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2002 Chevrolet Tahoe

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2002 Chevrolet Tahoe do not stand out strongly from the model-year median of 246.

About this comparison →

When problems were reported

Mileage at the reported incident

339 reports with mileage · 110 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.

  • Service Brakes. Review the 90 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 68 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 40 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 reports32 injury reports

Air Bags complaints

31 reports
Clear category filter
73,000 miles · Oct 4, 2014
Air BagsCrash

TL - THE CONTACT OWNS A 2002 CHEVROLET TAHOE. THE CONTACT STATED THAT WHILE THE DRIVER WAS DRIVING AT 45 MPH AND ATTEMPTED TO AVOID A CRASH WITH ANOTHER VEHICLE. AS A RESULT, THE DRIVER CRASHED INTO A GUARDRAIL AND THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT WAS TAKEN TO A HOSPITAL AND SUSTAINED INJURIE…

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TL - THE CONTACT OWNS A 2002 CHEVROLET TAHOE. THE CONTACT STATED THAT WHILE THE DRIVER WAS DRIVING AT 45 MPH AND ATTEMPTED TO AVOID A CRASH WITH ANOTHER VEHICLE. AS A RESULT, THE DRIVER CRASHED INTO A GUARDRAIL AND THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT WAS TAKEN TO A HOSPITAL AND SUSTAINED INJURIES TO THE RIBS, THE COLLAR BONES, A BRAIN TRAUMA AND A COLLAPSED LUNG. THE DRIVER SUFFERED FROM FATAL INJURIES. THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 73,000. DR

NHTSA ODI #10641399

Mileage unknown · Aug 25, 2014
Air BagsCrashInjury

TL* THE CONTACT OWNS A 2002 CHEVROLET TAHOE. WHILE DRIVING APPROXIMATELY 40 MPH, THE CONTACT LOST CONTROL OF THE VEHICLE WHILE PROCEEDING AROUND ANOTHER VEHICLE. THE CONTACT CRASHED THE FRONT PASSENGER SIDE OF THE VEHICLE INTO A DITCH. THE VEHICLE FLIPPED OVER MULTIPLE TIMES AND LANDED UPSIDE DOWN. THE RADIO WAS EJECTED FROM TH…

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TL* THE CONTACT OWNS A 2002 CHEVROLET TAHOE. WHILE DRIVING APPROXIMATELY 40 MPH, THE CONTACT LOST CONTROL OF THE VEHICLE WHILE PROCEEDING AROUND ANOTHER VEHICLE. THE CONTACT CRASHED THE FRONT PASSENGER SIDE OF THE VEHICLE INTO A DITCH. THE VEHICLE FLIPPED OVER MULTIPLE TIMES AND LANDED UPSIDE DOWN. THE RADIO WAS EJECTED FROM THE VEHICLE AND THE STEERING WHEEL FRACTURED. THE CONTACT WAS PULLED OUT OF THE VEHICLE BY ANOTHER INDIVIDUAL. THE AIR BAGS FAILED TO DEPLOY. THE CONTACT SUSTAINED A SPRAINED SHOULDER AND MEMORY LOSS THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A JUNK FACILITY. THE VEHICLE WAS NOT DIAGNOSED AND THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS UNAVAILABLE.

NHTSA ODI #10628023

150,000 miles · Aug 10, 2014
Air BagsCrashInjury

2002 TAHOE LT WAS TRAVELING SOUTH ON TWO LANE ROAD WHEN RIGHT FRONT TIRE HIT SOFT SHOULDER. CAR LEFT ROAD AND TRAVELED ABOUT 200 FEET BEFORE HITTING A POWER POLE. CAR STRUCK POLE JUST BEHIND LEFT FRONT TIRE. IMPACT SHEARED THE POLE OFF AND THE CAR ROLLED ONTO DRIVER'S SIDE, THEN SLID ABOUT ANOTHER THIRTY TO FIFTY FEET. NO AIRBAG…

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2002 TAHOE LT WAS TRAVELING SOUTH ON TWO LANE ROAD WHEN RIGHT FRONT TIRE HIT SOFT SHOULDER. CAR LEFT ROAD AND TRAVELED ABOUT 200 FEET BEFORE HITTING A POWER POLE. CAR STRUCK POLE JUST BEHIND LEFT FRONT TIRE. IMPACT SHEARED THE POLE OFF AND THE CAR ROLLED ONTO DRIVER'S SIDE, THEN SLID ABOUT ANOTHER THIRTY TO FIFTY FEET. NO AIRBAGS DEPLOYED. DRIVER STRUCK FACE ON STEERING WHEEL, CUTTING FOREHEAD AND RECEIVED OTHER FACIAL INJURIES. LEFT LEG WAS BROKEN IN FOUR PLACES AND DRIVER WAS PINNED IN CAR FOR ONE AN ONE HALF HOURS. THE VEHICLE WAS A TOTAL LOSS. *TR

NHTSA ODI #10621178

285,000 miles · Jul 23, 2014
Air BagsCrashInjury

TL* THE CONTACT OWNS A 2002 CHEVROLET TAHOE. WHILE DRIVING 45 MPH, THE CONTACT'S VEHICLE WAS REAR ENDED BY ANOTHER VEHICLE. AND CRASHED INTO A GUARD RAIL. THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED AND THE VEHICLE WAS DESTROYED. THE CONTACT'S HEAD STRUCK THE STEERING WHEEL AND HE WAS TRANSPORTED TO THE HOSPITAL BY …

