NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
449 reports45,000 miles · Oct 6, 2005
Service Brakes, Hydraulic
THE CONSUMER'S 2002 CHEVROLET TAHOE HAS ANTI LOCK BRAKE ISSUES. WHEN TRYING TO APPLY THE BRAKES VEHICLE DID NOT COME TO A COMPLETE STOP. SAW RECALL 05068 T ON NHTSA'S WEBSITE. THE DEALER WILL NOT COMMIT TO DO A RECALL REMEDY. AND GM DID FEEL IT HAS TO DO A RECALL. THE CAR WAS UNSAFE TO DRIVE. MY WIFE DROVE INTO A INTERSECTIO…
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THE CONSUMER'S 2002 CHEVROLET TAHOE HAS ANTI LOCK BRAKE ISSUES. WHEN TRYING TO APPLY THE BRAKES VEHICLE DID NOT COME TO A COMPLETE STOP. SAW RECALL 05068 T ON NHTSA'S WEBSITE. THE DEALER WILL NOT COMMIT TO DO A RECALL REMEDY. AND GM DID FEEL IT HAS TO DO A RECALL. THE CAR WAS UNSAFE TO DRIVE. MY WIFE DROVE INTO A INTERSECTION AND FORTUNATELY NOBODY GOT HURT.*AK THE SENSORS WOULD PULSATE AND CAUSE THE VEHICLE NOT TO STOP. *NM
NHTSA ODI #10134903
49,000 miles · Oct 4, 2005
Service Brakes, Hydraulic
(1)I'VE RECENTLY EXPERIENCED ISSUES WITH MY ANTI-LOCK BRAKES ON MY 2002 CHEVY TAHOE. I CONSULTED WITH MY MECHANIC AND UNDERSTAND THAT IF I LIVED IN SEVERAL STATES IN THE "SALT BELT" OR CANADA, THIS ISSUE WOULD BE CONSIDERED A SAFETY CONCERN AND COVERED WITH A RECALL. HOWEVER, SINCE I LIVE IN MINNESOTA (WHERE WE HAVE SIGNIFICAN…
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(1)I'VE RECENTLY EXPERIENCED ISSUES WITH MY ANTI-LOCK BRAKES ON MY 2002 CHEVY TAHOE. I CONSULTED WITH MY MECHANIC AND UNDERSTAND THAT IF I LIVED IN SEVERAL STATES IN THE "SALT BELT" OR CANADA, THIS ISSUE WOULD BE CONSIDERED A SAFETY CONCERN AND COVERED WITH A RECALL. HOWEVER, SINCE I LIVE IN MINNESOTA (WHERE WE HAVE SIGNIFICANT SNOW AND ICE EACH WINTER, AND SALT IS HEAVILY USED ON THE ROADS) THE RECALL DOES NOT APPLY. TO ME, THIS INDICATES THAT MY SAFETY IS NOT AS IMPORTANT AS THOSE IN OTHER STATES WHO HAVE PERCEIVED WORSE WINTER CONDITIONS? (2) I AM GOING TO HAVE TO GET THIS ISSUE REPAIRED, AND WOULD PREFER IT TO BE COVERED. I JUST PURCHASED THIS VEHICLE (GM CERTIFIED USED) IN FEBRUARY AND WOULD HAVE HOPED IT WOULD BE IN GREAT CONDITION. IF I DO NOT GET THIS TAKEN CARE OF, MY UNDERSTANDING IS THAT ACCIDENTS COULD RESULT FROM MALFUNCTIONING BRAKES. (3) I HAVE CONTACTED GM IN AN EFFORT TO GET THIS TAKEN CARE OF, SO WE'LL SEE IF THEY COME THROUGH. HOWEVER, MY RESEARCH DOESN'T GIVE ME GREAT CONFIDENCE. I WANTED TO FILE A COMPLAINT HERE IN HOPES THAT OTHERS FROM MN (OR WI, FOR THAT MATTER) WITH THE SAME ISSUE WOULDN'T HAVE THE SAME FRUSTRATING EXPERIENCE. *JB
NHTSA ODI #10138480
34,475 miles · Oct 3, 2005
Power Train
POWER TRAIN - TRANSMISSION 2002 TAHOE 1) UPON STARTING THE VEHICLE, WILL NOT ENGAGE IN REVERSE AND ENGINE REVS AS IF STILL IN PARK OR NEUTRAL. PLACE BACK IN PARK SEVERAL TIMES -- OR WAIT 30-60 SECONDS TO ENGAGE. 2) INTERMEDIATE SLIPPAGE IN LOW GEAR UPON ACCELERATION AT LOW SPEEDS OR FROM STOP. ENGINE BRIEFLY REVS THEN ENGAG…
