Owners have filed 40 complaints
about the 2003 GMC Denali with NHTSA between 2003 and 2019.
The largest single group is the brakes.
Across this model's run it ranks 2 of 8 worst.
The letter says how bad. This says what kind — whether this year drew
an unusual number of complaints, unusually dangerous
ones, or failures that arrived unusually early.
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 85
Against the median year of the GMC Denali. 50 means typical for this
model; 100 means roughly double.
Severity — 65
12.5% of these complaints
involved a crash, fire, injury or death, against a national rate of
9.7%.
Early failure — 47
28% of failures with a mileage on record happened under
36,000 miles, against a national rate of
29%.
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade:
A
B
C
D
F
ungraded
What breaks on a 2003 GMC Denali
Every complaint is filed against a part. Follow any row for the complaints about that part alone.
Brakes
717.5%
1 crashes, 0 fires · median 48,000 mi
Electrical System
615.0%
Median failure at 75,000 miles
Acceleration & Cruise Control
512.5%
Median failure at 75,000 miles
Steering
512.5%
2 crashes, 0 fires · median 120,000 mi
Transmission & Drivetrain
37.5%
1 crashes, 0 fires · median 50,900 mi
Engine & Cooling
37.5%
Median failure at 35,495 miles
Stability & Traction Control
25.0%
Median failure at 141,500 miles
Seat Belts
25.0%
Lights
25.0%
Median failure at 12,000 miles
Equipment & Accessories
12.5%
Tires
12.5%
Median failure at 120,000 miles
Fuel & Propulsion
12.5%
Suspension
12.5%
Median failure at 7,000 miles
Airbags
12.5%
Median failure at 90,000 miles
When it fails
Odometer readings owners gave when they filed. About half of all
complaints include one.
1,000 – 9,999 miles
26.9%
10,000 – 24,999 miles
310.3%
25,000 – 49,999 miles
724.1%
50,000 – 74,999 miles
310.3%
75,000 – 99,999 miles
517.2%
100,000 – 149,999 miles
620.7%
150,000+ miles
310.3%
When owners complained
A spike years after the car went on sale usually means a part wearing
out on schedule across the whole fleet — the kind of pattern no single
owner can see from inside their own car.
May 2003peak 3Jan 2019
NHTSA investigations into the 2003 GMC Denali
An investigation is the step before a recall: the agency has seen enough
complaints to look into a pattern itself. An open one means it thinks
something may be wrong and nothing has been fixed yet.
DP05009Opened 20 Dec 2005Closed 31 May 2006PARKING BRAKE:CONVENTIONAL
PARKING BRAKE FAILURE
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.
EA04011Opened 9 Apr 2004Closed 10 May 2005PARKING BRAKE:CONVENTIONAL
PARKING BRAKE FAILURE
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING...
Complaints that involved harm
Reports where the owner recorded a crash, a fire, an injury or a death.
at 120,000 milesCoarsegold, CACrash
STEERING
I HAVE HAD THE BREAK/STEERING FLUID BOOSTER REPLACED 3 TIMES IN A 6 MONTH PERIOD. HOW GMC CAN CALL THIS A "PROBLEM" BUT NOT A SAFETY ISSUE IS BEYOND ME. I HAVE LOOKED IT UP AND THOUSANDS HAVE HAD PROBLEMS WITH THIS ALONG WITH ALIKE VEHICLES FROM THE SAME YEARS. THE BREAKS AND STEERING LOCK UP WHILE DRIVING ESPECIALLY AROUND TURNS. IT IS EXTREMELY DANGEROUS!!!!! I GUESS NOT ENOUGH PEOPLE HAVE DIED....UUGGHHH .... SO FRUSTRATING!!!!
NHTSA complaint #11165106 — an unverified report by a vehicle owner.
at 120,000 milesCoarsegold, CACrash
SERVICE BRAKES
I HAVE HAD THE BREAK/STEERING FLUID BOOSTER REPLACED 3 TIMES IN A 6 MONTH PERIOD. HOW GMC CAN CALL THIS A "PROBLEM" BUT NOT A SAFETY ISSUE IS BEYOND ME. I HAVE LOOKED IT UP AND THOUSANDS HAVE HAD PROBLEMS WITH THIS ALONG WITH ALIKE VEHICLES FROM THE SAME YEARS. THE BREAKS AND STEERING LOCK UP WHILE DRIVING ESPECIALLY AROUND TURNS. IT IS EXTREMELY DANGEROUS!!!!! I GUESS NOT ENOUGH PEOPLE HAVE DIED....UUGGHHH .... SO FRUSTRATING!!!!
