TO DETERMINE HOW FAST OR SLOW SHE WAS TRAVELING. THE DEALER ADVISED THE CONTACT TO BRING THE VEHICLE IN FOR SERVICE. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHO WAS UNABLE TO DUPLICATE THE FAILURE AND ADVISED THE CONTACT TO TAKE THE VEHICLE TO THE DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE CURRENT AND FAILURE MILEAGE WAS 92,000.

NHTSA ODI #10406253

150,000 miles · May 13, 2011
Exterior Lighting

2003 ENVOY DRIVERS SIDE HEADLIGHT BULBS KEEP BURNING OUT . WIRES ARE BURNT AND TERMINAL HAS MELTED. THIS PAST WEEK BOTH HEADLIGHTS HAVE GONE OUT WHILE DRIVING TOOK VEHICLE TO DEALER THEY SAID THEY KNEW THERE WAS A PROBLEM WITH THE HEADLIGHT SOCKET BUT MY VEHICLE WASN'T ONE OF THE OF THE 308 OTHERS THAT WERE RECALLED. *TR

NHTSA ODI #10400725

Mileage unknown · May 9, 2011
Service Brakes, Hydraulic

BRAKE LINE FROM ANTI-LOCK BRAKE UNIT TO VEHICLE REAR RUSTING OUT CAUSING BRAKE FLUID LEAK. *TR

NHTSA ODI #10399572

70,000 miles · Apr 26, 2011
Visibility

TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT STATED THE WINDSHIELD WIPERS WILL NOT TURN OFF. THE VEHICLE WAS NOT TAKEN TO THE DEALER AND THE MANUFACTURER WAS CONTACTED WHO REFEREED WHO PROVIDED NO ASSISTANCE. THE CONTACT REFERENCED NHTSA CAMPAIGN ID NUMBER: 04V046000 (VISIBILITY: WINDSHIELD WIPER/WASHER) AND WAS ADVISED TH…

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TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT STATED THE WINDSHIELD WIPERS WILL NOT TURN OFF. THE VEHICLE WAS NOT TAKEN TO THE DEALER AND THE MANUFACTURER WAS CONTACTED WHO REFEREED WHO PROVIDED NO ASSISTANCE. THE CONTACT REFERENCED NHTSA CAMPAIGN ID NUMBER: 04V046000 (VISIBILITY: WINDSHIELD WIPER/WASHER) AND WAS ADVISED THAT THE VEHICLE WAS NOT INCLUDED IN THE RECALL. THE FAILURE MILEAGE WAS 70,000.

NHTSA ODI #10397463

Mileage unknown · Mar 31, 2011
Visibility

TL*THE CONTACT OWNS A 2003 GMC ENVOY. THE VEHICLE WAS PARKED AND SHUT OFF WHEN THE WINDOW ON THE REAR LIFT GATE SHATTERED. THE VEHICLE WAS NOT TAKEN TO THE DEALER TO HAVE THE FAILURE DIAGNOSED BUT WAS TAKEN TO AN INDEPENDENT REPAIR SHOP WHERE THE GLASS WAS REPLACED. APPROXIMATELY ONE YEAR LATER THE FAILURE RECURRED. THE VEHICLE …

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TL*THE CONTACT OWNS A 2003 GMC ENVOY. THE VEHICLE WAS PARKED AND SHUT OFF WHEN THE WINDOW ON THE REAR LIFT GATE SHATTERED. THE VEHICLE WAS NOT TAKEN TO THE DEALER TO HAVE THE FAILURE DIAGNOSED BUT WAS TAKEN TO AN INDEPENDENT REPAIR SHOP WHERE THE GLASS WAS REPLACED. APPROXIMATELY ONE YEAR LATER THE FAILURE RECURRED. THE VEHICLE WAS NOT REPAIRED FOR THE RECENT FAILURE. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEAGE WAS 96,836.

NHTSA ODI #10393854

105,000 miles · Mar 7, 2011
Electrical System

TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT STATED THAT THE INSTRUMENT PANEL GAUGES WOULD FAIL SPORADICALLY OR PROVIDE INACCURATE READINGS INCLUDING THE SPEEDOMETER AND THE FUEL LEVEL GAUGE. THE VEHICLE WAS NEITHER INSPECTED NOR REPAIRED FOR THE FAILURE. THE FAILURE MILEAGE WAS 105,000 AND THE CURRENT MILEAGE WAS 110,000…

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TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT STATED THAT THE INSTRUMENT PANEL GAUGES WOULD FAIL SPORADICALLY OR PROVIDE INACCURATE READINGS INCLUDING THE SPEEDOMETER AND THE FUEL LEVEL GAUGE. THE VEHICLE WAS NEITHER INSPECTED NOR REPAIRED FOR THE FAILURE. THE FAILURE MILEAGE WAS 105,000 AND THE CURRENT MILEAGE WAS 110,000. UPDATED 5/2/11 *CN UPDATED 05/11/11

NHTSA ODI #10386700

52,000 miles · Feb 24, 2011
Exterior Lighting

RIDING ON FREEWAY AND HEADLIGHTS SUDDENLY WENT OFF IN DARK AREA. CUT ON FOG LAMPS AND HEADLIGHTS CAME BACK ON AFTER COUPLE MILES OF TRAVEL. THEY HAVE NOT WENT OFF YET AGAIN BUT WOULD BE DANGEROUS ON CURVE ROAD. PROBLEM MAYBE IN TURN SIGNAL CONTROL. CRUISE WENT OUT DAY BEFORE AND CAME BACK. ALL LOCATED IN SAME SWITCH. CALLED GMC …