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TL* THE CONTACT OWNS A 2002 CHEVROLET TAHOE. WHILE DRIVING 45 MPH, THE CONTACT'S VEHICLE WAS REAR ENDED BY ANOTHER VEHICLE. AND CRASHED INTO A GUARD RAIL. THE AIR BAGS FAILED TO DEPLOY. A POLICE REPORT WAS FILED AND THE VEHICLE WAS DESTROYED. THE CONTACT'S HEAD STRUCK THE STEERING WHEEL AND HE WAS TRANSPORTED TO THE HOSPITAL BY AMBULANCE. THE CONTACT SUSTAINED SPINAL CORD AND NECK INJURIES. THE DOCTOR X-RAYED THE CONTACT AND DIAGNOSED HIM WITH BURNING PARESTHEGIC, HYPER-ESTHESIA, AND CENTRAL CORD SYNDROME. THE CONTACT WAS RELEASED FROM THE HOSPITAL TWO DAYS AFTER THE CRASH. THE FAILURE MILEAGE WAS 285,000.

NHTSA ODI #10615602

88,000 miles · Apr 2, 2014
Air BagsElectrical System

IN 2009 MY IGNITION SWITCH WOULD NOT WORK.I WOULD TRY 3 OR 4 TIMES TO START THE CAR AND IT WOULD FINALLY START. IT OCCURRED DRIVING FOR ABOUT 1 HOUR OVER BUMPY ROADS. I HAD WESELOH CHEVROLET DIAGNOSE IT BUT THEY COULDN'T IDENTIFY THE PROBLEM. FINALLY THEY INSTALLED A NEW IGNITION SWITCH AND CHARGED ME 425.OO AND IT STILL SHUT…

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IN 2009 MY IGNITION SWITCH WOULD NOT WORK.I WOULD TRY 3 OR 4 TIMES TO START THE CAR AND IT WOULD FINALLY START. IT OCCURRED DRIVING FOR ABOUT 1 HOUR OVER BUMPY ROADS. I HAD WESELOH CHEVROLET DIAGNOSE IT BUT THEY COULDN'T IDENTIFY THE PROBLEM. FINALLY THEY INSTALLED A NEW IGNITION SWITCH AND CHARGED ME 425.OO AND IT STILL SHUTS OFF. NOW I FIN D OUT THEY KNEW ABOUT THIS IN 2003.MY CAR IS UNSAFE.THEY INSTALLE ANOTHER DEFECTIVE IGNITION SWITCH. THE DEALERSHIP IS IN CARLSBAD CALIFORNIA.THEIR PHONE NUMBER IS[XXX] PLEASE HELP. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10576743

198,500 miles · Feb 17, 2013
Air BagsCrashInjury

TRAFFIC STOPPED IN FRONT OF ME UNEXPECTEDLY, I SWERVED TO AVOID CAR IN FRONT OF ME AND HIT CONCRETE WALL. AIR BAGS DID NOT WORK. MY FACE HIT STEERING WHEEL, CAUSING INJURY TO NOSE AND MOUTH. *TR

NHTSA ODI #10498415

236,000 miles · May 14, 2012
Air BagsCrashInjury

REAR ENDED A VEHICLE GOING APPROX. 70 MPH AND HAD EXTENSIVE FRONT END DAMAGE HOWEVER THE AIR BAGS FAILED TO DEPLOY. DRIVER HIT HEAD ON STEERING WHEEL AND PASSENGER SUFFERED SEVER HEAD INJURY. *JS

NHTSA ODI #10458444

118,000 miles · Sep 5, 2010
Air BagsSeat BeltsCrashInjury

I WAS DRIVING MY 2002 CHEVY TAHOE, A GENTLEMAN RAN A STOP SIGN, I HIT HIM AT 39 MPH, HEAD ON IN MY TAHOE, T-BONED HIS TRUCK. NEITHER AIRBAG DEPLOYED, NOR DID MY SEATBELT KEEP ME FROM HITTING THE STEERING WHEEL AND MY HEAD KNOCKING ME OUT. GM SENT SOMEONE TO LOOK AT MY CAR WHICH HAS BEEN DEEMED A TOTAL LOSS. I HAVE YET TO HEAR…

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I WAS DRIVING MY 2002 CHEVY TAHOE, A GENTLEMAN RAN A STOP SIGN, I HIT HIM AT 39 MPH, HEAD ON IN MY TAHOE, T-BONED HIS TRUCK. NEITHER AIRBAG DEPLOYED, NOR DID MY SEATBELT KEEP ME FROM HITTING THE STEERING WHEEL AND MY HEAD KNOCKING ME OUT. GM SENT SOMEONE TO LOOK AT MY CAR WHICH HAS BEEN DEEMED A TOTAL LOSS. I HAVE YET TO HEAR BACK FROM GM ON THIS INCIDENT. I PURCHASED THIS CAR BRAND NEW THINKING IT WAS SAFE. THE ONE TIME I NEEDED MY SEATBELT TO WORK, IT FAILED. THE COMPUTER IN MY CAR SHOWED BOTH SEATBELTS WERE ON AND IN WORKING ORDER, IT SHOWED THE CRASH WAS AT 39 MPH YET THE AIRBAGS DID NOT DEPLOY AND THEY WERE IN PROPER WORKING ORDER. WHATEVER ANSWER GM GIVES ME WILL NOT BE GOOD ENOUGH UNLESS THEY ADMIT TO FAULTINESS IN THEIR EQUIPMENT. *TR