NHTSA complaint #11165106 — an unverified report by a vehicle owner.
at 30,000 milesGreensboro, NC1 injured
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
FAULTY PULLY ASSEMBLY ON 2003 GMC VECHICLES THEIR IS A SERVICE BULLETIN OUT ABOUT THE PROBLEM IN 2004. I LEARNED OF THE REPORT 8/7/08.AFTER REPLACING 5 BELTS AND TENSIONERS. AFTER COMPRESSOR BREAKS APART WHILE UNDER CAR TRYING TO FINE THIS HORRIBLE NOISE UPON ACCELERATION.WHILE UNDER WARRANTY I CARRIED THE CAR IN 4 TIMES FOR NOISES ON THE PASSENGER SIDE FRONT NEVER TO BE RESOLVED ,NOW IT IS SO BAD IT IS OBVIOUS WHERE THE PROBLEM IS. THEIR IS NO RECALL YET BUT SHOULD BE,THE MECH. SAYS THEY REPLACE 2 COMPRESSORS A WEEK. SOMEONES SAFETY IS GOING TO BE CHALLENGED BE FOR THIER IS A RECALL. THIS IS MORE DANGEROUS THAN A SEATBELT LATCH OR SPEED CONTROL NOT TO MENTION COSTLY. PLEASE CONTACT ME FOR A FULL STORY.
NHTSA complaint #10237642 — an unverified report by a vehicle owner.
at 180,000 milesUpper Saddle River, NJCrash
STEERING:HYDRAULIC POWER ASSIST SYSTEM
WHILE DRIVING VEHICLE SUDDENLY LOST STEERING AND DRIVER LOST CONTROL OF VEHICLE.
NHTSA complaint #10030219 — an unverified report by a vehicle owner.
at 8,800 milesSyosset, NYCrash
POWER TRAIN:AUTOMATIC TRANSMISSION
2003 GMC YUKON DENALI XL PURCHASED 10/02 NEW FROM DEALER: COUNTRY GMC HUNTINGTON N.Y. CAR STARTED TO ROLL DOWN THE STREET WHEN BRAKE INTERLOCK FEATURE DID NOT PREVENT VEHICLE FROM COMING OUT OF PARK. IGNITION SWITCH WAS IN THE FIRST FORWARD CLICK POSITION. IN THIS ONLY IGNITION SWITCH POSITION, GEAR LEVER EASILY COMES OUT OF PARK TO ANY MOBILE GEAR. VEHICLE WAS PARKED WITH ENGINE OFF. *NLM
NHTSA complaint #10019218 — an unverified report by a vehicle owner.
The most recent complaints
In the owners' own words, exactly as filed with NHTSA.
at 120,000 milesCoarsegold, CACrash
STEERING
I HAVE HAD THE BREAK/STEERING FLUID BOOSTER REPLACED 3 TIMES IN A 6 MONTH PERIOD. HOW GMC CAN CALL THIS A "PROBLEM" BUT NOT A SAFETY ISSUE IS BEYOND ME. I HAVE LOOKED IT UP AND THOUSANDS HAVE HAD PROBLEMS WITH THIS ALONG WITH ALIKE VEHICLES FROM THE SAME YEARS. THE BREAKS AND STEERING LOCK UP WHILE DRIVING ESPECIALLY AROUND TURNS. IT IS EXTREMELY DANGEROUS!!!!! I GUESS NOT ENOUGH PEOPLE HAVE DIED....UUGGHHH .... SO FRUSTRATING!!!!
NHTSA complaint #11165106 — an unverified report by a vehicle owner.
at 120,000 milesCoarsegold, CACrash
SERVICE BRAKES
I HAVE HAD THE BREAK/STEERING FLUID BOOSTER REPLACED 3 TIMES IN A 6 MONTH PERIOD. HOW GMC CAN CALL THIS A "PROBLEM" BUT NOT A SAFETY ISSUE IS BEYOND ME. I HAVE LOOKED IT UP AND THOUSANDS HAVE HAD PROBLEMS WITH THIS ALONG WITH ALIKE VEHICLES FROM THE SAME YEARS. THE BREAKS AND STEERING LOCK UP WHILE DRIVING ESPECIALLY AROUND TURNS. IT IS EXTREMELY DANGEROUS!!!!! I GUESS NOT ENOUGH PEOPLE HAVE DIED....UUGGHHH .... SO FRUSTRATING!!!!
NHTSA complaint #11165106 — an unverified report by a vehicle owner.
at 12,000 milesSAN Antonio, TX
EXTERIOR LIGHTING
TL* THE CONTACT OWNS A 2015 (NA) GMC DENALI. THE CONTACT STATED THAT THE EXTERIOR LIGHTING WAS DIM. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE HEADLIGHT BULBS FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 12,000.
NHTSA complaint #10849785 — an unverified report by a vehicle owner.
at 120,000 milesMassachuetts, MA
TIRES:SIDEWALL
TL* THE CONTACT OWNS A 2003 GMC DENALI EQUIPPED WITH MICHELIN LTX MS20 TIRES, SIZE: LT245/75R16. THE CONTACT STATED THAT ALL FOUR TIRES CRACKED ON THE SIDEWALL. THE CONTACT ALSO STATED THAT ALL THE TIRES HAD TREAD SEPARATION AND LOSS OF AIR PRESSURE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE AND TIRE FAILURE MILEAGE WAS 120,000. THE VIN WAS NOT AVAILABLE.