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RIDING ON FREEWAY AND HEADLIGHTS SUDDENLY WENT OFF IN DARK AREA. CUT ON FOG LAMPS AND HEADLIGHTS CAME BACK ON AFTER COUPLE MILES OF TRAVEL. THEY HAVE NOT WENT OFF YET AGAIN BUT WOULD BE DANGEROUS ON CURVE ROAD. PROBLEM MAYBE IN TURN SIGNAL CONTROL. CRUISE WENT OUT DAY BEFORE AND CAME BACK. ALL LOCATED IN SAME SWITCH. CALLED GMC AND TOLD THEM OF PROBLEM. HAVE NOT WENT OFF AGAIN YET. TALKED TO DEALER AND THEY WANT TO SEE IT WITH PROBLEM. *TR

NHTSA ODI #10384258

46,000 miles · Feb 14, 2011
Electrical System

INSTRUMENT PANEL CLUSTER IS FAILING. MY SPEEDOMETER HAS TOTALLY QUIT WORKING.MY GAS GAUGE IS STARTING TO FAIL ALSO. I CHECKED ON THE INTERNET AND FOUND THAT GMC HAS ADMITTED THE STEPPING MOTORS ARE DEFECTIVE, ON THE INSTRUMENT PANEL CLUSTER GAUGES FOR MY 2003 GMC ENVOY. A CLASS LAWSUIT HAS BEEN FILED, ACCORDING TO THE INTERNET .…

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INSTRUMENT PANEL CLUSTER IS FAILING. MY SPEEDOMETER HAS TOTALLY QUIT WORKING.MY GAS GAUGE IS STARTING TO FAIL ALSO. I CHECKED ON THE INTERNET AND FOUND THAT GMC HAS ADMITTED THE STEPPING MOTORS ARE DEFECTIVE, ON THE INSTRUMENT PANEL CLUSTER GAUGES FOR MY 2003 GMC ENVOY. A CLASS LAWSUIT HAS BEEN FILED, ACCORDING TO THE INTERNET .ACCORDING TO THE INTERNET,THIS IS A COMMON PROBLEM FOR 2003-2007 GMC'S. THE COST OF THE REPAIR IS APPX. $800.00. I CANNOT AFFORD THIS REPAIR. I AM FORCED TO DRIVE WITHOUT KNOWING MY CORRECT SPEED, DUE TO THE SPEEDOMETER NOT WORKING. SOON I WILL NOT KNOW ....HOW MUCH GAS I HAVE IN MY GMC. ACCORDING TO THE INTERNET MY OTHER GAUGES WILL SOON FAIL. I PURCHASED MY GMC BRAND NEW FOR $38,000. I FEEL MY GMC ENVOY IS UNSAFE, DUE TO THE REASONS I HAVE JUST LISTED. I FEEL GMC SHOULD PAY FOR THIS REPAIR AS, IT IS UNSAFE FOR ME TO OPERATE THE GMC LIKE THIS. I WOULD LIKE TO BE INCLUDED IN THE CLASS ACTION LAWSUIT. THE FAILURE IS CONSTANT...NO SPEEDOMETER. THIS COULD CAUSE MY TO DRIVE OVER THE LEGAL SPEED LIMIT WITH OUT MY KNOWLEDGE, WHICH IS UNSAFE. I HAVE DONE NOTHING TO CORRECT THE FAILURE AS YET. AT THIS TIME I CANNOT AFFORD THE COST OF THE REPAIR. *TR

NHTSA ODI #10382582

111,000 miles · Jan 25, 2011
Power Train

TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT STATED THE SERVICE FOUR WHEEL DRIVE LIGHT ILLUMINATED WHILE THE VEHICLE WAS PARKED. THE CONTACT STATED THAT THE FOUR WHEEL DRIVE WAS INOPERABLE WHEN THE LIGHT WAS ILLUMINATED. THE FAILURE RECURRED INTERMITTENTLY. THE DEALER WAS CONTACTED AND ADVISED THAT THE SWITCH WOULD NEED TO…

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TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT STATED THE SERVICE FOUR WHEEL DRIVE LIGHT ILLUMINATED WHILE THE VEHICLE WAS PARKED. THE CONTACT STATED THAT THE FOUR WHEEL DRIVE WAS INOPERABLE WHEN THE LIGHT WAS ILLUMINATED. THE FAILURE RECURRED INTERMITTENTLY. THE DEALER WAS CONTACTED AND ADVISED THAT THE SWITCH WOULD NEED TO BE REPLACED IN ORDER TO CORRECT THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 111,000.

NHTSA ODI #10378586

117,000 miles · Jan 25, 2011
Service Brakes, Hydraulic

TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH APPLYING PRESSURE TO THE BRAKE PEDAL WHEN THE VEHICLE BECAME DIFFICULT TO STOP AND THE BRAKES WOULD EXHIBIT AN ABNORMAL WHOOSHING SOUND. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO ADVISED THE CONTACT THAT THERE WAS A LEAK IN THE MASTER …

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TL* THE CONTACT OWNS A 2003 GMC ENVOY. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH APPLYING PRESSURE TO THE BRAKE PEDAL WHEN THE VEHICLE BECAME DIFFICULT TO STOP AND THE BRAKES WOULD EXHIBIT AN ABNORMAL WHOOSHING SOUND. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO ADVISED THE CONTACT THAT THERE WAS A LEAK IN THE MASTER CYLINDER AND THE POWER BRAKE BOOSTER. THE TECHNICIAN REPLACED THE POWER BRAKE BOOSTER AND THE MASTER CYLINDER. THE VEHICLE WAS REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 117,000.