NHTSA ODI #10353935

Mileage unknown · Aug 20, 2007
Air BagsCrashInjury

MY DAUGHTER WAS DRIVING MY 2002 CHEVY TAHOE WHEN IT WAS SIDE SWIPED BY ANOTHER CAR. THE CAR WENT OUT OF CONTROL AND ROLLED THREE TIMES LANDING ON IT'S HOOD. THE FRONT OR SIDE AIRBAGS DID NOT DEPLOY. *TR

NHTSA ODI #10200142

Mileage unknown · Mar 20, 2007
Air BagsEquipment

ON MARCH 20. 2007 I RECIEVED A LETTER FROM ONSTAR TELLING ME THAT A SAFETY FEATURE THAT I PURCHASED NEW WITH MY 2002 CHEVROLET TAHOE WILL NOT BE OPERABLE AFTER DECEMBER 31, 2007. I WILL NO LONGER HAVE THE ONSTAR SYSTEM TO CALL 911 AUTOMATICALLY IN CASE AIR BAG DEPLOYMENT. I UNDERSTAND THAT THERE ABOUT 2 MILLION OWNERS OF GM C…

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ON MARCH 20. 2007 I RECIEVED A LETTER FROM ONSTAR TELLING ME THAT A SAFETY FEATURE THAT I PURCHASED NEW WITH MY 2002 CHEVROLET TAHOE WILL NOT BE OPERABLE AFTER DECEMBER 31, 2007. I WILL NO LONGER HAVE THE ONSTAR SYSTEM TO CALL 911 AUTOMATICALLY IN CASE AIR BAG DEPLOYMENT. I UNDERSTAND THAT THERE ABOUT 2 MILLION OWNERS OF GM CARS THAT WILL HAVE THE SAME PROBLEM. *AK

NHTSA ODI #10185655

Official recalls

3

05V379000 · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip

Aug 29, 2005

CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES MAY EXPERIENCE UNWANTED ANTILOCK BRAKE SYSTEM (ABS) ACTIVATION. THIS CONDITION IS MORE LIKELY TO OCCUR IN ENVIRONMENTALLY CORROSIVE AREAS. THIS RECALL WILL BE LAUNCHED IN THE "SALT BELT" STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MARYLAND, MASSACHUSETTS, MAINE, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN AND THE DISTRICT OF COLUMBIA ONLY.

Consequence & remedy

Consequence: THIS CAN CAUSE INCREASED STOPPING DISTANCES DURING LOW-SPEED BRAKE APPLICATIONS, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS ARE TO REMOVE THE WHEEL SPEED SENSOR AND THOROUGHLY CLEAN THE WHEEL SPEED SENSOR MOUNTING SURFACE ON THE BEARING, APPLY RUST INHIBITOR TO THE CLEANED SURFACE, GREASE THE MOUNTING SURFACE, REINSTALL THE WHEEL SPEED SENSOR, AND CHECK THE PEAK-TO-PEAK OUTPUT VOLTAGE TO ENSURE THE WHEEL SPEED SIGNAL IS WITHIN SPECIFICATIONS. THE RECALL BEGAN SEPTEMBER 22, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463.

03V094000 · Structure

Mar 7, 2003

CERTAIN PICKUP TRUCK, VAN, AND MINI VAN CONVERSIONS EQUIPPED WITH SOUTHERN COMFORT BUILT RUNNING BOARDS THAT CONTAIN CERTAIN COURTESY LIGHTS MANUFACTURED BY AMERICAN TECHNOLOGY COMPONENTS, INC. THESE UNITS CONTAIN A COURTESY LIGHT OR LIGHTS THAT MIGHT OVERHEAT WHEN THE WIRE HARNESS IS EXPOSED TO EXCESSIVE MOISTURE AND ROAD SALT.

Consequence & remedy

Consequence: THIS OVERHEATING CONDITION CAN CAUSE THE RUNNING BOARD TO MELT OR CAUSE A FIRE.

Remedy: DEALERS WILL REPLACE THE WIRING HARNESS ON THESE RUNNING BOARDS. OWNER NOTIFICATION BEGAN MARCH 7, 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 SOUTHERN COMFORT AT 1-800-745-6096.

02V253000 · Seats:front Assembly:head Restraint

Sep 17, 2002

ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH REARWARD FOLDING HEAD RESTRAINTS ON THE SECOND ROW SEATS, TWO POTENTIAL PINCH POINTS EXIST ON EACH OF THE FOLDING HEAD RESTRAINTS WHEN THE RESTRAINTS ARE FOLDED REARWARD AS THE SEATBACK IS FOLDED DOWN.

Consequence & remedy

Consequence: IF A PERSON WERE TO INSERT THEIR FINGER(S) INTO THE PINCH POINT WHEN THE HEAD RESTRAINT FOLDS, IT COULD TRAP AND PINCH THE FINGER(S) CAUSING INJURY.