NHTSA complaint #10651098 — an unverified report by a vehicle owner.
at 63,000 milesGlen Mills, PA
SERVICE BRAKES
ON JUNE 4, 2014, DRIVING ON A CLEAR, DRY AND SUNNY DAY IN MY 2003 GMC SIERRA DENALI PICKUP TRUCK. ON VIRGINIA DRIVE HEADING EASTBOUND IN MONTGOMERY COUNTY, PA, AT 32 MPH; WITH NORMAL BRAKING ACTION HEADING INTO A CURVE, THE BRAKE PEDAL SURPRISINGLY WENT TO THE FLOOR AND EXPERIENCED LOSS OF BRAKING. FORTUNATELY I WAS ABLE TO NEGOTIATE THE TURN, NARROWLY ESCAPING RUNNING OFF THE ROAD, ONLY BECAUSE IT WAS TWO LANE ROAD IN EACH DIRECTION AND THERE WAS NO NEARBY TRAFFIC AT THE TIME. BRAKE FUNCTIONALITY NEVER RETURNED EXCEPT FOR MINIMAL CAPABILITY NEAR THE END OF PEDAL TRAVEL. PRELIMINARY INSPECTION AFTER PARKING THE VEHICLE INDICATES THE BRAKE LINES SHOWED RUSTING IN GENERAL ON THE VEHICLE (AND ALSO THE ADJACENT FUEL LINES), MOSTLY NEAR THE FRONT SECTION OF THE VEHICLE; AND THE FAILURE SEEMED TO BE IN THE HOSE-TO-LINE COUPLING FROM THE BRAKE VALVE NEAR THE MASTER CYLINDER TO WHAT APPEARS TO BE THE ABS CONTROL ASSEMBLY MOUNTED ON THE FRAME UNDER THE DRIVER'S SEAT AREA. THE LINES IN THAT SUSPECTED FAILURE AREA APPEARED MOST SERIOUSLY RUSTED AND BULGED. CURRENTLY SPEAKING WITH A GMC DEALER TO UNDERSTAND THE REPAIR OPTIONS AND POSSIBLE RECALLS.
NHTSA complaint #10596077 — an unverified report by a vehicle owner.
at 75,000 milesJonesboro, GA
VEHICLE SPEED CONTROL
AFTER JUST A FEW YEARS OF OWNERSHIP, MY 2003 DENALI, WHICH I PURCHASED BRAND NEW, STARTED TO HAVE "POWER DOWN" ISSUES. WHILE DRIVING, THE VEHICLE WOULD JUST LOOSE POWER AND I WOULD HAVE TO PULL OVER AND RESTART THE VEHICLE. GMC HAS ALWAYS ACTED AS IF IT WAS NOT A BIG DEAL AND HAVE OFFERED MANY EXPENSIVE SOLUTIONS. EARLY ON I TRIED THEIR RECOMMENDATIONS AND IT WOULD HELP FOR A WHILE BUT THE PROBLEM ALWAYS COMES BACK. FURTHER, ALL OF MY GAUGES HAVE QUIT WORKING. AGAIN, GM OFFERS VERY EXPENSIVE SOLUTIONS, BUT WILL NEVER OWN UP TO THE FACT THAT THESE VEHICLES ARE DEFECTIVE. AFTER GOING THROUGH THIS FOR SEVERAL YEARS, I GOOGLED THESE ISSUES AND DISCOVERED THAT THERE ARE PAGES AND PAGES OF COMPLAINTS ABOUT THE SAME ISSUES. I LOVE MY VEHICLE AND NOW HAVE 230,000 MILES ON IT. HOWEVER, I KNOW THAT THIS IS VERY DANGEROUS AND I AM ALWAYS CONSCIOUS THAT IT CAN HAPPEN AT ANY TIME. I AM ALWAYS PREPARED TO PULL OVER BUT THERE HAVE BEEN TIMES WHEN I WAS NEARLY REAR-ENDED BECAUSE OF THIS ISSUE. ALSO, I RARELY LET ANY OTHER FAMILY MEMBER DRIVE THE VEHICLE AND WHEN I DO I WARN THEM OF THE ISSUE SO THAT THEY ARE PREPARED. THIS ISSUE IS FIRST AND FOREMOST VERY DANGEROUS AND SECONDLY A TRUE HASSLE AND INCONVENIENCE. MY CHECK ENGINE LIGHT COMES ON EVERY TIME THE VEHICLE POWERS DOWN. THIS HAS CAUSED ME TO HAVE TROUBLE PASSING EMISSIONS AS WELL. I HAVE WANTED TO TRADE OR SELL THE VEHICLE BUT I AM CONCERNED ABOUT MY LIABILITY KNOWING ABOUT THIS ISSUE.