NHTSA ODI #10378585

Official recalls

7

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.

04V046000 · Visibility:windshield Wiper/washer

Feb 4, 2004

CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT WILL NOT TURN ON, CEASE OPERATION WHILE IN USE, FAIL TO TURN OFF/ON BY THEMSELVES (MOISTURE SENSITIVE WIPER SYSTEM), OR HAVE CONTINUOUS WINDSHIELD WASHER PUMP OPERATION BECAUSE THE PRESENCE OF WATER WITHIN THE WIPER MODULES CAN EITHER CAUSE A SHORT CIRCUIT OR CAN LEAD TO THE CORROSION OF COMPONENTS WITHIN THE MODULE.

Consequence & remedy

Consequence: DEPENDING ON THE OCCURRENCE AND WEATHER SITUATION, DRIVER VISIBILITY COULD BE REDUCED, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL COVER THE WINDSHIELD WIPER MODULE VENT HOLE WITH A PATCH. ALSO, THE WIPER MOTOR, CIRCUIT BOARD, AND ELECTRICAL CONNECTOR WILL BE INSPECTED TO SIGNS OF WATER INTRUSION AND/OR CORROSION AND BE REPLACED AS REQUIRED. THE RECALL BEGAN JULY 6, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438; OLDSMOBILE AT 1-800-630-6537; OR GMC AT 1-866-996-9463.

03V250000 · Equipment:other:owners/service/other Manual

Jul 15, 2003

CERTAIN MINIVANS, PASSENGER AND SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEM." THE OWNER'S MANUAL DOES NOT EXPLAIN THE MEANING OF THE LOCATION SYMBOLS FOR THE CHILD RESTRAINT LOWER UNIVERSAL ANCHORAGE SYSTEM.

Consequence & remedy

Consequence: THIS DOES NOT MEET THE REQUIREMENTS OF THE STANDARD.

Remedy: OWNERS WILL BE PROVIDED WITH A SUPPLEMENT FOR THEIR OWNER'S MANUAL. THIS SUPPLEMENT DESCRIBES AND SHOWS THE LOCATION SYMBOLS FOR THE CHILD RESTRAINT ANCHORS THAT ARE LOCATED IN THE VEHICLE AND ON THE CHILD RESTRAINT OR BOOSTER CUSHION. OWNER NOTIFICATION BEGAN AUGUST 18, 2003. OWNERS SHOULD CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, PONTIAC AT 1-800-620-7668, OR OLDSMOBILE AT 1-800-630-6537.

03V151000 · Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings

Apr 23, 2003

CERTAIN SPORT UTILITY VEHICLES WERE BUILT WITH A LEFT-FRONT BRAKE PIPE WITH A CIRCUMFERENTIAL SCORE AT A RANDOM LOCATION ALONG THE LENGTH OF THE PIPE AS THE RESULT OF THE MANUFACTURING PROCESS. IF THE BRAKE PIPE PARTIALLY OR FULLY FRACTURED, BRAKE PEDAL TRAVEL WOULD IMMEDIATELY INCREASE AND FRONT BRAKE PERFORMANCE WOULD BE REDUCED.

Consequence & remedy

Consequence: IF BRAKING PERFORMANCE IS REDUCED, A CRASH COULD OCCUR.

Remedy: DEALERS WILL REPLACE THE LEFT-FRONT BRAKE PIPE. OWNER NOTIFICATION BEGAN ON MAY 29, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020, GMC AT 1-800-462-8782, OR OLDSMOBILE AT 1-800-442-8006.

03V075000 · Power Train:automatic Transmission

Mar 6, 2003

CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 114, "THEFT PROTECTION." THESE VEHICLES ARE EQUIPPED WITH A MECHANICAL OVERRIDE THAT COULD ALLOW THE IGNITION KEY TO BE REMOVED WITH THE SHIFT LEVER IN A POSITION OTHER THAN PARK. IN ADDITION, THESE VEHICLES HAVE AN OVERRIDE THAT CAN ALLOW THE TRANSMISSION TO BE SHIFTED OUT OF PARK WITH THE IGNITION IN THE OFF POSITION.

Consequence & remedy

Consequence: THESE OVERRIDES ARE NOT PERMITTED UNLESS THE VEHICLE HAS A LOCKING STEERING COLUMN.

Remedy: DEALERS WILL ELIMINATE THESE CONDITIONS BY DISABLING THE OVERRIDES. OWNER NOTIFICATION BEGAN ON MAY 29, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020, GMC AT 1-800-462-8782, OLDSMOBILE AT 1-800-442-6537, OR HUMMER AT 1-866-486-6376.

03V051000 · Air Bags:frontal:driver Side:inflator Module

Feb 14, 2003

ON CERTAIN MINI VANS, PASSENGER AND SPORT UTILITY VEHICLES, SOME OF THESE VEHICLES HAVE A DRIVER'S SIDE AIR BAG THAT MAY NOT DEPLOY AS DESIGNED. IN ADDITION, THE AIR BAG INFLATOR COULD RUPTURE.

Consequence & remedy

Consequence: THIS COULD RESULT IN REDUCED CAPABILITY OF THE AIR BAG TO PROTECT THE DRIVER. ALSO IF THE AIR BAG INFLATOR RUPTURED, PIECES OF THE INFLATOR COULD STRIKE AND INJURE THE VEHICLE OCCUPANTS.

