Model year record

2001 GMC Yukon recalls & problems

The 2001 GMC Yukon has 8 safety recalls and 197 owner complaints on file with NHTSA. The most-reported problem area is service brakes, hydraulic (57 complaints).

Recalls8safety recalls

Complaints197filed by owners

Crashes · fires23 · 0reported in complaints

Injuries · deaths14 · 1reported in complaints

Safety recalls

WheelsDec 17, 2007

Hub

Recall 07E106000130,000 vehicles

Problem: CERTAIN FEDERAL-MOGUL REPLACEMENT WHEEL HUB ASSEMBLIES WITH THE BRAND NAMES: NATIONAL, CARQUEST P/NOS. 515020, 515021, 515025, 515053, 515054, 515059, AND 515060, SHIPPED BETWEEN JANUARY 23, 2006, AND DECEMBER 20, 2007, SOLD FOR LIGHT DUTY AND MEDIUM DUTY TRUCKS. THE INBOARD RETENTION NUT USED TO MAINTAIN HUB BEARING ASSEMBLY CAN LOOSEN RESULTING IN AN ABS LIGHT INDICATION, NOISE, AND/OR WHEEL SEPARATION.
Risk: WHEEL SEPARATION CAN RESULT IN A VEHICLE CRASH.
Fix: FEDERAL-MOGUL WILL NOTIFY CUSTOMERS AND WILL REPLACE THE HUB ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON FEBRUARY 7, 2008. OWNERS CAN CONTACT FEDERAL-MOGUL TOLL-FREE AT 877-489-6659.

Engine and engine coolingNov 7, 2007

Engine and engine cooling

Recall 07V52100011,974 vehiclesopened after NHTSA action (ODI)

Problem: ON CERTAIN PICKUP TRUCKS EQUIPPED WITH AN 8.1L V8 ENGINE, THE CRANKSHAFT POSITION CAN OPERATE INTERMITTENTLY OR FAIL COMPLETELY. IF THE SENSOR OPERATES INTERMITTENTLY, THE SES LIGHT MAY ILLUMINATE AND THE VEHICLE MAY RUN ROUGH. THE ENGINE MAY STALL, AND IF SO, MAY RE-START IMMEDIATELY OR AFTER A COOL DOWN PERIOD.
Risk: IF THE SENSOR BECOMES COMPLETELY INOPERATIVE, THE ENGINE WILL QUIT RUNNING AND WILL NOT RE-START. EITHER OF THESE FAILURES CAN INCREASE THE RISK OF A CRASH.
Fix: DEALERS WILL REPLACE THE CRANKSHAFT POSITION SENSOR FREE OF CHARGE. THE RECALL BEGAN ON DECEMBER 18, 2007. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC AT 1-866-996-9463.

Fuel system, gasolineMay 19, 2006

Fuel system, gasoline

Recall 06E04300088,303 vehicles

Problem: CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.
Risk: THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD OCCUR.
Fix: HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION 1).

Service brakes, hydraulicAug 29, 2005

Antilock/traction control/electronic limited slip

Recall 05V3790001,353,718 vehiclesopened after NHTSA action (ODI)

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

StructureMar 7, 2003

Structure

Recall 03V0940003,674 vehicles

Problem: 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.
Risk: THIS OVERHEATING CONDITION CAN CAUSE THE RUNNING BOARD TO MELT OR CAUSE A FIRE.
Fix: 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.

SeatsSep 17, 2002

Front assembly › Head restraint

Recall 02V253000558,904 vehicles

Problem: 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.
Risk: 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.
Fix: 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.