Remedy: DEALERS WILL INSTALL PROTECTIVE COVERS OVER THE PINCH POINTS. OWNER NOTIFICATION BEGAN NOVEMBER 8, 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 CHEVROLET AT 1-800-222-1020, GMC AT 1-800-462-8782, OR CADILLAC AT 1-800-458-8006.

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

5

EA11001 · Brake Line Corrosion Failure

Opened Jan 5, 2011 · Closed Apr 8, 2015

Status: closed (inferred from source dates) · Service Brakes, Hydraulic; Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings

On January 11, 2011, ODI opened EA11-001 to investigate allegations of premature brake line corrosion failure in model year (MY) 1999 through 2003 General Motors (GM) full-size pickup trucks and sport utility vehicles sold or registered in the following region of the United States that NHTSA has viewed as salt states for investigations of corrosion related issues:Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia and Wisconsin.The subject vehicles represent the first five MY's of GM's GMT800 platform production, of which approximately 2,038,504 vehicles were sold in salt states (the subject vehicles).The GMT800 platform includes the following vehicles:1999-2007 Chevrolet Silverado and GMC Sierra 1500, 2500 and 3500 series pick-up trucks; 2000-2006 Chevrolet Suburban, Chevrolet Tahoe and GMC Yukon sport utility vehicles; and 2002-2006 Cadillac Escalade and Chevrolet Avalanche sport-utility vehicles.General Motors produced a total of approximately 10,427,062 GMT800 vehicles for sales in the United States, including almost 5 million that were sold in salt states.Although there are over 60 different brake pipe routing configuration used in GMT800 vehicles, with the exception of the rear crossover pipes in MY 200x-2007 vehicles that changed from rear disc to drum brakes, all of the vehicles use brake pipes from the same supplier with a common double-wall, brazed steel pipe design with a combination of hot dip Zinc-Aluminum corrosion protection coating and Aluminum paint outer layer known in the industry as AlGal (ASTM-B750). ODI analysis of field data regarding GMT800 vehicles identified a total of 3,645 complaints of brake pipe corrosion failures, including 107 alleging crashes, and 40 injuries.Though only 20% of total GMT800 production, due to age and region the subject vehicles account for a disproportionate share of the failure experience; with 2,702 of the complaints (75%), 88 of the crashes (82%) and 20 of the injuries (50%) reported in those vehicles.Analysis of the complaints showed strong correlations to vehicle age and region.For vehicles with less than 8 years of service, the complaint rates were minimal for all regions.In the salt states the failure rates begin to climb as the vehicles advance in age, particularly in the Northeast corner of the United States.The complaint rates in the salt states go from less than 0.1 incident per thousand vehicles (IPTV) at 7 years in service to over 1.0 IPTV after the 12th year of service for the subject pickup trucks and utility vehicles.Most of the failures reported to ODI occurred in vehicles with more than 10 years in service.ODI?s investigation did not identify any specific defect conditions that were causing or contributing to the brake pipe failures.Nor did the analysis isolate the problem to any subject vehicle sub-populations when analyzed by vehicle type or production range.The investigation found that vehicles experiencing brake pipe corrosion failures were likely to have general patterns of excessive corrosion on the majority of the brake pipe assembly and appear to be occurring due to expected wear out for the brake pipe coating material used in the subject vehicles and the environmental conditions in severe corrosion states.A safety-related defect has not been identified at this time.Accordingly, this 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 will monitor t

Additional source detail variants (2)

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

On January 11, 2011, ODI opened EA11-001 to investigate allegations of premature brake line corrosion failure in model year (MY) 1999 through 2003 General Motors (GM) full-size pickup trucks and sport utility vehicles sold or registered in the following region of the United States that NHTSA has viewed as salt states for investigations of corrosion related issues:Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia and Wisconsin.The subject vehicles represent the first five MY's of GM's GMT800 platform production, of which approximately 2,038,504 vehicles were sold in salt states (the subject vehicles).The GMT800 platform includes the following vehicles:1999-2007 Chevrolet Silverado and GMC Sierra 1500, 2500 and 3500 series pick-up trucks; 2000-2006 Chevrolet Suburban, Chevrolet Tahoe and GMC Yukon sport utility vehicles; and 2002-2006 Cadillac Escalade and Chevrolet Avalanche sport-utility vehicles.General Motors produced a total of approximately 10,427,062 GMT800 vehicles for sales in the United States, including almost 5 million that were sold in salt states.Although there are over 60 different brake pipe routing configuration used in GMT800 vehicles, with the exception of the rear crossover pipes in MY 200x-2007 vehicles that changed from rear disc to drum brakes, all of the vehicles use brake pipes from the same supplier with a common double-wall, brazed steel pipe design with a combination of hot dip Zinc-Aluminum corrosion protection coating and Aluminum paint outer layer known in the industry as AlGal (ASTM-B750). ODI analysis of field data regarding GMT800 vehicles identified a total of 3,645 complaints of brake pipe corrosion failures, including 107 alleging crashes, and 40 injuries.Though only 20% of total GMT800 production, due to age and region the subject vehicles account for a disproportionate share of the failure experience; with 2,702 of the complaints (75%), 88 of the crashes (82%) and 20 of the injuries (50%) reported in those vehicles.Analysis of the complaints showed strong correlations to vehicle age and region.For vehicles with less than 8 years of service, the complaint rates were minimal for all regions.In the salt states the failure rates begin to climb as the vehicles advance in age, particularly in the Northeast corner of the United States.The complaint rates in the salt states go from less than 0.1 incident per thousand vehicles (IPTV) at 7 years in service to over 1.0 IPTV after the 12th year of service for the subject pickup trucks and utility vehicles.Most of the failures reported to ODI occurred in vehicles with more than 10 years in service.ODI?s investigation did not identify any specific defect conditions that were causing or contributing to the brake pipe failures.Nor did the analysis isolate the problem to any subject vehicle sub-populations when analyzed by vehicle type or production range.The investigation found that vehicles experiencing brake pipe corrosion failures were likely to have general patterns of excessive corrosion on the majority of the brake pipe assembly and appear to be occurring due to expected wear out for the brake pipe coating material used in the subject vehicles and the environmental conditions in severe corrosion states.A safety-related defect has not been identified at this time.Accordingly, this 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 will monitor t