Remedy: DEALERS WILL INSPECT, AND IF NECESSARY, INSTALL A NEW DRIVER'S AIR BAG. OWNER NOTIFICATION BEGAN ON MARCH 11, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT BUICK AT 1-800-521-7300, CADILLAC AT 1-800-458-8006, CHEVROLET AT 1-800-222-1020, GMC AT 1-800-462-8782, OR PONTIAC AT 1-800-762-2737.

02V222000 · Air Bags:frontal

Aug 9, 2002

CERTAIN PASSENGER, MINI VANS, AND SPORT UTILITY VEHICLES HAVE AN AIR BAG INFLATOR ON THE DRIVER'S SIDE THAT COULD FRACTURE AT A WELD DURING A DEPLOYMENT.

Consequence & remedy

Consequence: PIECES OF THE INFLATOR COULD STRIKE AND INJURE VEHICLE OCCUPANTS AND THE AIR BAG CUSHION WOULD NOT INFLATE FULLY, REDUCING THE CAPABILITY OF THE BAG TO PROTECT THE DRIVER.

Remedy: DEALERS WILL INSPECT, AND REPLACE, IF NECESSARY, THE AIR BAG MODULE ASSEMBLY ON THE DRIVER'S SIDE. OWNER NOTIFICATION BEGAN AUGUST 15, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT BUICK AT 1-800-521-7300, CADILLAC AT 1-800-458-8006, CHEVROLET AT 1-800-222-1020, GMC AT 1-800-462-8782, OLDSMOBILE AT 1-800-442-6537, OR PONTIAC AT 1-800-762-2737.

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

7

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.

PE07013 · Fuel Pump Module Leaks Gasoline

Opened Mar 12, 2007 · Closed Jul 10, 2007

Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:fuel Pump

ODI HAS RECEIVED REPORTS THAT THE FUEL PUMP MODULE LEAKS FUEL AND OR VAPOR UNDERNEATH THE VEHICLE.GM STATES, THE FAILURE MECHANISM IS CORROSION OF THE FUEL PUMP MODULE FLANGE WHICH MAY LEAD TO A FUEL LEAK.CORROSION OF THE FUEL PUMP MODULE FLANGE IS THE RESULT OF THE VEHICLE OPERATING IN A CORROSIVE ENVIRONMENT.ODI HAS UPGRADED THIS PE TO ENGINEERING ANALYSIS (EA07-009) TO FURTHER ASSESS THIS ISSUE.

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.

EA04002 · Windshield Wiper Failure

Opened Jan 6, 2004 · Closed Feb 10, 2004

Status: closed (inferred from source dates) · Visibility:windshield Wiper/washer; Visibility:windshield Wiper/washer:motor

ON SEPTEMBER 17, 2003, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE03-042) TO INVESTIGATE ALLEGED WINDSHIELD WIPER FAILURE IN CERTAIN MODEL YEAR (MY) 2002 AND 2003 CHEVROLET TRAILBLAZER AND TRAILBLAZER EXT, GMC ENVOY AND ENVOY XL, AND OLDSMOBILE BRAVADA VEHICLES.THE INVESTIGATION WAS UPGRADED TO AN ENGINEERING ANALYSIS ON JANUARY 6, 2004, AND THE SCOPE WAS EXPANDED TO INCLUDE CERTAIN MY 2003 ISUZU ASCENDER VEHICLES.ALL SUBJECT VEHICLES ARE BUILT ON GENERAL MOTORS? GMT360 AND GMT370 PLATFORMS AND WERE ORIGINALLY EQUIPPED WITH A WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE FAMILY DESIGN MODULE (P/N 15171306 BASE, P/N 15171307 FOR VEHICLES EQUIPPED WITH RAINSENSE AUTOMATIC MOISTURE SENSITIVE WIPERS).WATER ENTERS THE WINDSHIELD WIPER MODULE CAUSING THE ELECTRICAL COMPONENTS ON THE CONTROL CIRCUIT BOARD TO CORRODE AND SHORT OUT, THUS RENDERING THE WIPER MOTOR/MODULE INOPERATIVE.IN NOVEMBER 2002, GM INTRODUCED INTO VEHICLE PRODUCTION A REDESIGNED WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?GLOBAL? DESIGN MODULE (P/N 15094704 BASE, P/N 15094705 FOR VEHICLES EQUIPPED WITH RAINSENSE) TO BETTER CONTROL WATER INTRUSION.ODI HAS RECEIVED A TOTAL OF 1,179 NON-DUPLICATIVE OWNER AND FIELD REPORTS ALLEGING WINDSHIELD WIPER FAILURE ON VEHICLES ORIGINALLY EQUIPPED WITH THE ?FAMILY? DESIGN MODULE.BY LETTER DATED FEBRUARY 2, 2004, GM HAS NOTIFIED ODI THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA RECALL NO. 04V-046).ACCORDINGLY, THIS INVESTIGATION IS CLOSED.