NHTSA complaint #10565247 — an unverified report by a vehicle owner.
at 75,000 milesJonesboro, GA
ELECTRICAL SYSTEM
AFTER JUST A FEW YEARS OF OWNERSHIP, MY 2003 DENALI, WHICH I PURCHASED BRAND NEW, STARTED TO HAVE "POWER DOWN" ISSUES. WHILE DRIVING, THE VEHICLE WOULD JUST LOOSE POWER AND I WOULD HAVE TO PULL OVER AND RESTART THE VEHICLE. GMC HAS ALWAYS ACTED AS IF IT WAS NOT A BIG DEAL AND HAVE OFFERED MANY EXPENSIVE SOLUTIONS. EARLY ON I TRIED THEIR RECOMMENDATIONS AND IT WOULD HELP FOR A WHILE BUT THE PROBLEM ALWAYS COMES BACK. FURTHER, ALL OF MY GAUGES HAVE QUIT WORKING. AGAIN, GM OFFERS VERY EXPENSIVE SOLUTIONS, BUT WILL NEVER OWN UP TO THE FACT THAT THESE VEHICLES ARE DEFECTIVE. AFTER GOING THROUGH THIS FOR SEVERAL YEARS, I GOOGLED THESE ISSUES AND DISCOVERED THAT THERE ARE PAGES AND PAGES OF COMPLAINTS ABOUT THE SAME ISSUES. I LOVE MY VEHICLE AND NOW HAVE 230,000 MILES ON IT. HOWEVER, I KNOW THAT THIS IS VERY DANGEROUS AND I AM ALWAYS CONSCIOUS THAT IT CAN HAPPEN AT ANY TIME. I AM ALWAYS PREPARED TO PULL OVER BUT THERE HAVE BEEN TIMES WHEN I WAS NEARLY REAR-ENDED BECAUSE OF THIS ISSUE. ALSO, I RARELY LET ANY OTHER FAMILY MEMBER DRIVE THE VEHICLE AND WHEN I DO I WARN THEM OF THE ISSUE SO THAT THEY ARE PREPARED. THIS ISSUE IS FIRST AND FOREMOST VERY DANGEROUS AND SECONDLY A TRUE HASSLE AND INCONVENIENCE. MY CHECK ENGINE LIGHT COMES ON EVERY TIME THE VEHICLE POWERS DOWN. THIS HAS CAUSED ME TO HAVE TROUBLE PASSING EMISSIONS AS WELL. I HAVE WANTED TO TRADE OR SELL THE VEHICLE BUT I AM CONCERNED ABOUT MY LIABILITY KNOWING ABOUT THIS ISSUE.
NHTSA complaint #10565247 — an unverified report by a vehicle owner.
at 75,000 milesJonesboro, GA
ENGINE
AFTER JUST A FEW YEARS OF OWNERSHIP, MY 2003 DENALI, WHICH I PURCHASED BRAND NEW, STARTED TO HAVE "POWER DOWN" ISSUES. WHILE DRIVING, THE VEHICLE WOULD JUST LOOSE POWER AND I WOULD HAVE TO PULL OVER AND RESTART THE VEHICLE. GMC HAS ALWAYS ACTED AS IF IT WAS NOT A BIG DEAL AND HAVE OFFERED MANY EXPENSIVE SOLUTIONS. EARLY ON I TRIED THEIR RECOMMENDATIONS AND IT WOULD HELP FOR A WHILE BUT THE PROBLEM ALWAYS COMES BACK. FURTHER, ALL OF MY GAUGES HAVE QUIT WORKING. AGAIN, GM OFFERS VERY EXPENSIVE SOLUTIONS, BUT WILL NEVER OWN UP TO THE FACT THAT THESE VEHICLES ARE DEFECTIVE. AFTER GOING THROUGH THIS FOR SEVERAL YEARS, I GOOGLED THESE ISSUES AND DISCOVERED THAT THERE ARE PAGES AND PAGES OF COMPLAINTS ABOUT THE SAME ISSUES. I LOVE MY VEHICLE AND NOW HAVE 230,000 MILES ON IT. HOWEVER, I KNOW THAT THIS IS VERY DANGEROUS AND I AM ALWAYS CONSCIOUS THAT IT CAN HAPPEN AT ANY TIME. I AM ALWAYS PREPARED TO PULL OVER BUT THERE HAVE BEEN TIMES WHEN I WAS NEARLY REAR-ENDED BECAUSE OF THIS ISSUE. ALSO, I RARELY LET ANY OTHER FAMILY MEMBER DRIVE THE VEHICLE AND WHEN I DO I WARN THEM OF THE ISSUE SO THAT THEY ARE PREPARED. THIS ISSUE IS FIRST AND FOREMOST VERY DANGEROUS AND SECONDLY A TRUE HASSLE AND INCONVENIENCE. MY CHECK ENGINE LIGHT COMES ON EVERY TIME THE VEHICLE POWERS DOWN. THIS HAS CAUSED ME TO HAVE TROUBLE PASSING EMISSIONS AS WELL. I HAVE WANTED TO TRADE OR SELL THE VEHICLE BUT I AM CONCERNED ABOUT MY LIABILITY KNOWING ABOUT THIS ISSUE.