Service Brakes, Hydraulic

On January 11, 2011, ODI opened EA11-001 to investigate allegations of premature brake line corrosion failure in model year (MY) 1999 through 2003 General Motors (GM) full-size pickup trucks and sport utility vehicles sold or registered in the following region of the United States that NHTSA has viewed as salt states for investigations of corrosion related issues:Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia and Wisconsin.The subject vehicles represent the first five MY's of GM's GMT800 platform production, of which approximately 2,038,504 vehicles were sold in salt states (the subject vehicles).The GMT800 platform includes the following vehicles:1999-2007 Chevrolet Silverado and GMC Sierra 1500, 2500 and 3500 series pick-up trucks; 2000-2006 Chevrolet Suburban, Chevrolet Tahoe and GMC Yukon sport utility vehicles; and 2002-2006 Cadillac Escalade and Chevrolet Avalanche sport-utility vehicles.General Motors produced a total of approximately 10,427,062 GMT800 vehicles for sales in the United States, including almost 5 million that were sold in salt states.Although there are over 60 different brake pipe routing configuration used in GMT800 vehicles, with the exception of the rear crossover pipes in MY 200x-2007 vehicles that changed from rear disc to drum brakes, all of the vehicles use brake pipes from the same supplier with a common double-wall, brazed steel pipe design with a combination of hot dip Zinc-Aluminum corrosion protection coating and Aluminum paint outer layer known in the industry as AlGal (ASTM-B750). ODI analysis of field data regarding GMT800 vehicles identified a total of 3,645 complaints of brake pipe corrosion failures, including 107 alleging crashes, and 40 injuries.Though only 20% of total GMT800 production, due to age and region the subject vehicles account for a disproportionate share of the failure experience; with 2,702 of the complaints (75%), 88 of the crashes (82%) and 20 of the injuries (50%) reported in those vehicles.Analysis of the complaints showed strong correlations to vehicle age and region.For vehicles with less than 8 years of service, the complaint rates were minimal for all regions.In the salt states the failure rates begin to climb as the vehicles advance in age, particularly in the Northeast corner of the United States.The complaint rates in the salt states go from less than 0.1 incident per thousand vehicles (IPTV) at 7 years in service to over 1.0 IPTV after the 12th year of service for the subject pickup trucks and utility vehicles.Most of the failures reported to ODI occurred in vehicles with more than 10 years in service.ODI?s investigation did not identify any specific defect conditions that were causing or contributing to the brake pipe failures.Nor did the analysis isolate the problem to any subject vehicle sub-populations when analyzed by vehicle type or production range.The investigation found that vehicles experiencing brake pipe corrosion failures were likely to have general patterns of excessive corrosion on the majority of the brake pipe assembly and appear to be occurring due to expected wear out for the brake pipe coating material used in the subject vehicles and the environmental conditions in severe corrosion states.A safety-related defect has not been identified at this time.Accordingly, this 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 will monitor t

DP05009 · Parking Brake Failure

Opened Dec 20, 2005 · Closed May 31, 2006

Status: closed (inferred from source dates) · Parking Brake; Parking Brake:conventional; Parking Brake:conventional:mechanical

ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.

Additional source detail variants (3)

Parking Brake:conventional

ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.

Parking Brake:conventional:mechanical

ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.

Parking Brake

ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.

PE05020 · Unwanted LOW-SPEED Abs Activation

Opened Apr 28, 2005 · Closed Sep 13, 2005

Status: closed (inferred from source dates) · Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip; Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module