Additional source detail variants (4)

Visibility:windshield Wiper/washer

ON SEPTEMBER 17, 2003, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE03-042) TO INVESTIGATE ALLEGED WINDSHIELD WIPER FAILURE IN CERTAIN MODEL YEAR (MY) 2002 AND 2003 CHEVROLET TRAILBLAZER AND TRAILBLAZER EXT, GMC ENVOY AND ENVOY XL, AND OLDSMOBILE BRAVADA VEHICLES.THE INVESTIGATION WAS UPGRADED TO AN ENGINEERING ANALYSIS ON JANUARY 6, 2004, AND THE SCOPE WAS EXPANDED TO INCLUDE CERTAIN MY 2003 ISUZU ASCENDER VEHICLES.ALL SUBJECT VEHICLES ARE BUILT ON GENERAL MOTORS? GMT360 AND GMT370 PLATFORMS AND WERE ORIGINALLY EQUIPPED WITH A WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE FAMILY DESIGN MODULE (P/N 15171306 BASE, P/N 15171307 FOR VEHICLES EQUIPPED WITH RAINSENSE AUTOMATIC MOISTURE SENSITIVE WIPERS).WATER ENTERS THE WINDSHIELD WIPER MODULE CAUSING THE ELECTRICAL COMPONENTS ON THE CONTROL CIRCUIT BOARD TO CORRODE AND SHORT OUT, THUS RENDERING THE WIPER MOTOR/MODULE INOPERATIVE.IN NOVEMBER 2002, GM INTRODUCED INTO VEHICLE PRODUCTION A REDESIGNED WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?GLOBAL? DESIGN MODULE (P/N 15094704 BASE, P/N 15094705 FOR VEHICLES EQUIPPED WITH RAINSENSE) TO BETTER CONTROL WATER INTRUSION.ODI HAS RECEIVED A TOTAL OF 1,179 NON-DUPLICATIVE OWNER AND FIELD REPORTS ALLEGING WINDSHIELD WIPER FAILURE ON VEHICLES ORIGINALLY EQUIPPED WITH THE ?FAMILY? DESIGN MODULE.BY LETTER DATED FEBRUARY 2, 2004, GM HAS NOTIFIED ODI THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA RECALL NO. 04V-046).ACCORDINGLY, THIS INVESTIGATION IS CLOSED.

Visibility:windshield Wiper/washer

ON SEPTEMBER 17, 2003, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE03-042) TO INVESTIGATE ALLEGED WINDSHIELD WIPER FAILURE IN CERTAIN MODEL YEAR (MY) 2002 AND 2003 CHEVROLET TRAILBLAZER AND TRAILBLAZER EXT, GMC ENVOY AND ENVOY XL, AND OLDSMOBILE BRAVADA VEHICLES.THE INVESTIGATION WAS UPGRADED TO AN ENGINEERING ANALYSIS ON JANUARY 6, 2004, AND THE SCOPE WAS EXPANDED TO INCLUDE CERTAIN MY 2003 ISUZU ASCENDER VEHICLES.ALL SUBJECT VEHICLES ARE BUILT ON GENERAL MOTORS? GMT360 AND GMT370 PLATFORMS AND WERE ORIGINALLY EQUIPPED WITH A WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE FAMILY DESIGN MODULE (P/N 15171306 BASE, P/N 15171307 FOR VEHICLES EQUIPPED WITH RAINSENSE AUTOMATIC MOISTURE SENSITIVE WIPERS).WATER ENTERS THE WINDSHIELD WIPER MODULE CAUSING THE ELECTRICAL COMPONENTS ON THE CONTROL CIRCUIT BOARD TO CORRODE AND SHORT OUT, THUS RENDERING THE WIPER MOTOR/MODULE INOPERATIVE.IN NOVEMBER 2002, GM INTRODUCED INTO VEHICLE PRODUCTION A REDESIGNED WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?GLOBAL? DESIGN MODULE (P/N 15094704 BASE, P/N 15094705 FOR VEHICLES EQUIPPED WITH RAINSENSE) TO BETTER CONTROL WATER INTRUSION.ODI HAS RECEIVED A TOTAL OF 1,179 NON-DUPLICATIVE OWNER AND FIELD REPORTS ALLEGING WINDSHIELD WIPER FAILURE ON VEHICLES ORIGINALLY EQUIPPED WITH THE ?FAMILY? DESIGN MODULE.BY LETTER DATED FEBRUARY 2, 2004, GM HAS NOTIFIED ODI THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA RECALL NO. 04V-046).ACCORDINGLY, THIS INVESTIGATION IS CLOSED.

Visibility:windshield Wiper/washer:motor

ON SEPTEMBER 17, 2003, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE03-042) TO INVESTIGATE ALLEGED WINDSHIELD WIPER FAILURE IN CERTAIN MODEL YEAR (MY) 2002 AND 2003 CHEVROLET TRAILBLAZER AND TRAILBLAZER EXT, GMC ENVOY AND ENVOY XL, AND OLDSMOBILE BRAVADA VEHICLES.THE INVESTIGATION WAS UPGRADED TO AN ENGINEERING ANALYSIS ON JANUARY 6, 2004, AND THE SCOPE WAS EXPANDED TO INCLUDE CERTAIN MY 2003 ISUZU ASCENDER VEHICLES.ALL SUBJECT VEHICLES ARE BUILT ON GENERAL MOTORS? GMT360 AND GMT370 PLATFORMS AND WERE ORIGINALLY EQUIPPED WITH A WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE FAMILY DESIGN MODULE (P/N 15171306 BASE, P/N 15171307 FOR VEHICLES EQUIPPED WITH RAINSENSE AUTOMATIC MOISTURE SENSITIVE WIPERS).WATER ENTERS THE WINDSHIELD WIPER MODULE CAUSING THE ELECTRICAL COMPONENTS ON THE CONTROL CIRCUIT BOARD TO CORRODE AND SHORT OUT, THUS RENDERING THE WIPER MOTOR/MODULE INOPERATIVE.IN NOVEMBER 2002, GM INTRODUCED INTO VEHICLE PRODUCTION A REDESIGNED WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?GLOBAL? DESIGN MODULE (P/N 15094704 BASE, P/N 15094705 FOR VEHICLES EQUIPPED WITH RAINSENSE) TO BETTER CONTROL WATER INTRUSION.ODI HAS RECEIVED A TOTAL OF 1,179 NON-DUPLICATIVE OWNER AND FIELD REPORTS ALLEGING WINDSHIELD WIPER FAILURE ON VEHICLES ORIGINALLY EQUIPPED WITH THE ?FAMILY? DESIGN MODULE.BY LETTER DATED FEBRUARY 2, 2004, GM HAS NOTIFIED ODI THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA RECALL NO. 04V-046).ACCORDINGLY, THIS INVESTIGATION IS CLOSED.