Seat beltsMay 17, 2001

Front › Retractor

Recall 01V1590009,196 vehicles

Problem: VEHICLE DESCRIPTION: PICKUP AND UTILITY TRUCKS. SOME OF THESE VEHICLES HAVE AN INTERNAL COMPONENT IN THE OUTBOARD SEAT BELT RETRACTORS FOR THE 2ND AND 3RD ROW OF SEATS THAT COULD BE CRACKED. WITH REPEATED ACTUATION OF THE LOCKING MECHANISM, THE CRACK COULD SPREAD TO THE POINT SUCH THAT THE SEAT BELT WOULD NO LONGER LOCK.
Risk: IN A CRASH, INCREASED OCCUPANT INJURY COULD RESULT FROM THE NO-LOCK CONDITION.
Fix: DEALERS WILL INSPECT THE OUTBOARD SEAT BELTS FOR SPECIFIC LOT NUMBERS AND REPLACE THE BELTS IF NECESSARY. GM IS ENCLOSING AN INSPECTION PROCEDURE FOR THE OWNERS TO USE OR THEY CAN HAVE THEIR DEALERS DO THE INSPECTIONS. OWNER NOTIFICATION BEGAN JULY 2, 2001. 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 OR GMC AT 1-800-462-8782.

StructureOct 25, 2000

Body

Recall 00V34300035,659 vehicles

Problem: VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES. SOME OF THESE VEHICLES HAVE LOOSE OR MISSING REAR WHEELHOUSE PLUGS. UNDER CERTAIN VEHICLE OPERATING CONDITIONS, EXHAUST GASES CAN FLOW FORWARD AND ACCUMULATE IN THE REAR WHEELHOUSE.
Risk: THESE GASES COULD FLOW INTO THE PASSENGER COMPARTMENT IF THE PLUG IS MISSING OR LOOSE AND COULD CAUSE POSSIBLE ILLNESS, UNCONSCIOUSNESS, OR DEATH.
Fix: DEALERS WILL INSPECT THE VEHICLE FOR LOOSE OR MISSING WHEELHOUSE PLUGS AND INSTALL NEW PLUGS IF NECESSARY.

Recall repairs are free at any authorised dealer. A recall listed here may already have been fixed on a particular car: enter its 17-character VIN at nhtsa.gov/recalls to see open recalls.

Crash test ratings

2001 GMC Yukon 4-DR. w/SAB

OverallNot Rated

Frontal crash	Not Rated
Side crash	Not Rated
Rollover	★★★★★

NHTSA 5-Star Safety Ratings (New Car Assessment Program). Ratings are comparable only between vehicles of similar size and weight, and ratings from 2011 on use tougher tests than earlier years. Photos: NHTSA.

Fuel economy

Yukon 1500 2WD

15mpg combined

City / highway	13 / 18 mpg
Fuel	Regular Gasoline

4.8 L · 8 cyl · Automatic 4-spd · Rear-Wheel Drive · about $4,450/year to fuel

Yukon 1500 2WD

14mpg combined

City / highway	13 / 16 mpg
Fuel	Regular Gasoline

5.3 L · 8 cyl · Automatic 4-spd · Rear-Wheel Drive · about $4,800/year to fuel

Yukon 1500 4WD

14mpg combined

City / highway	12 / 16 mpg
Fuel	Regular Gasoline

4.8 L · 8 cyl · Automatic 4-spd · 4-Wheel or All-Wheel Drive · about $4,800/year to fuel

Yukon 1500 4WD

13mpg combined

City / highway	12 / 15 mpg
Fuel	Regular Gasoline

5.3 L · 8 cyl · Automatic 4-spd · 4-Wheel or All-Wheel Drive · about $5,150/year to fuel

Yukon 1500 4WD

12mpg combined

City / highway	11 / 15 mpg
Fuel	Regular Gasoline

6 L · 8 cyl · Automatic 4-spd · 4-Wheel or All-Wheel Drive · about $5,600/year to fuel

EPA estimates from fueleconomy.gov for each engine and transmission sold. Annual cost is the EPA's estimate for 15,000 miles a year at its current fuel and electricity price assumptions. Your results will vary.

What owners report

Problem area	Complaints	Crashes	Injuries	Typical mileage*
Service brakes, hydraulicAntilock/traction control/electronic limited slip; Antilock/traction control/electronic limited slip › Control unit/module	57	3	1	61,621 mi
Service brakes	23	2	0	143,579 mi
TiresTread/belt; Valve	19	1	1	30,000 mi
Air bagsFrontal; Side/window	19	18	13	81,000 mi
Electrical system12v/24v/48v battery; Ignition	18	0	0	27,913 mi
Seat beltsFront › Anchorage; Front › Retractor	15	1	1	—
Power trainAutomatic transmission; Manual transmission	14	0	0	49,248 mi
Parking brakeConventional; Conventional › Mechanical	14	0	0	40,075 mi
SteeringColumn; Steering wheel/handle bar	10	1	2	82,000 mi
Engine and engine coolingEngine › Gasoline; Engine › Gasoline › Belts and associated pulleys	10	0	0	—
Fuel system, gasolineDelivery › Fuel pump; Storage › Tank assembly	9	0	0	76,600 mi
VisibilityGlass, side/rear; Windshield wiper/washer	7	0	0	—

*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.