NHTSA complaint #10565247 — an unverified report by a vehicle owner.
at 163,000 milesMiramar, FL
VEHICLE SPEED CONTROL
I AM FILING A COMPLAINT DUE TO A REDUCED ENGINE PROBLEM AND STABILITY CONTROL WHICH KEEPS ENABLING ME TO DRIVE THE VEHICLE. ONCE THIS LIGHT AND POWER REDUCES I NEED TO PULL OVER FROM MY DESTINATION AND TURN ENGINE OFF COMPLETELY. I COUNT ABOUT TEN SECONDS IN ORDER TO RESTART THE VEHICLE... ONLY TO START IT AND HAVING IT REDUCE AGAIN. SEVERAL LIGHTS ON DASH BOARD REMAIN ON SUCH AS ENGINE. I HAVE TRIED FIXING THE PROBLEM BUT I GUESS NO ONE REALLY KNOWS HOW TO REPAIR AND THIS HAS BEEN COSTLY. I HAVE READ RESOURCES/CONSUMERS WITH THE SAME YEAR AND VEHICLE MAKE, AND HAVE FOUND THAT THEY HAVE OCCURRED THE SAME PROBLEM. I WOULD LIKE TO KNOW IF THIS HAS BEEN A RECALL ON THE GMC CO. AND OR WHAT THE PROBLEM IS. I FEEL THIS IS A SAFETY ISSUE AND APPARENTLY IT DOES HAVE TO DO WITH GMC THE MANUFACTURE AND WOULD LIKE TO RESOLVE THIS PROBLEM.
NHTSA complaint #10525211 — an unverified report by a vehicle owner.
at 163,000 milesMiramar, FL
ELECTRONIC STABILITY CONTROL (ESC)
I AM FILING A COMPLAINT DUE TO A REDUCED ENGINE PROBLEM AND STABILITY CONTROL WHICH KEEPS ENABLING ME TO DRIVE THE VEHICLE. ONCE THIS LIGHT AND POWER REDUCES I NEED TO PULL OVER FROM MY DESTINATION AND TURN ENGINE OFF COMPLETELY. I COUNT ABOUT TEN SECONDS IN ORDER TO RESTART THE VEHICLE... ONLY TO START IT AND HAVING IT REDUCE AGAIN. SEVERAL LIGHTS ON DASH BOARD REMAIN ON SUCH AS ENGINE. I HAVE TRIED FIXING THE PROBLEM BUT I GUESS NO ONE REALLY KNOWS HOW TO REPAIR AND THIS HAS BEEN COSTLY. I HAVE READ RESOURCES/CONSUMERS WITH THE SAME YEAR AND VEHICLE MAKE, AND HAVE FOUND THAT THEY HAVE OCCURRED THE SAME PROBLEM. I WOULD LIKE TO KNOW IF THIS HAS BEEN A RECALL ON THE GMC CO. AND OR WHAT THE PROBLEM IS. I FEEL THIS IS A SAFETY ISSUE AND APPARENTLY IT DOES HAVE TO DO WITH GMC THE MANUFACTURE AND WOULD LIKE TO RESOLVE THIS PROBLEM.
NHTSA complaint #10525211 — an unverified report by a vehicle owner.
at 47,500 milesRingoes, NJ
SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
WITHIN ABOUT 10 MILES OF A MODERATE BRAKING SITUATION AND REACHING HOME, BRAKE PEDAL BECAME PROGRESSIVELY SOFTER AT EACH SUCCESSIVE STOP UNTIL COMPLETE BRAKE FAILURE OCCURRED NEAR HOME. THE EMERGENCY BRAKE WAS USED TO SLOW AND STOP VEHICLE IN DRIVEWAY (HOME). RIGHT FRONT STEEL BRAKE LINE WAS FOUND TO HAVE BURST DUE TO EXTENSIVE RUST/CORROSION. EXTENSIVE CORROSION OF MOST BRAKE LINES WAS FOUND AND REPAIRED AT CONSIDERABLE COST AS A PREVENTIVE MEASURE TO HELP AVOID ACCIDENT OR INJURY. THE LOCAL GMC DEALER WAS NOT AWARE OF A RELATED RECALL FOR THIS VEHICLE AND WOULD ONLY REPAIR THE SUV AT THE PREVAILING RATE SINCE A WARRANTY WAS NOT IN EFFECT. THIS VEHICLE SHOULD BE RECALLED AND REPAIRED BY THE MANUFACTURER TO ADDRESS THIS POTENTIALLY CATASTROPHIC DEFECT.
NHTSA complaint #10455716 — an unverified report by a vehicle owner.