Visibility:windshield Wiper/washer:motor

ON SEPTEMBER 17, 2003, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE03-042) TO INVESTIGATE ALLEGED WINDSHIELD WIPER FAILURE IN CERTAIN MODEL YEAR (MY) 2002 AND 2003 CHEVROLET TRAILBLAZER AND TRAILBLAZER EXT, GMC ENVOY AND ENVOY XL, AND OLDSMOBILE BRAVADA VEHICLES.THE INVESTIGATION WAS UPGRADED TO AN ENGINEERING ANALYSIS ON JANUARY 6, 2004, AND THE SCOPE WAS EXPANDED TO INCLUDE CERTAIN MY 2003 ISUZU ASCENDER VEHICLES.ALL SUBJECT VEHICLES ARE BUILT ON GENERAL MOTORS? GMT360 AND GMT370 PLATFORMS AND WERE ORIGINALLY EQUIPPED WITH A WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE FAMILY DESIGN MODULE (P/N 15171306 BASE, P/N 15171307 FOR VEHICLES EQUIPPED WITH RAINSENSE AUTOMATIC MOISTURE SENSITIVE WIPERS).WATER ENTERS THE WINDSHIELD WIPER MODULE CAUSING THE ELECTRICAL COMPONENTS ON THE CONTROL CIRCUIT BOARD TO CORRODE AND SHORT OUT, THUS RENDERING THE WIPER MOTOR/MODULE INOPERATIVE.IN NOVEMBER 2002, GM INTRODUCED INTO VEHICLE PRODUCTION A REDESIGNED WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?GLOBAL? DESIGN MODULE (P/N 15094704 BASE, P/N 15094705 FOR VEHICLES EQUIPPED WITH RAINSENSE) TO BETTER CONTROL WATER INTRUSION.ODI HAS RECEIVED A TOTAL OF 1,179 NON-DUPLICATIVE OWNER AND FIELD REPORTS ALLEGING WINDSHIELD WIPER FAILURE ON VEHICLES ORIGINALLY EQUIPPED WITH THE ?FAMILY? DESIGN MODULE.BY LETTER DATED FEBRUARY 2, 2004, GM HAS NOTIFIED ODI THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA RECALL NO. 04V-046).ACCORDINGLY, THIS INVESTIGATION IS CLOSED.

PE04001 · Fuel Spillage During Refueling

Opened Jan 5, 2004 · Closed May 7, 2004

Status: closed (inferred from source dates) · Fuel System, Gasoline:storage; Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

THIS INVESTIGATION WAS OPENED ON THE MODEL YEAR (MY) 2003 CHEVROLET TRAILBLAZER.BASED ON GM'S INFORMATION REQUEST (IR) RESPONSE, ODI ADDED TO ITS ANALYSIS THE MY 2003 GMC ENVOY AND OLDSMOBILE BRAVADA VEHICLES.THESE VEHICLES SHARE THE SAME VEHICLE PLATFORM (GM 360/370) AND FUEL FILL COMPONENTS.INCIDENT SUMMARY NUMBERS REPORTED ABOVE INCLUDE THESE VEHICLES.EPA REGULATES THE FUEL DISPENSING RATES AT FILLING STATIONS AND GM STATES THAT THE REPORTS OF SPITBACK FOR THE SUBJECT VEHICLES ARE PRINCIPALLY CAUSED BY FUEL DISPENSING PUMPS EXCEEDING THE RATE SPECIFIED BY EPA.ODI FINDS THAT THE RATE OF COMPLAINTS, FIELD REPORTS AND WARRANTY IS LOW COMPARED TO OTHER VEHICLES THAT HAVE BEEN RECALLED FOR A SPITBACK ISSUE.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF THE AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.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.SEE ATTACHED REPORT FOR ADDITIONAL INFORMATION.

Additional source detail variants (2)

Fuel System, Gasoline:storage

THIS INVESTIGATION WAS OPENED ON THE MODEL YEAR (MY) 2003 CHEVROLET TRAILBLAZER.BASED ON GM'S INFORMATION REQUEST (IR) RESPONSE, ODI ADDED TO ITS ANALYSIS THE MY 2003 GMC ENVOY AND OLDSMOBILE BRAVADA VEHICLES.THESE VEHICLES SHARE THE SAME VEHICLE PLATFORM (GM 360/370) AND FUEL FILL COMPONENTS.INCIDENT SUMMARY NUMBERS REPORTED ABOVE INCLUDE THESE VEHICLES.EPA REGULATES THE FUEL DISPENSING RATES AT FILLING STATIONS AND GM STATES THAT THE REPORTS OF SPITBACK FOR THE SUBJECT VEHICLES ARE PRINCIPALLY CAUSED BY FUEL DISPENSING PUMPS EXCEEDING THE RATE SPECIFIED BY EPA.ODI FINDS THAT THE RATE OF COMPLAINTS, FIELD REPORTS AND WARRANTY IS LOW COMPARED TO OTHER VEHICLES THAT HAVE BEEN RECALLED FOR A SPITBACK ISSUE.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF THE AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.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.SEE ATTACHED REPORT FOR ADDITIONAL INFORMATION.

Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

THIS INVESTIGATION WAS OPENED ON THE MODEL YEAR (MY) 2003 CHEVROLET TRAILBLAZER.BASED ON GM'S INFORMATION REQUEST (IR) RESPONSE, ODI ADDED TO ITS ANALYSIS THE MY 2003 GMC ENVOY AND OLDSMOBILE BRAVADA VEHICLES.THESE VEHICLES SHARE THE SAME VEHICLE PLATFORM (GM 360/370) AND FUEL FILL COMPONENTS.INCIDENT SUMMARY NUMBERS REPORTED ABOVE INCLUDE THESE VEHICLES.EPA REGULATES THE FUEL DISPENSING RATES AT FILLING STATIONS AND GM STATES THAT THE REPORTS OF SPITBACK FOR THE SUBJECT VEHICLES ARE PRINCIPALLY CAUSED BY FUEL DISPENSING PUMPS EXCEEDING THE RATE SPECIFIED BY EPA.ODI FINDS THAT THE RATE OF COMPLAINTS, FIELD REPORTS AND WARRANTY IS LOW COMPARED TO OTHER VEHICLES THAT HAVE BEEN RECALLED FOR A SPITBACK ISSUE.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF THE AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.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.SEE ATTACHED REPORT FOR ADDITIONAL INFORMATION.

PE03042 · Windshield Wiper Failure

Opened Sep 17, 2003 · Closed Jan 6, 2004

Status: closed (inferred from source dates) · Visibility:windshield Wiper/washer; Visibility:windshield Wiper/washer:motor

THE SUBJECT VEHICLES (CHEVROLET TRAILBLAZER (EXT), GMC ENVOY (XL), AND OLDSMOBILE BRAVADA) ARE BUILT ON THE GMT360 AND GMT370 PLATFORMS AND WERE ORIGINALLY EQUIPPED WITH A WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?FAMILY? DESIGN MODULE (P/N 15171306 BASE, P/N 15171307 FOR VEHICLES EQUIPPED WITH RAINSENSE AUTOMATIC MOISTURE SENSITIVE WIPERS).THE WINDSHIELD WIPER ASSEMBLY IS LOCATED INSIDE THE PLENUM AT THE BASE OF THE WINDSHIELD AND IS MOUNTED ON AN INCLINE APPROXIMATELY EQUAL TO THE RAKE OF THE WINDSHIELD.GM REPORTS THAT VEHICLES ARE SUBJECT TO A QUALITY ASSURANCE WATER TEST AT THE ASSEMBLY PLANT.THE TEST EXPOSES THE VEHICLES TO AN AMOUNT OF WATER THAT EXCEEDS THE PLENUM?S CAPABILITY TO DIVERT WATER AWAY FROM THE WIPER MODULE, ALLOWING WATER TO RISE TO A LEVEL THAT EXCEEDS THE HEIGHT OF THE WINDSHIELD WIPER MOTOR COVER VENT HOLE.WATER ENTERS THROUGH THE VENT HOLE THEN FLOWS DOWN TO THE BOTTOM OF THE MODULE AND POOLS CAUSING THE ELECTRICAL COMPONENTS ON THE CONTROL CIRCUIT BOARD TO CORRODE AND SHORT OUT, THUS RENDERING THE WIPER MOTOR/MODULE INOPERATIVE.ON NOVEMBER 2, 2002 GM INTRODUCED INTO VEHICLE PRODUCTION A REDESIGNED WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?GLOBAL? DESIGN MODULE (P/N 15094704 BASE, P/N 15094705 FOR VEHICLES EQUIPPED WITH RAINSENSE) THAT USES A POLYTETRAFLUOROETHYLENE MEMBRANE COVERED VENT HOLE TO CONTROL WATER INTRUSION.THERE ARE A TOTAL OF 1,172 NON-DUPLICATIVE OWNER AND FIELD REPORTS ALLEGING WINDSHIELD WIPER FAILURE, TWO VEHICLE CRASHES ALLEGEDLY CAUSED BY WINDSHIELD WIPER FAILURE, AND 43,219 WARRANTY CLAIMS FOR WINDSHIELD WIPER ASSEMBLY OR WIPER CONTROL MODULE REPLACEMENT ON VEHICLES ORIGINALLY EQUIPPED WITH THE ?FAMILY? DESIGN MODULE.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA04-002) TO FURTHER STUDY THE SCOPE AND SAFETY CONSEQUENCES OF THIS ISSUE.