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POWER TRAIN - TRANSMISSION 2002 TAHOE 1) UPON STARTING THE VEHICLE, WILL NOT ENGAGE IN REVERSE AND ENGINE REVS AS IF STILL IN PARK OR NEUTRAL. PLACE BACK IN PARK SEVERAL TIMES -- OR WAIT 30-60 SECONDS TO ENGAGE. 2) INTERMEDIATE SLIPPAGE IN LOW GEAR UPON ACCELERATION AT LOW SPEEDS OR FROM STOP. ENGINE BRIEFLY REVS THEN ENGAGES. *JB
NHTSA ODI #10138414
67,000 miles · Sep 27, 2005
Visibility
DT: HINGE ON THE GLASS OF THE REAR WINDOW SEPARATED DURING AN EXTREMELY HOT DAY OF 100 DEGREE PLUS TEMPERATURE. THE GLASS DID NOT BREAK BUT ONLY SEPARATED INTO PIECES. THIS HAPPENED ON A 2002 CHEVROLET TAHOE REAR LIFT GLASS. IF THE BACK LIFT GLASS DOOR WAS OPENED AND THE HINGE FULLY SEPARATED THE GLASS COULD FALL OFF ON A PE…
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DT: HINGE ON THE GLASS OF THE REAR WINDOW SEPARATED DURING AN EXTREMELY HOT DAY OF 100 DEGREE PLUS TEMPERATURE. THE GLASS DID NOT BREAK BUT ONLY SEPARATED INTO PIECES. THIS HAPPENED ON A 2002 CHEVROLET TAHOE REAR LIFT GLASS. IF THE BACK LIFT GLASS DOOR WAS OPENED AND THE HINGE FULLY SEPARATED THE GLASS COULD FALL OFF ON A PERSON OR ULTIMATELY FALL OUT OF THE HINGE AT HIGHWAY SPEEDS. THE GLASS NEVER FULLY SEPARATED;, ONLY ONE HINGE SEPARATED. NO PREVIOUS ISSUES WITH THIS PROBLEM. THE CONSUMER TOOK THE VEHICLE TO THE DEALER, WHO STATED THEY WOULD NOT REPAIR THE PROBLEM BECAUSE THE GLASS WOULD NOT BE COVERED UNDER THE WARRANTY. THE CONSUMER D NOTED THAT THE GLASS AND THE HINGE ARE TOGETHER IN ONE MANUFACTURED PIECE. THE CONSUMER CONTACTED GM THROUGH THE BETTER BUSINESS BUREAU, AND IT WAS LATER DETERMINED THAT GM WOULD NOT COVER THE REPAIRS. THE COST FOR THE REPAIR WAS $630. THE CONSUMER PAID OUT OF POCKET FOR THE GLASS AND REPLACED IT HIMSELF. THE CONSUMER NOTED THAT THE REPLACEMENT GLASS AND HINGE WERE NEWLY REDESIGNED.
NHTSA ODI #10137829
Mileage unknown · Sep 26, 2005
Steering
I HAVE HAD TO HAVE THE STEERING COLUMN IN MY 2002 CHEV. TAHOE REPLACED TWICE AND FIXED ANOTHER. THE VEHICLE STARTS MAKING A NOISE WHEN IT IS TURNED. AFTER A PERIOD OF TIME, THE STEERING GETS LOOSE AND IT SOUNDS AND FEELS LIKE WORN BALL JOINTS. ACCORDING TO THE MECHANICS AT THE DEALERSHIP, THIS IS A VERY COMMON PROBLEM AND OCCUR…
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I HAVE HAD TO HAVE THE STEERING COLUMN IN MY 2002 CHEV. TAHOE REPLACED TWICE AND FIXED ANOTHER. THE VEHICLE STARTS MAKING A NOISE WHEN IT IS TURNED. AFTER A PERIOD OF TIME, THE STEERING GETS LOOSE AND IT SOUNDS AND FEELS LIKE WORN BALL JOINTS. ACCORDING TO THE MECHANICS AT THE DEALERSHIP, THIS IS A VERY COMMON PROBLEM AND OCCURS WITH THE OTHER SIMILAR GM VEHICLES (YUKON AND ESCALADE). I HAD MY STEERING COLUMN REPLACED IN JULY AND IT IS ALREADY MAKING THE NOISE AGAIN. THEY CLAIM IT IS NOT A SAFETY ISSUE BUT I DON'T SEE HOW IT COULDN'T BE. MY EXTENDED WARRANTY WILL RUN OUT SOON AND THE NEXT TIME I REPLACE IT WILL BE OUT OF MY OWN POCKET. I AM VERY CONCERNED THAT THIS MAY BE AN ISSUE THAT WOULD CAUSE ME TO LOOSE CONTROL OF THE VEHICLE. *NM