Woodstown, NJ
FUEL SYSTEM, GASOLINE
I HAVE A 2003 YUKON DENALI AND WHEN IT HIT THE 65,000 MILES MARK THE FUEL GAUGE STOPPED WORKING LEAVING ME TO TELL HOW MUCH GAS I HAD LEFT USING THE AUTOMATIC COMPUTER TELLING YOU HOW MANY MILES TO EMPTY. NEXT THE OIL GAUGES STOPPED WORKING. FINALLY REACHING 80,000 MILES MY SPEED ODOMETER QUITE WORKING LEAVING ME TO NOT KNOWING THE SPEED I AM TRAVELING THIS QUITE WORKING WHILE I WAS DRIVING DOWN A HIGHWAY. TO MAKE MATTERS WORSE MY RPMS ARE STARTING TO GO GOOFY WHICH MEANS THAT TO IS GOING TO STOP WORKING AS WELL. I WAS TOLD THAT HAVING MY DASH TAKEN OFF AND FIXED COULD RUN ANYWHERE BETWEEN 1,000.00 NOT INCLUDING LABOR FEES. WHICH IS CRAZY THAT GMC DOESN'T STAND BEHIND ITS WORK. PEOPLE CANT AFFORD TO BE PAYING FOR THIS TO GET FIXED LET ALONE SPEEDING TICKETS. I BELIEVE SOMETHING NEEDS TO BE DONE AFTER READING ABOUT SO MANY PEOPLE HAVE THIS SAME PROBLEM WITH THE ALL HAVING THE SAME YEAR YUKON DENALI.. YOU PAY ALL THIS MONEY FOR A VEHICLE AND SOMETHING LIKE THIS HAPPENS!!!
NHTSA complaint #10402393 — an unverified report by a vehicle owner.
Woodstown, NJ
EQUIPMENT
I HAVE A 2003 YUKON DENALI AND WHEN IT HIT THE 65,000 MILES MARK THE FUEL GAUGE STOPPED WORKING LEAVING ME TO TELL HOW MUCH GAS I HAD LEFT USING THE AUTOMATIC COMPUTER TELLING YOU HOW MANY MILES TO EMPTY. NEXT THE OIL GAUGES STOPPED WORKING. FINALLY REACHING 80,000 MILES MY SPEED ODOMETER QUITE WORKING LEAVING ME TO NOT KNOWING THE SPEED I AM TRAVELING THIS QUITE WORKING WHILE I WAS DRIVING DOWN A HIGHWAY. TO MAKE MATTERS WORSE MY RPMS ARE STARTING TO GO GOOFY WHICH MEANS THAT TO IS GOING TO STOP WORKING AS WELL. I WAS TOLD THAT HAVING MY DASH TAKEN OFF AND FIXED COULD RUN ANYWHERE BETWEEN 1,000.00 NOT INCLUDING LABOR FEES. WHICH IS CRAZY THAT GMC DOESN'T STAND BEHIND ITS WORK. PEOPLE CANT AFFORD TO BE PAYING FOR THIS TO GET FIXED LET ALONE SPEEDING TICKETS. I BELIEVE SOMETHING NEEDS TO BE DONE AFTER READING ABOUT SO MANY PEOPLE HAVE THIS SAME PROBLEM WITH THE ALL HAVING THE SAME YEAR YUKON DENALI.. YOU PAY ALL THIS MONEY FOR A VEHICLE AND SOMETHING LIKE THIS HAPPENS!!!
NHTSA complaint #10402393 — an unverified report by a vehicle owner.
Woodstown, NJ
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
I HAVE A 2003 YUKON DENALI AND WHEN IT HIT THE 65,000 MILES MARK THE FUEL GAUGE STOPPED WORKING LEAVING ME TO TELL HOW MUCH GAS I HAD LEFT USING THE AUTOMATIC COMPUTER TELLING YOU HOW MANY MILES TO EMPTY. NEXT THE OIL GAUGES STOPPED WORKING. FINALLY REACHING 80,000 MILES MY SPEED ODOMETER QUITE WORKING LEAVING ME TO NOT KNOWING THE SPEED I AM TRAVELING THIS QUITE WORKING WHILE I WAS DRIVING DOWN A HIGHWAY. TO MAKE MATTERS WORSE MY RPMS ARE STARTING TO GO GOOFY WHICH MEANS THAT TO IS GOING TO STOP WORKING AS WELL. I WAS TOLD THAT HAVING MY DASH TAKEN OFF AND FIXED COULD RUN ANYWHERE BETWEEN 1,000.00 NOT INCLUDING LABOR FEES. WHICH IS CRAZY THAT GMC DOESN'T STAND BEHIND ITS WORK. PEOPLE CANT AFFORD TO BE PAYING FOR THIS TO GET FIXED LET ALONE SPEEDING TICKETS. I BELIEVE SOMETHING NEEDS TO BE DONE AFTER READING ABOUT SO MANY PEOPLE HAVE THIS SAME PROBLEM WITH THE ALL HAVING THE SAME YEAR YUKON DENALI.. YOU PAY ALL THIS MONEY FOR A VEHICLE AND SOMETHING LIKE THIS HAPPENS!!!