Additional source detail variants (2)

Visibility:windshield Wiper/washer

THE SUBJECT VEHICLES (CHEVROLET TRAILBLAZER (EXT), GMC ENVOY (XL), AND OLDSMOBILE BRAVADA) ARE BUILT ON THE GMT360 AND GMT370 PLATFORMS AND WERE ORIGINALLY EQUIPPED WITH A WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?FAMILY? DESIGN MODULE (P/N 15171306 BASE, P/N 15171307 FOR VEHICLES EQUIPPED WITH RAINSENSE AUTOMATIC MOISTURE SENSITIVE WIPERS).THE WINDSHIELD WIPER ASSEMBLY IS LOCATED INSIDE THE PLENUM AT THE BASE OF THE WINDSHIELD AND IS MOUNTED ON AN INCLINE APPROXIMATELY EQUAL TO THE RAKE OF THE WINDSHIELD.GM REPORTS THAT VEHICLES ARE SUBJECT TO A QUALITY ASSURANCE WATER TEST AT THE ASSEMBLY PLANT.THE TEST EXPOSES THE VEHICLES TO AN AMOUNT OF WATER THAT EXCEEDS THE PLENUM?S CAPABILITY TO DIVERT WATER AWAY FROM THE WIPER MODULE, ALLOWING WATER TO RISE TO A LEVEL THAT EXCEEDS THE HEIGHT OF THE WINDSHIELD WIPER MOTOR COVER VENT HOLE.WATER ENTERS THROUGH THE VENT HOLE THEN FLOWS DOWN TO THE BOTTOM OF THE MODULE AND POOLS CAUSING THE ELECTRICAL COMPONENTS ON THE CONTROL CIRCUIT BOARD TO CORRODE AND SHORT OUT, THUS RENDERING THE WIPER MOTOR/MODULE INOPERATIVE.ON NOVEMBER 2, 2002 GM INTRODUCED INTO VEHICLE PRODUCTION A REDESIGNED WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?GLOBAL? DESIGN MODULE (P/N 15094704 BASE, P/N 15094705 FOR VEHICLES EQUIPPED WITH RAINSENSE) THAT USES A POLYTETRAFLUOROETHYLENE MEMBRANE COVERED VENT HOLE TO CONTROL WATER INTRUSION.THERE ARE A TOTAL OF 1,172 NON-DUPLICATIVE OWNER AND FIELD REPORTS ALLEGING WINDSHIELD WIPER FAILURE, TWO VEHICLE CRASHES ALLEGEDLY CAUSED BY WINDSHIELD WIPER FAILURE, AND 43,219 WARRANTY CLAIMS FOR WINDSHIELD WIPER ASSEMBLY OR WIPER CONTROL MODULE REPLACEMENT ON VEHICLES ORIGINALLY EQUIPPED WITH THE ?FAMILY? DESIGN MODULE.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA04-002) TO FURTHER STUDY THE SCOPE AND SAFETY CONSEQUENCES OF THIS ISSUE.

Visibility:windshield Wiper/washer:motor

THE SUBJECT VEHICLES (CHEVROLET TRAILBLAZER (EXT), GMC ENVOY (XL), AND OLDSMOBILE BRAVADA) ARE BUILT ON THE GMT360 AND GMT370 PLATFORMS AND WERE ORIGINALLY EQUIPPED WITH A WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?FAMILY? DESIGN MODULE (P/N 15171306 BASE, P/N 15171307 FOR VEHICLES EQUIPPED WITH RAINSENSE AUTOMATIC MOISTURE SENSITIVE WIPERS).THE WINDSHIELD WIPER ASSEMBLY IS LOCATED INSIDE THE PLENUM AT THE BASE OF THE WINDSHIELD AND IS MOUNTED ON AN INCLINE APPROXIMATELY EQUAL TO THE RAKE OF THE WINDSHIELD.GM REPORTS THAT VEHICLES ARE SUBJECT TO A QUALITY ASSURANCE WATER TEST AT THE ASSEMBLY PLANT.THE TEST EXPOSES THE VEHICLES TO AN AMOUNT OF WATER THAT EXCEEDS THE PLENUM?S CAPABILITY TO DIVERT WATER AWAY FROM THE WIPER MODULE, ALLOWING WATER TO RISE TO A LEVEL THAT EXCEEDS THE HEIGHT OF THE WINDSHIELD WIPER MOTOR COVER VENT HOLE.WATER ENTERS THROUGH THE VENT HOLE THEN FLOWS DOWN TO THE BOTTOM OF THE MODULE AND POOLS CAUSING THE ELECTRICAL COMPONENTS ON THE CONTROL CIRCUIT BOARD TO CORRODE AND SHORT OUT, THUS RENDERING THE WIPER MOTOR/MODULE INOPERATIVE.ON NOVEMBER 2, 2002 GM INTRODUCED INTO VEHICLE PRODUCTION A REDESIGNED WINDSHIELD WIPER ASSEMBLY REFERRED TO AS THE ?GLOBAL? DESIGN MODULE (P/N 15094704 BASE, P/N 15094705 FOR VEHICLES EQUIPPED WITH RAINSENSE) THAT USES A POLYTETRAFLUOROETHYLENE MEMBRANE COVERED VENT HOLE TO CONTROL WATER INTRUSION.THERE ARE A TOTAL OF 1,172 NON-DUPLICATIVE OWNER AND FIELD REPORTS ALLEGING WINDSHIELD WIPER FAILURE, TWO VEHICLE CRASHES ALLEGEDLY CAUSED BY WINDSHIELD WIPER FAILURE, AND 43,219 WARRANTY CLAIMS FOR WINDSHIELD WIPER ASSEMBLY OR WIPER CONTROL MODULE REPLACEMENT ON VEHICLES ORIGINALLY EQUIPPED WITH THE ?FAMILY? DESIGN MODULE.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA04-002) TO FURTHER STUDY THE SCOPE AND SAFETY CONSEQUENCES OF THIS ISSUE.