Recent owner complaints

Electrical system
UNKNOWN one the the main problem wheel hub engine electrictrical
Mar 10, 2022
Air bagsCrash1 injury
ON JANUARY 3RD, 2021, I WAS DRIVING TO WORK ON SLUSHY, ICY SECONDARY ROADS. THE REAR END CAUGHT SOME SLUSH, SLID SIDEWAYS AND SENT ME SLIDING ACROSS THE ONCOMING TRAFFIC LANES AND INTO A DITCH WHERE I COLLIDED WITH A TREE HEAD ON. UPON IMPACT NO AIRBAGS DEPLOYED.
Jan 3, 2021 · 1 miles
Electronic stability control (esc)
NO MATTER HOW MANY TIMES I GET MY BRAKES FIXED THERE IS ALWAYS THE BREAK AND THE AIR BRAKE LIGHTS THAT APPEAR. I HAVE CHANGED TO SENSORS, FUSES AND STILL IT REMAINS. EVERY MECHANIC TELLS ME THAT NO MATTER WHAT THE BRAKE AND AIR BRAKE LIGHTS WILL APPEAR. THAT NEEDS TO BE A RECALL. SEEING ANY TYPE OF WARNING LIGHTS DRIVES ME CRAZY IF THERE IS NOTHING WRONG WITH MY BRAKES THEN THERE SHOULD BE NO WARNINGS. *TR
May 10, 2019
Service brakes
TL* THE CONTACT OWNS A 2001 GMC YUKON. THE CONTACT STATED THAT PULLING UP TO A STOP LIGHT, THE BRAKE PEDAL WAS DEPRESSED AND WENT TO THE FLOORBOARD EXTENDING THE BRAKING DISTANCE. THE CONTACT STATED THAT THE ABS AND BRAKE WARNING LIGHTS REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE BRAKE LINE DISINTEGRATED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. NEITHER THE DEALER NOR MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 200,000.
Feb 11, 2020 · 200,000 miles
Air bagsCrash
ON 01/23/2018 I GOT INTO AN ACCIDENT. THE BRAKES WHEN APPLIED HESITATED FOR A FEW THEN FINALLY TOOK HOLD BUT BY THAT TIME IT WAS TO LATE AND I ENDED UP ON SOMEONES LAWN AFTER CRASHING THROUGH THEIR WHITE PICKET FENCE, THEN ROLLING COMPLETELY OVER ON ITS TOP, TOTALLY THE YUKON. MY CONCERN IS THE NO AIRBAGS DEPLOYED AT ALL. THANKFULLY, I ONLY RECEIVED MINOR SCRAPES AND BRUISES. PLUS, I AM VERY SORE STILL. I AM CONCERNED THAT THIS COULD OF BEEN A WORSE CASE, WHERE I GOT SERIOUSLY INJURED OR EVEN DEATH BECAUSE THE AIRBAGS DID NOT DEPLOY UPON IMPACT. I HAVE NOTIFIED MY INSURANCE COMPANY TO MAKE SURE THERE IS A WRITTEN PAPER TRAIL PERTAINING TO THESE ISSUES WITH THE YUKON. SPECIFICALLY, THE…
Jan 23, 2018 · 200,000 miles
Service brakes
TL* THE CONTACT OWNS A 2001 GMC YUKON. WHILE DRIVING AT AN UNKNOWN SPEED ON THE HIGHWAY, THE CONTACT DEPRESSED THE BRAKE PEDAL WITH EXCESSIVE FORCE IN ORDER TO AVOID ANOTHER VEHICLE. THE CONTACT NOTICED THAT SOME OF THE BRAKE FUNCTIONALITY WAS LOST. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT A PISTON WAS DEFECTIVE AND NEEDED TO BE REPLACED. THREE MONTHS LATER, WHILE TRYING TO SHIFT GEARS, THE CONTACT HEARD AN ABNORMAL POPPING SOUND. THE VEHICLE WAS TAKEN BACK TO THE INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE BRAKE LINES WERE DEFECTIVE AND NEEDED TO BE REPLACED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND OFFERED…
May 1, 2017 · 250,000 miles
Unknown or other
I WAS WRONGFULLY ISSUED A SUSPENSION OF VEHICLE GOR NO INSURANCE BUT I DID HAVE CAR INSURANCE. ..
Jan 10, 2016
Service brakes
BRAKE LINES EXTREMELY CORRODED AND LINE TO REAR BRAKES COMPLETELY FAILED LEAKING FLUID. VEHICLE FAILED WHILE DRIVING AND ATTEMPTING TO STOP. VEHICLES STOPPING DISTANCE GREATLY INCREASED.
Mar 12, 2016 · 125,000 miles

Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.

NHTSA defect investigations

Brake line corrosion failureClosed
The Office of Defects Investigation (ODI) received Defect Petition DP10-003 on March 2, 2010, requesting the investigation of model year (MY) 2003 Chevrolet Silverado 2500HD 4WD pickup trucks for corrosion failures of the vehicle brake lines.DP10-003 was granted and on March 30, 2010, Preliminary Evaluation PE10-010 was opened on more than six million model year 1999 through 2003 light trucks and sport utility vehicles manufactured and sold by General Motors Corporation (GM).On July 2, 2010, ODI received GM's response to an information request, which included GM's assessment of the frequency and safety consequences of the alleged defect. GM stated that:(1) the brake system of the subject vehicles is split front/rear and should a brake pipe suddenly fail for any reason, the affected vehicle would be capable of stopping with the pressure supplied by the remaining circuit; (2) the subject…
PE10010 · opened Mar 30, 2010 · closed Jan 5, 2011
PARKING BRAKE FAILUREClosed
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.
DP05009 · opened Dec 20, 2005 · closed May 31, 2006
UNWANTED LOW-SPEED ABS ACTIVATIONClosedLed to recall 05V379000
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…
PE05020 · opened Apr 28, 2005 · closed Sep 13, 2005
ALLEGED FAILURE OF 2ND ROW SEATBELT ALRClosed
THE AUTOMATIC LOCKING RETRACTOR (ALR) IS A FEATURE INCORPORATED IN THE SUBJECT VEHICLE FOR LOCKING THE WEBBING TO PROPERLY SECURE A CHILD SAFETY SEAT INTO A VEHICLE.THIS PE WAS OPENED BASED ON A GM TECHNICAL SERVICE BULLETIN STATING THAT WITH CERTAIN CHILD SAFETY SEATS THE WEBBING MAY NOT REMAIN LOCKED.THERE ARE NO COMPLAINTS IN THE ODI DATABASE AND ONLY TWO COMPLAINTS TO GM.GM'S INSTRUCTIONS STATE FOR THE FINAL STEP IN USING THE WEBBING LOCK FEATURE TO PUSH AND PULL THE CHILD RESTRAINT TO BE SURE IT IS SECURE. IF THE ALR IS NOT LOCKED, THE USER WOULD BE FULLY AWARE OF THIS CONDITION PRIOR TO COMPLETING PROPER INSTALLATION OF THE CHILD SAFETY SEAT IN THIS VEHICLE.THIS INVESTIGATION DID NOT UNCOVER ANY COMPLAINTS OF THE ALR INADVERTENTLY UNLOCKING WHILE THE VEHICLE IS IN MOTION.THE EMERGENCY LOCKING RETRACTOR (ELR) FEATURE REMAINS AVAILABLE TO LOCK THE RETRACTOR IN A CRASH.A…
PE02067 · opened Sep 25, 2002 · closed Feb 11, 2003
THROTTLE STICKING CLOSEDClosed
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…
EA02015 · opened Aug 1, 2002 · closed Jan 12, 2004