IN A LETTER DATED AUGUST 29, 2005, GM NOTIFIED ODI THAT IT WAS RECALLING CERTAIN MODEL YEAR 1999 THROUGH 2002 C/K PICKUP TRUCKS AND SPORT UTILITY VEHICLES TO CORRECT A PROBLEM WITH ANTI-LOCK BRAKE SYSTEM (ABS) WHEEL SPEED SENSOR CORROSION THAT MAY RESULT IN UNWANTED ABS ACTIVATION AND EXTENDED STOPPING DISTANCES DURING LOW-SPEED BRAKING (RECALL 05V-379).GM'S RECALL COVERS APPROXIMATELY 804,000 VEHICLES CURRENTLY REGISTERED IN THE FOLLOWING 14 SALT-BELT STATES:CONNECTICUT, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, AND WEST VIRGINIA.THE RECALL PROCEDURE WILL INVOLVE REMOVING THE SENSOR, CLEANING THE MOUNTING SURFACE, APPLYING A RUST INHIBITOR (ZINC-X) TO THE SURFACE, AND REINSTALLING THE SENSOR.IF NECESSARY, THE SENSOR WILL BE REPLACED. THE POPULATION AND FAILURE REPORT DATA GIVEN IN THIS RESUME ARE FOR THE FULL REGION THAT HAS BEEN CONSIDERED BY ODI AS THE SALT-BELT.THAT INCLUDES DELAWARE, IOWA, MARYLAND, MINNESOTA, MISSOURI, WISCONSIN AND THE DISTRICT OF COLUMBIA IN ADDITION TO THE 14 STATES INCLUDED IN 05V-379.THE STATES COVERED BY GM'S RECALL HAVE THE HIGHEST INCIDENT RATES FOR THE SUBJECT CONDITION, ACCOUNTING FOR 91% OF THE INCIDENTS, BUT ONLY 24% OF SUBJECT VEHICLE SALES IN THE UNITED STATES.ODI'S ANALYSIS DETERMINED THAT 840 OF THE COMPLAINTS, 244 OF THE CRASHES, AND 16 OF THE INJURIES IDENTIFIED IN THIS INVESTIGATION OCCURRED IN THOSE STATES.THE RESULTING INCIDENT AND CRASH RATES ARE 96.2 AND 28.0 PER 100,000 VEHICLES RESPECTIVELY (NOTE:RATES ARE BASED ON VEHICLE SALES, NOT REGISTERED VEHICLES). THE CORRESPONDING NUMBERS IN THE EXCLUDED PORTIONS OF THE SALT-BELT ARE 399,000 VEHICLES, 81 INCIDENTS (20.3 PER 100,000 VEHICLES), 3 CRASHES, AND NO INJURIES.THE STATISTICS IN THE REMAINING 30 STATES ARE 2,406,000 VEHICLES, 168 INCIDENTS (7.0 PER 100,000 VEHICLES), 31 CRASHES, AND ONE INJURY.GM AND ODI ARE CONTINUING TO MONITOR THE PROBLEM EXPERIENCE IN STATES THAT ARE NOT INCLUDED IN THE RECALL.GM WILL PROVIDE ODI WITH UPDATED COMPLAINT, FIELD REPORT, AND WARRANTY DATA IN NOVEMBER 2005.ODI AND GM WILL REVIEW THAT DATA AND ASSESS THE APPROPRIATENESS OF THE CURRENT SCOPE OF THE RECALL AT THAT TIME.

Additional source detail variants (2)

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip:control Unit/module

IN A LETTER DATED AUGUST 29, 2005, GM NOTIFIED ODI THAT IT WAS RECALLING CERTAIN MODEL YEAR 1999 THROUGH 2002 C/K PICKUP TRUCKS AND SPORT UTILITY VEHICLES TO CORRECT A PROBLEM WITH ANTI-LOCK BRAKE SYSTEM (ABS) WHEEL SPEED SENSOR CORROSION THAT MAY RESULT IN UNWANTED ABS ACTIVATION AND EXTENDED STOPPING DISTANCES DURING LOW-SPEED BRAKING (RECALL 05V-379).GM'S RECALL COVERS APPROXIMATELY 804,000 VEHICLES CURRENTLY REGISTERED IN THE FOLLOWING 14 SALT-BELT STATES:CONNECTICUT, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, AND WEST VIRGINIA.THE RECALL PROCEDURE WILL INVOLVE REMOVING THE SENSOR, CLEANING THE MOUNTING SURFACE, APPLYING A RUST INHIBITOR (ZINC-X) TO THE SURFACE, AND REINSTALLING THE SENSOR.IF NECESSARY, THE SENSOR WILL BE REPLACED. THE POPULATION AND FAILURE REPORT DATA GIVEN IN THIS RESUME ARE FOR THE FULL REGION THAT HAS BEEN CONSIDERED BY ODI AS THE SALT-BELT.THAT INCLUDES DELAWARE, IOWA, MARYLAND, MINNESOTA, MISSOURI, WISCONSIN AND THE DISTRICT OF COLUMBIA IN ADDITION TO THE 14 STATES INCLUDED IN 05V-379.THE STATES COVERED BY GM'S RECALL HAVE THE HIGHEST INCIDENT RATES FOR THE SUBJECT CONDITION, ACCOUNTING FOR 91% OF THE INCIDENTS, BUT ONLY 24% OF SUBJECT VEHICLE SALES IN THE UNITED STATES.ODI'S ANALYSIS DETERMINED THAT 840 OF THE COMPLAINTS, 244 OF THE CRASHES, AND 16 OF THE INJURIES IDENTIFIED IN THIS INVESTIGATION OCCURRED IN THOSE STATES.THE RESULTING INCIDENT AND CRASH RATES ARE 96.2 AND 28.0 PER 100,000 VEHICLES RESPECTIVELY (NOTE:RATES ARE BASED ON VEHICLE SALES, NOT REGISTERED VEHICLES). THE CORRESPONDING NUMBERS IN THE EXCLUDED PORTIONS OF THE SALT-BELT ARE 399,000 VEHICLES, 81 INCIDENTS (20.3 PER 100,000 VEHICLES), 3 CRASHES, AND NO INJURIES.THE STATISTICS IN THE REMAINING 30 STATES ARE 2,406,000 VEHICLES, 168 INCIDENTS (7.0 PER 100,000 VEHICLES), 31 CRASHES, AND ONE INJURY.GM AND ODI ARE CONTINUING TO MONITOR THE PROBLEM EXPERIENCE IN STATES THAT ARE NOT INCLUDED IN THE RECALL.GM WILL PROVIDE ODI WITH UPDATED COMPLAINT, FIELD REPORT, AND WARRANTY DATA IN NOVEMBER 2005.ODI AND GM WILL REVIEW THAT DATA AND ASSESS THE APPROPRIATENESS OF THE CURRENT SCOPE OF THE RECALL AT THAT TIME.

