1999 GMC Sierra 1500

Routine

Owners filed 158 complaints about this vehicle with federal regulators, most often about the brakes. It has been recalled 4 times.

Not among the GMC Sierra 1500 years to avoid. Which GMC Sierra 1500 years to avoid →

When it fails
020k40k60k90k120k200k
107,000 milesMedian miles at failure

128 complaints record an odometer reading. Failures cluster around 150,000–200,000 miles.

Most common 1999 GMC Sierra 1500 problems

99 of the 158 complaints (63%) are about the brakes.

ComponentReportsCrashesFiresInjuries
Service Brakes, Hydraulic · brakes37
400
Service Brakes · brakes27
203
Service Brakes, Hydraulic › Foundation Components › Hoses, Lines/Piping, and Fittings · brakes12
000
Service Brakes, Hydraulic › Antilock/Traction Control/Electronic Limited Slip · brakes12
100
Seats9
000
Service Brakes, Hydraulic › Antilock/Traction Control/Electronic Limited Slip › Control Unit/Module · brakes6
100
Electrical System5
000
Unknown or Other4
000
Structure › Body · body and frame4
000
Suspension3
000

4 safety recalls

Part 573 reports
Wheels › Hub07E106000
Filed Dec 17, 2007130,000 vehiclesFederal-Mogul Corporation

Defect. 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.

Remedy. 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.

Equipment07E088000
Filed Oct 24, 2007121,680 vehiclesHoneywell International, Inc.

Defect. CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALLY. THE DATE CODE AND PART NUMBER APPEAR ON THE FILTER HOUSING. FRAM RACING HP4 AND HP8 OIL FILTERS NOT BEARING A DATE CODE IN THIS RANGE ARE NOT AFFECTED BY THIS RECALL. THE GASKET OF THE OIL FILTER BECOMES MORE PLIABLE UNDER HIGH TEMPERATURES AND PRESSURES.

Risk. THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.

Remedy. HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 2007. OWNERS CAN CONTACT FRAM CUSTOMER SERVICE TOLL-FREE AT 1-800-890-2075.

Fuel System, Gasoline06E043000
Filed May 19, 200688,303 vehiclesHoneywell International, Inc.

Defect. 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.

Remedy. 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).

Seat Belts › Front › Webbing00V122000
Filed Apr 27, 2000279,132 vehiclesGeneral Motors Corp.

Defect. VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES. THESE VEHICLES DO NOT COMPLY WITH THE OCCUPANT PROTECTION REQUIREMENTS OF FMVSS NO. 208, "OCCUPANT CRASH PROTECTION."

Risk. IN THE EVENT OF A VEHICLE CRASH, THE RIGHT FRONT PASSENGER RESTRAINT SYSTEMS MAY NOT MEET THE NECK EXTENSION REQUIREMENTS.

Remedy. DEALERS WILL INSTALL A TRAY INSERT ON THE TOP OF THE PASSENGER SIDE OF THE INSTRUMENT PANEL. THE TRAY INSERT CORRECTS THE NONCOMPLIANCE.

All 4 campaigns on file, newest first.

What owners reported

Newest filings
Service Brakes
Filed Sep 25, 2021NC

ABS Brakes cut out leaving you with little to no brakes. No warning light appears. This continues on and off over time. Then that ABS warning light came on. When the warning light was on, brakes worked just not ABS. Light would go out and back to the original issue. Took it in to dealership when the light remained on. They reset the light and told me every thing was fine. And charged me $$$. ABS Brake warning light can right back on. Had the manager drive it. Told me it was fine, brakes worked well. The ABS warning would go in and out. Removed the ABS fuse, so I could depend on being able to stop, without having to worry about the ABS cutting in and out for a few years. Watched for recalls, nothing appeared. Noticed on blogs, others were having the same issue. Took it to a great mechanic! Who verified there were no leaks in the brake lines, replaced one line that had been known to have issues on this type of truck and verified there were no air bubbles on the lines. Still same issue, then replaced the computer system for the ABS. No codes ever came up on the computer system that I can recall. Had more issues with the ABS. Would go to stop, (generally on a hill) then when it came to the final stopping, I had NO BRAKES, had to slam on the brakes to stop. ABS Brake warning lights never came on. My mechanic looked and looked and relooked into this. Found from others that blogged that they had similar issues, that one or both of the ABS Brake sensors were not responding evenly cau