NHTSA ODI #10137661
53,213 miles · Sep 25, 2005
Electrical System
MY 2002 CHEVROLET TAHOE STARTED GIVING ME TROUBLE ON 9/23/05. THE MESSAGE CENTER NEVER CAME ON TO SHOW THAT THE BATTERY WAS WEAK. ON 9/24/05, IT WOULDN'T START, I GOT A BOOST, I WENT TO YAZOO MOTOR'S TO CHECK THE BATTERY, I WAS TOLD SINCE THEIR ELECTRICITY WAS OFF (LIGHTS WERE OFF AT THE TIME), THEY COULDN'T CHECK IT. I WA…
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MY 2002 CHEVROLET TAHOE STARTED GIVING ME TROUBLE ON 9/23/05. THE MESSAGE CENTER NEVER CAME ON TO SHOW THAT THE BATTERY WAS WEAK. ON 9/24/05, IT WOULDN'T START, I GOT A BOOST, I WENT TO YAZOO MOTOR'S TO CHECK THE BATTERY, I WAS TOLD SINCE THEIR ELECTRICITY WAS OFF (LIGHTS WERE OFF AT THE TIME), THEY COULDN'T CHECK IT. I WAS TOLD TO BRING THE TRUCK BACK MONDAY. I EXPLAINED TO THEM THAT I HAD TO GET IT JUMP-STARTED TO GET HERE. I ASKED IF I GO AND PURCHASE ANOTHER BATTERY FROM ANOTHER PLACE, COULD I BRING IT BACK MONDAY AND HAVE IT ADJUSTED. I WAS ASKED HOW MANY MILES WERE ON MY TRUCK, I TOLD THEM 53,000 I WAS TOLD BY MARK, THAT THE WARRANTY WAS OFF. HE TOLD ME THAT THE BATTERY WAS ONLY COVERED WITH A 3 YEAR OR 36,000 MILES. HE STATED THAT IF I HAD PURCHASED THE BATTERY MYSELF, HE COULD ADJUST, BUT SINCE IT CAME AT THE TIME OF PURCHASE, THERE WAS NOTHING HE COULD DO. I LEFT GOING TO AUTO ZONE AND HAD THE BATTERY TESTED, HE (THE SALESMAN), STATED THAT IT SHOWED THE BATTERY WAS GOOD. THE DOT ON TOP OF THE BATTERY WAS GREEN, BUT WHEN I WENT TO LEAVE, MY TRUCK WOULDN'T START. SO I PURCHASED A NEW BATTERY AND MY TRUCK STARTED RIGHT UP. TWO WEEKS AGO MY HUSBAND, WHO OWNS A 2002 CADILLAC, HIS CAR CUT OFF WITHOUT A WARNING. HE CARRIED IT TO YAZOO MOTORS AND HE WAS TOLD THAT IT WOULD COST HIM $115.00 FOR THE BATTERY AND $35.00 TO INSTALL, THIS WAS DUE TO THE BATTERY BEING LOCATED UNDER THE BACK SEAT. HIS BATTERY WAS ALSO A DELCO WITH A 6 YEAR WARRANTY. NO LIGHT NEVER CAME ON HIS MESSAGE CENTER TO ADVISE HIM THAT THE BATTERY WAS GOING OUT. MY QUESTION: HAVE THERE BEEN ANY COMPLAINTS ON THE DELCO BATTERIES PUT IN TO THE 2002 GENERAL MOTORS PRODUCTS? THIS IS VERY UNUSUAL THAT THE BATTERIES IN TWO DIFFERENT VEHICLES, IN THE SAME HOUSEHOLD, MADE THE SAME YEAR WOULD HAVE TO BE REPLACED WITHIN A TWO WEEK PERIOD. BOTH WERE DELCO BATTERY WITH A 6 YEAR WARRANTY. PLEASE ADVISE ME IF YOU HAVE HAD ANY PROBLEMS WITH THIS PRODUCT. *JB
NHTSA ODI #10137546
Mileage unknown · Sep 19, 2005
Service Brakes, Hydraulic
UNWANTED ACTIVATION OF ANTI-LOCK BRAKES. IT HAS HAPPENED SEVERAL TIMES IN THE LAST TWO MONTHS AND IS VERY DANGEROUS. I NOTICED THAT THERE IS A PRODUCT RECALL FOR THIS VERY ISSUE AND WANT SOMETHING DONE ABOUT IT. *JB
NHTSA ODI #10137026
70,165 miles · Sep 16, 2005
Fuel System, Gasoline