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip

IN A LETTER DATED AUGUST 29, 2005, GM NOTIFIED ODI THAT IT WAS RECALLING CERTAIN MODEL YEAR 1999 THROUGH 2002 C/K PICKUP TRUCKS AND SPORT UTILITY VEHICLES TO CORRECT A PROBLEM WITH ANTI-LOCK BRAKE SYSTEM (ABS) WHEEL SPEED SENSOR CORROSION THAT MAY RESULT IN UNWANTED ABS ACTIVATION AND EXTENDED STOPPING DISTANCES DURING LOW-SPEED BRAKING (RECALL 05V-379).GM'S RECALL COVERS APPROXIMATELY 804,000 VEHICLES CURRENTLY REGISTERED IN THE FOLLOWING 14 SALT-BELT STATES:CONNECTICUT, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, AND WEST VIRGINIA.THE RECALL PROCEDURE WILL INVOLVE REMOVING THE SENSOR, CLEANING THE MOUNTING SURFACE, APPLYING A RUST INHIBITOR (ZINC-X) TO THE SURFACE, AND REINSTALLING THE SENSOR.IF NECESSARY, THE SENSOR WILL BE REPLACED. THE POPULATION AND FAILURE REPORT DATA GIVEN IN THIS RESUME ARE FOR THE FULL REGION THAT HAS BEEN CONSIDERED BY ODI AS THE SALT-BELT.THAT INCLUDES DELAWARE, IOWA, MARYLAND, MINNESOTA, MISSOURI, WISCONSIN AND THE DISTRICT OF COLUMBIA IN ADDITION TO THE 14 STATES INCLUDED IN 05V-379.THE STATES COVERED BY GM'S RECALL HAVE THE HIGHEST INCIDENT RATES FOR THE SUBJECT CONDITION, ACCOUNTING FOR 91% OF THE INCIDENTS, BUT ONLY 24% OF SUBJECT VEHICLE SALES IN THE UNITED STATES.ODI'S ANALYSIS DETERMINED THAT 840 OF THE COMPLAINTS, 244 OF THE CRASHES, AND 16 OF THE INJURIES IDENTIFIED IN THIS INVESTIGATION OCCURRED IN THOSE STATES.THE RESULTING INCIDENT AND CRASH RATES ARE 96.2 AND 28.0 PER 100,000 VEHICLES RESPECTIVELY (NOTE:RATES ARE BASED ON VEHICLE SALES, NOT REGISTERED VEHICLES). THE CORRESPONDING NUMBERS IN THE EXCLUDED PORTIONS OF THE SALT-BELT ARE 399,000 VEHICLES, 81 INCIDENTS (20.3 PER 100,000 VEHICLES), 3 CRASHES, AND NO INJURIES.THE STATISTICS IN THE REMAINING 30 STATES ARE 2,406,000 VEHICLES, 168 INCIDENTS (7.0 PER 100,000 VEHICLES), 31 CRASHES, AND ONE INJURY.GM AND ODI ARE CONTINUING TO MONITOR THE PROBLEM EXPERIENCE IN STATES THAT ARE NOT INCLUDED IN THE RECALL.GM WILL PROVIDE ODI WITH UPDATED COMPLAINT, FIELD REPORT, AND WARRANTY DATA IN NOVEMBER 2005.ODI AND GM WILL REVIEW THAT DATA AND ASSESS THE APPROPRIATENESS OF THE CURRENT SCOPE OF THE RECALL AT THAT TIME.

PE03026 · Steel Wheel Rim Fracture

Opened Jun 12, 2003 · Closed Nov 3, 2003

Status: closed (inferred from source dates) · Wheels; Wheels:multi Piece; Wheels:rim

THERE HAVE BEEN LESS THAN 2 COMPLAINTS PER 100,000 SUBJECT VEHICLES RELATED TO THE ALLEGED DEFECT.THE OLDEST VEHICLES (MY 1999) HAVE ONLY 2 COMPLAINTS IN OVER 140 THOUSAND VEHICLES AFTER OVER 4 YEARS IN SERVICE.THE RATE OF WARRANTY CLAIMS POTENTIALLY RELATED TO THE ALLEGED DEFECT IS LESS THAN 0.1%.THERE ARE NO KNOWN INCIDENTS INVOLVING RAPID LOSS OF TIRE PRESSURE OR LOSS OF VEHICLE CONTROL. A DEFECT TREND HAS NOT BEEN IDENTIFIED 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 WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.