Service Brakes
Filed Apr 27, 2019265,000 milesKY

I WAS DRIVING HOME FROM WORK ON 421 IN EMINENCE, KY. I PUSHED THE BRAKE PEDAL & I HAD NO BRAKES RIGHT IN FRONT OF HARRY HILL PARK. GM & I ARE VERY LUCKY THAT NO ONE WAS KILLED YESTERDAY. THE BRAKE LINE CORRODED & LEAKED THE BRAKE FLUID, SO WHEN I PUSHED THE PEDAL, IT WENT RIGHT TO THE FLOOR. THE VEHICLE IS PRETTY CLEAN & AFTER CHECKING MANY BLOGS & YOUTUBE VIDEOS THIS IS A VERY COMMON PROBLEM ON GM TRUCKS. I CHECKED THE RECALLS ON THIS TRUCK & THE TAILGATE CABLE IS RECALLED FOR BREAKING UNDER LOAD DUE TO CORROSION; THIS COULD INJURE SOMEBODY, BUT NOT AS VITAL COMPARED TO THE BRAKING SYSTEM AS SOMEONE COULD DIE IN A HORRIBLE INCIDENT. I WOULD GREATLY APPRECIATE YOUR ATTENTION TO THIS SERIOUS MATTER. THANK YOU

Unknown or Other
Filed Oct 15, 2018190,000 milesIN

I GOT UNDER THE TRUCK TO CHANGE THE OIL THEN I NOTICED A CRACK IN THE FRAME WHERE THE CROSS MEMBER IS. CROSS MEMBER RUNS ACROSS FRAME SUPPORT

Air BagsCrash1 injured
Filed Aug 15, 2018166,000 milesTX

TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. WHILE DRIVING ON A COUNTRY ROAD THAT WAS ROCKY AND BUMPY, THE CONTACT LOST CONTROL OF THE VEHICLE. AS A RESULT, THE CONTACT DROVE INTO A DITCH AND CRASHED INTO A TREE. THE DRIVER'S SIDE FRONTAL AIR BAG PARTIALLY DEPLOYED, BUT FAILED TO PREVENT THE CONTACT'S HEAD FROM MAKING CONTACT WITH THE STEERING WHEEL. THE CONTACT SUSTAINED HEAD INJURIES THAT REQUIRED MEDICAL TREATMENT. A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS NOT DIAGNOSED BY AN INDEPENDENT MECHANIC OR DEALER. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE TO DETERMINE IF THEY COULD INVESTIGATE. THE VEHICLE REMAINED PARKED AT THE CONTACT'S RESIDENCE. THE APPROXIMATE FAILURE MILEAGE WAS 166,000.

Structure › Body
Filed Jul 31, 201866,030 milesIN

I PURCHASED THIS TRUCK A FEW MONTHS AGO. WITHIN A WEEK I HAD A CO WORKER POINT OUT THE BED WAS LEANING TOWARD THE CAB. A FEW WEEKS LATER WE GOT UNDER THE TRUCK TO FIND OUT WHAT WAS GOING ON. WE NOTICED ALOT OF RUST. I LOOKED ON LINE TO SEE HOW TO FIX IT AND FOUND ALOT OF PEOPLE WERE DEALING WITH THE SAME ISSUE. I DECIDED TO GET SOME SHEET METAL AND WELD IT TO THE FRAME. I THEN ASKED MY BOSS WHO OWNS A WELDER IF HE COULD HELP ME WITH IT. HE SAID THERE WASN'T ANYTHING LEFT TO WELD TO. THEN THE TRUCK STARTED NOT GOING INTO PARK. AND TO START IT YOU'D HAVE TO START IT IN NEUTRAL AND IT WOULD NOT STAY IN PARK, IT WOULD ROLL AND THE EMERGENCY BRAKE NO LONGER WORKED. I THEN HAD MY PARENTS TO TAKE THE TRUCK TO A BODY SHOP TO SEE IF THEY COULD REPAIR IT. BOTH BODY SHOPS SAID IT WAS NOT REPAIRABLE THAT THE FRAME WAS RUSTED OUT AND NEEDED REPLACED. ONE SHOP SAID THAT THE PARKING ISSUE COULD BE FROM THE FRAME BENDING, BUT DID NOT KNOW WITHOUT GETTING INTO THAT. THEY ALSO TOLD THEM THAT THE TRUCK WAS UNSAFE TO BE ON THE ROAD. I FINANCED THIS TRUCK FOR $5500 AND NOW I'M PAYING PAYMENTS ON A TRUCK I CAN'T EVEN USE.