MY 2002 CHEVY TAHOE HAS EXPERIENCED THREE FUEL PUMP FAILURES WITH THE LAST FAILURE BEING TODAY. IT COST ME IN EXCESS OF $ 850.00 TO REPLACE MY FUEL PUMP AND TANK TODAY. ALL POWER TO THE VEHICLE IS LOST WHEN THE FUEL PUMP HAS GONE OUT. I BELIEVE CHEVY SHOULD HAVE A RECALL ON THIS ITEM AS I BELIEVE IT COULD BE A SERIOUS PROBLEM TO…
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MY 2002 CHEVY TAHOE HAS EXPERIENCED THREE FUEL PUMP FAILURES WITH THE LAST FAILURE BEING TODAY. IT COST ME IN EXCESS OF $ 850.00 TO REPLACE MY FUEL PUMP AND TANK TODAY. ALL POWER TO THE VEHICLE IS LOST WHEN THE FUEL PUMP HAS GONE OUT. I BELIEVE CHEVY SHOULD HAVE A RECALL ON THIS ITEM AS I BELIEVE IT COULD BE A SERIOUS PROBLEM TO LOOSE POWER IF TRAVELING AT INTERSTATE SPEED. *NM
NHTSA ODI #10136804
90,000 miles · Sep 13, 2005
Engine And Engine Cooling
DT: THE CONTACT STATED TRUCK STALLED AT 60 MPH. NO LIGHTS CAME ON, IT JUST CUT OUT. IT USUALLY RESTARTED AFTER THE SECOND TIME. WHEN PARKING THE TRUCK AND LETTING IT SIT OVERNIGHT WITH OF TANK OF GAS IT WILL NOT START THE NEXT DAY UNTIL THE CONTACT PUT MORE GAS INTO THE TANK. AS LONG AS VEHICLE DID NOT SIT OVERNIGHT I…
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DT: THE CONTACT STATED TRUCK STALLED AT 60 MPH. NO LIGHTS CAME ON, IT JUST CUT OUT. IT USUALLY RESTARTED AFTER THE SECOND TIME. WHEN PARKING THE TRUCK AND LETTING IT SIT OVERNIGHT WITH OF TANK OF GAS IT WILL NOT START THE NEXT DAY UNTIL THE CONTACT PUT MORE GAS INTO THE TANK. AS LONG AS VEHICLE DID NOT SIT OVERNIGHT IT WILL USUALLY RESTART. THE CONTACT NOTICED THIS HAPPENING AT 90,000 MILES. HE KNEW SOMEONE ELSE WHO HAD THE EXACT SAME PROBLEM.*AK
NHTSA ODI #10136366
Mileage unknown · Aug 31, 2005
Service Brakes, Hydraulic
DT: THE CONSUMER WAS HAVING A PROBLEM WITH 2002 CHEVROLET TAHOE. THE ABS SYSTEM ACTIVATED AT LOW SPEEDS. THIS HAS CAUSED A COUPLE OF NEAR MISSES BECAUSE OF THE ABS KICKING IN. THIS IS HAPPENING AROUND 90 % OF THE TIME. THE CONSUMER HAS JUST HAD THE BRAKES AND ROTORS REPLACED , AND THIS HAS NOT HELPED THE SITUATION. THE CONSUMER…
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DT: THE CONSUMER WAS HAVING A PROBLEM WITH 2002 CHEVROLET TAHOE. THE ABS SYSTEM ACTIVATED AT LOW SPEEDS. THIS HAS CAUSED A COUPLE OF NEAR MISSES BECAUSE OF THE ABS KICKING IN. THIS IS HAPPENING AROUND 90 % OF THE TIME. THE CONSUMER HAS JUST HAD THE BRAKES AND ROTORS REPLACED , AND THIS HAS NOT HELPED THE SITUATION. THE CONSUMER WILL CALL GM TODAY, AND THE DEALERSHIP HAS CONFIRMED THAT IT WAS THE ABS SYSTEM ACTIVATING. THE CONSUMER WAS UPSET THAT SHE SAW THE TBS FROM THE DEALERSHIP AND SHE THOUGHT THAT GM SHOULD HAVE CORRECTED THIS PROBLEM LONG BEFORE NOW. THE SPEED IS 20 OR BELOW.*AK
NHTSA ODI #10134922
Official recalls
3Aug 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.
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.
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
5EA11001 · 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.
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