Additional source detail variants (3)

Wheels

THERE HAVE BEEN LESS THAN 2 COMPLAINTS PER 100,000 SUBJECT VEHICLES RELATED TO THE ALLEGED DEFECT.THE OLDEST VEHICLES (MY 1999) HAVE ONLY 2 COMPLAINTS IN OVER 140 THOUSAND VEHICLES AFTER OVER 4 YEARS IN SERVICE.THE RATE OF WARRANTY CLAIMS POTENTIALLY RELATED TO THE ALLEGED DEFECT IS LESS THAN 0.1%.THERE ARE NO KNOWN INCIDENTS INVOLVING RAPID LOSS OF TIRE PRESSURE OR LOSS OF VEHICLE CONTROL. A DEFECT TREND HAS NOT BEEN IDENTIFIED 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 WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.

Wheels:multi Piece

THERE HAVE BEEN LESS THAN 2 COMPLAINTS PER 100,000 SUBJECT VEHICLES RELATED TO THE ALLEGED DEFECT.THE OLDEST VEHICLES (MY 1999) HAVE ONLY 2 COMPLAINTS IN OVER 140 THOUSAND VEHICLES AFTER OVER 4 YEARS IN SERVICE.THE RATE OF WARRANTY CLAIMS POTENTIALLY RELATED TO THE ALLEGED DEFECT IS LESS THAN 0.1%.THERE ARE NO KNOWN INCIDENTS INVOLVING RAPID LOSS OF TIRE PRESSURE OR LOSS OF VEHICLE CONTROL. A DEFECT TREND HAS NOT BEEN IDENTIFIED 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 WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.

Wheels:rim

THERE HAVE BEEN LESS THAN 2 COMPLAINTS PER 100,000 SUBJECT VEHICLES RELATED TO THE ALLEGED DEFECT.THE OLDEST VEHICLES (MY 1999) HAVE ONLY 2 COMPLAINTS IN OVER 140 THOUSAND VEHICLES AFTER OVER 4 YEARS IN SERVICE.THE RATE OF WARRANTY CLAIMS POTENTIALLY RELATED TO THE ALLEGED DEFECT IS LESS THAN 0.1%.THERE ARE NO KNOWN INCIDENTS INVOLVING RAPID LOSS OF TIRE PRESSURE OR LOSS OF VEHICLE CONTROL. A DEFECT TREND HAS NOT BEEN IDENTIFIED 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 WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.

EA02015 · Throttle Sticking Closed

Opened Aug 1, 2002 · Closed Jan 12, 2004

Status: closed (inferred from source dates) · Vehicle Speed Control:linkages

THIS INVESTIGATION INVOLVES THE GENERAL MOTORS CORPORATION (GM)THROTTLE BODY (TB) UTILIZED IN MODEL YEAR (MY) 1999-2002 SILVERADO, SIERRA, TAHOE, SUBURBAN, AVALANCHE AND YUKON (SUBJECT VEHICLE(S)) WITH 4.8L, 5.3L, AND 6.0L ENGINES. THE TB VALVE MAY INTERMITTENTLY STICK IN A CLOSED POSITION.IN SUCH A SITUATION, AN OPERATOR MAY APPLY ADDITIONAL ACCELERATOR PEDAL FORCE TO INCREASE ENGINE SPEED.THE APPLICATION OF ADDITIONAL ACCELERATOR PEDAL FORCE, TO OPEN A STUCK THROTTLE VALVE, MAY OPEN THE THROTTLE VALVE MORE THAN INTENDED AND, IN TURN, ACCELERATE THE ENGINE AND VEHICLE MORE THAN INTENDED AND REASONABLY EXPECTED BY THE DRIVER.ON AUGUST 1, 2002, THE OFFICE OF DEFECTS INVESTIGATION (ODI), OF THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION (NHTSA), OPENED THIS ENGINEERING ANALYSIS.THE INVESTIGATION REVEALED THAT TWO FACTORS MAY CAUSE THE DEFECT: 1) TB MANUFACTURING PROCESS PROBLEMS; AND 2) ACCUMULATION OF DEPOSITS (A PCV SYSTEM BY-PRODUCT) ON OR AROUND THE TB THROTTLE VALVE AND BORE.ODI CONCLUDES THAT THE TB PERFORMS IN A DEFECTIVE MANNER AFTER ANALYZING GM?S DATA SUBMISSIONS, AND TEST DATA COLLECTED BY THE VEHICLE RESEARCH AND TEST CENTER (VRTC).FIFTY-NINE CRASHES ARE ALLEGED TO HAVE OCCURRED AS A RESULT OF GM?S TB DEFECT.THE MAJORITY OF THE CRASHES INVOLVE A SINGLE VEHICLE, ENGAGING IN A CLOSE QUARTER VEHICLE MANEUVER (OR LOW SPEED), AND CAUSING ONLY MINOR PROPERTY DAMAGE.FOUR OUT OF THE FIFTY-NINE CRASHES INVOLVE INJURY, AND THOSE INJURIES WERE MINOR.ALTHOUGH GM?S TB IS DEFECTIVE, BASED ON THE EVIDENCE GATHERED, ODI HAS FOUND THAT THE ACCELERATOR PEDAL FORCE REQUIRED TO OPEN A STUCK THROTTLE VALVE IS NEGLIGIBLE, AND THE THROTTLE VALVE DOES NOT STICK IN THE OPEN POSITION.THEREFORE THIS ENGINEERING ANALYSIS (EA02-015) WILL BE CLOSED AT THIS TIME.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.FOR A DETAILED DISCUSSION OF THE TB COMPONENT AND TESTING, PLEASE SEE THE ATTACHED REPORT.