NHTSA complaint #10402393 — an unverified report by a vehicle owner.
at 130,000 milesLeslie, MO
VEHICLE SPEED CONTROL
TL* THE CONTACT OWNS A 2003 GMC DENALI. THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH WHEN THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT STATED THAT AFTER A FEW MINUTES, THE VEHICLE WAS RESTARTED YET THE FAILURE PERSISTED. THE VEHICLE WAS TOWED TO THE DEALER WHERE THE TECHNICIAN COULD NOT DIAGNOSE THE FAILURE. THE FAILURE PERSISTED INTERMITTENTLY BUT RECURRED MOST DURING WARMER TEMPERATURES. THE VEHICLE WAS TAKEN TO TWO DIFFERENT DEALERS AND AN INDEPENDENT MECHANIC. THE THROTTLE BODY, WIRING HARNESS AND SENSORS WERE REPLACED. THE TIRES WERE ROTATED AND THE PRESSURE WAS CHECKED BUT TO NO AVAIL. THE THROTTLE BODY WAS REPLACED A SECOND TIME BUT STILL THERE WAS NO RESOLUTION TO THE FAILURE. WHEN PERFORMING A DIAGNOSTIC ON THE VEHICLE, THE SAME EXACT FAILURE CODES WERE ALWAYS GENERATED ADVISING OF A THROTTLE BODY FAILURE. THE VEHICLE WAS NOT FURTHER REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 130,000. UPDATED 5/2/11 *CN UPDATED 1/11/11
NHTSA complaint #10393087 — an unverified report by a vehicle owner.
at 17,000 milesNorthfield, CT
SERVICE BRAKES, HYDRAULIC
BRAKE FAILURE DUE TO RUSTING OUT OF MAIN BRAKE LINE TO REAR OF VEHICLE.
NHTSA complaint #10328553 — an unverified report by a vehicle owner.
at 44,000 milesBeach Haven, NJ
SERVICE BRAKES, HYDRAULIC
INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) MARCH 10, 2010 PLEASE REPORT STATUS OF CASE [XXX] U.S. DEPARTMENT OF TRANSPORTATION SUBJECT; BRAKE LINE FAILURE PROBLEMS ON GENERAL MOTORS TRUCKS GENTLEPERSONS I WOULD LIKE TO REPORT TO YOU A MAJOR SAFETY ISSUE WITH GMC AND CHEVROLET PICK UP TRUCKS THAT WILL RESULT IN DEATH. I HAVE A GMC 2003 SIERRA DENALI PICK UP TRUCK THAT HAS EXPERIENCED THIS DEFECT ON TWO SEPARATE OCCASIONS AND I REPORTED MY CONCERN TO GENERAL MOTORS WHEN I FIRST EXPERIENCED THE LOSS OF MY BRAKES IN A LETTER DATED APRIL 10, 2008. AS THE VEHICLE WAS UNDER EXTENDED WARRANTY ONLY THE RIGHT REAR BRAKE LINE WAS REPLACED. THE SECOND TIME I LOST MY BRAKES WAS ON FEBRUARY 23, 2010 THE DEALER REPLACED THE ENTIRE BRAKE LINE SYSTEM AND CHARGED ME OVER $2,000.00 AND THE TRUCK WAS NOT UNDER WARRANTY AT THAT TIME. I AM CERTAIN THAT THIS DEFECT WAS A RESULT OF THE GENERAL MOTORS SUPPLIER PRODUCING PARTS THAT WERE NOT TO SPECIFICATION (MOST LIKELY MADE IN CHINA). ALL THE AUTOMOBILE COMPANIES PLACE THE QUALITY RESPONSIBILITY ON THE SUPPLIER OF THE COMPONENTS AND THAT SUPPLIER IS SUPPOSED TO BE ISO, QS OR NOW TS CERTIFIED. THIS QUALITY SYSTEM IS SUPPOSED TO BE SELF AUDITING BY USE OF STATISTICAL PROCESS CONTROL SO THEREFORE IT IS UP TO THE SUPPLIER WHO IS SELLING THE COMPONENTS TO BE HONEST AND TRUST WORTHY AND NOT SHIP ANY SUBSTANDARD PARTS. I HAVE ENCLOSED SUPPORTING DOCUMENTATION ALONG WITH REPORTS FROM OTHER PEOPLE WHO I HAVE FOUND WITH A BRIEF SEARCH ON THE INTERNET WHO HAVE HAD THE SAME PROBLEM. [XXX]
NHTSA complaint #10318580 — an unverified report by a vehicle owner.
at 120,000 milesWesterville, OH
ELECTRONIC STABILITY CONTROL (ESC)
THE SUV HAS INTERMITTENT STOPS/STALLS IN THE MIDDLE OF MOVING TRAFFIC. AT THAT POINT THE TRACTION ALMOST AS QUICK AS THE MOTOR POWERS DOWN IT RESETS AND GOES AGAIN. THE GMC DEALER HAS NEVER BEEN ABLE TO FIX IT SO WE WENT TO A HIGHLY RATED ANGIES LIST AUTO REPAIR SHOP AND THEY SUGGESTED REPLACING THE TRANSMISSION WHICH WE HAVE DONOR LAST APRIL. UNFORTUNATELY THAT WAS NO HELP EITHER. I HAVE HAD NO LUCK FINDING A SOLUTION ON THE INTERNET AS WELL.
NHTSA complaint #10248959 — an unverified report by a vehicle owner.
at 90,000 milesGUM Spring, VA
AIR BAGS
TL*THE CONTACT OWNS A 2003 GMC DENALI. WHILE DRIVING 2-5 MPH, THE CONTACT STRUCK A BUMP OR POTHOLE IN THE ROAD. HE HEARD A LOUD BOOM SIMILAR TO A GUNSHOT. THE SIDE AIR BAGS DEPLOYED AND THE CONTACT MANEUVERED TO THE SIDE OF THE ROAD. ONSTAR NOTICED THE AIR BAG DEPLOYMENT AND CALLED TO SEE IF MEDICAL ASSISTANCE WAS NEEDED. THE DEALER STATED THAT THE VEHICLE COULD BE REPAIRED AT THE COST OF $5,000. THE MANUFACTURER SENT A THIRD PARTY ENGINEER TO INVESTIGATE THE VEHICLE. HE REVIEWED THE EVENT DATA RECORDER AND DECIDED THAT GMC WOULD NOT ASSIST WITH THE REPAIRS. THE FAILURE AND CURRENT MILEAGES WERE LESS THAN 90,000.
NHTSA complaint #10246411 — an unverified report by a vehicle owner.
at 30,000 milesGreensboro, NC1 injured
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
FAULTY PULLY ASSEMBLY ON 2003 GMC VECHICLES THEIR IS A SERVICE BULLETIN OUT ABOUT THE PROBLEM IN 2004. I LEARNED OF THE REPORT 8/7/08.AFTER REPLACING 5 BELTS AND TENSIONERS. AFTER COMPRESSOR BREAKS APART WHILE UNDER CAR TRYING TO FINE THIS HORRIBLE NOISE UPON ACCELERATION.WHILE UNDER WARRANTY I CARRIED THE CAR IN 4 TIMES FOR NOISES ON THE PASSENGER SIDE FRONT NEVER TO BE RESOLVED ,NOW IT IS SO BAD IT IS OBVIOUS WHERE THE PROBLEM IS. THEIR IS NO RECALL YET BUT SHOULD BE,THE MECH. SAYS THEY REPLACE 2 COMPRESSORS A WEEK. SOMEONES SAFETY IS GOING TO BE CHALLENGED BE FOR THIER IS A RECALL. THIS IS MORE DANGEROUS THAN A SEATBELT LATCH OR SPEED CONTROL NOT TO MENTION COSTLY. PLEASE CONTACT ME FOR A FULL STORY.
NHTSA complaint #10237642 — an unverified report by a vehicle owner.
at 104,000 milesKannapolis, NC
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
THE SPEEDOMETER SHOWS INACCURATE AND ERRATIC READINGS. SPEED APPEARS TO BE 20 MPH OFF AND WILL JUMP TO DIFFERENT SPEEDS. NO SPECIFIC EVENT CAUSED THIS TO HAPPEN, IT JUST STARTED ABOUT A MONTH AGO AND HAS PROGRESSIVELY GOTTEN WORSE OVER TIME.
NHTSA complaint #10217321 — an unverified report by a vehicle owner.
at 42,000 milesDayton, NJ
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
SPEEDOMETER DEFECTIVE. SOMETIMES READS 120MPH WHEN NOT MOVING. SOMETIMES NEVER MOVES. DON'T FEEL SAFE WITH WIFE DRIVING WITH KIDS.
NHTSA complaint #10212361 — an unverified report by a vehicle owner.
at 50,000 milesGarland, TX
VEHICLE SPEED CONTROL:CRUISE CONTROL
ANALOG SPEEDOMETER, INTERMITTENT, WON'T ALWAYS SET TO ZERO. SHOWS INACCURATE SPEEDS. GOING 65 MPH, SPEEDOMETER REGISTERS 110 MPH.
NHTSA complaint #10193786 — an unverified report by a vehicle owner.
Cottontown, TN
ELECTRICAL SYSTEM
I HAVE A 2003 GMC YUKON DENALI AND THE SPEEDOMETER HAS STOPPED PROVIDING ACCURATE SPEED READINGS. I CAN BE TRAVELING 10 MPH ACCORDING TO MY GPS AND THE SPEEDOMETER MAY READ 100 MPH. THIS IS RANDOM AND FREQUENT.
NHTSA complaint #10171751 — an unverified report by a vehicle owner.
Evergreen, CO
EXTERIOR LIGHTING
HEADLIGHT FLICKER WITH STABILTRAK ENGAGED RELATED TO STEERING WHEEL POSITION AND/OR CAR ATTITUDE (BUMPS,ETC.)
NHTSA complaint #10156584 — an unverified report by a vehicle owner.