Service Brakes
Filed Feb 25, 2018123,000 milesMD

WHILE OPERATING THE VEHICLE AT APPROXIMATELY 45 MPH, I WAS APPROACHING AN INTERSECTION WHEN I APPLIED THE BRAKES TO SLOW THE VEHICLE. ONE OF THE REAR BRAKE LINES BURSTED CAUSING ME TO HAVE TO ABRUPTLY PUMP THE BRAKE PEDAL TO STOP THE VEHICLE. VERY DANGEROUS SITUATION AS A MARKED SHERIFF'S VEHICLE WITH ITS EMERGENCY LIGHTS AND SIREN ACTIVATED WAS TRAVELING AT A HIGH RATE OF SPEED ON THE INTERSECTING HIGHWAY THAT I WAS APPROACHING. THIS IS A KNOWN AND PREVALENT PROBLEM THAT EXISTS WITH GM TRUCKS AND GM IS WELL AWARE OF THE ISSUE BUT DENIES FAULTY PARTS.

Engine
Filed Nov 2, 2017677 milesTX

BRAKE CHECK ENGINE OIL CHANGE INDICATOR WILL NOT GO OFF

Unknown or Other
Filed Oct 8, 2017107,000 milesRI

I HAVE A 1999 GMC SIERRA 1500 Z71 WITH 107000 ON IT A FRAME CRACKED UNDER PASSENGERS DOOR AND AT REAR SHOCK MOUNT CALL GM TOLD ME TO BRING IT TO A DEALER FOR A FRAME INSPECTION TOLD ME FRAME IS ROTTED NOTHING THEY WOULD DO I THINK IT'S A SAFETY ISSUE SHOULDN'T ROT OUT HAD A 1997 CHEVY 1500 NEVER ANY RUST ON THAT TRUCK IT HAD 245000 MILES WHEN I SOLD IT .IF YOU NEED PICTURES OF THE ROT ON MY 1999 GMC SIERRA I WILL GET

Service Brakes
Filed Sep 25, 2017216,000 milesNJ

TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. WHILE DRIVING APPROXIMATELY 30 MPH, THE BRAKE PEDAL TRAVELED TO THE FLOOR WHEN THE PEDAL WAS DEPRESSED. THE VEHICLE CAME TO A STOP AND THE CONTACT NOTICED FLUID LEAKING UNDERNEATH THE VEHICLE. THE CONTACT HAD THE VEHICLE TOWED TO QUALITY CHEVROLET (1292 ROUTE 9 SOUTH OLD BRIDGE, NJ, 08857; 732-316-2600) WHERE IT WAS DIAGNOSED THAT THE BRAKE LINE EXPLODED AND AREAS OF THE BRAKING SYSTEM WERE RUSTED, WHICH CAUSED THE BRAKING SYSTEM TO FAIL. THE VEHICLE'S BRAKING SYSTEM NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 216,000.

Service Brakes
Filed Sep 5, 2017121,950 milesKS

DURING NORMAL STRAIGHT STOP FROM 50 MPH ON RURAL COUNTY ROAD, INTERSECTION WITH 70 MPH CROSSING 4-LANE DIVIDED STATE HIGHWAY, PEDAL WENT TO FLOOR AND BRAKING ABILITY WAS MINIMAL. EMERGENCY BRAKE NEEDED TO COMPLETE THE STOP BEFORE ENTERING CROSSING HIGH-SPEED TRAFFIC. UPON INSPECTION, DISCOVERED BRAKE LINE RUPTURED DUE TO RUST WITH MASSIVE INSTANTANEOUS FLUID LOSS.

Service Brakes
Filed Aug 28, 2017204,206 milesIN

TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. WHILE STOPPING THE VEHICLE, THE CONTACT HEARD AN ABNORMAL CLUNKING NOISE. THE PARKING BRAKE WAS ENGAGED, BUT IT FAILED TO RESPOND AND CAUSED THE VEHICLE TO MOVE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE LOCAL DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOT NOTIFIED OF THE ISSUE. THE FAILURE MILEAGE WAS 204,206.

Service BrakesCrash
Filed Aug 15, 2017112,000 milesIL

BRAKE LINE FAILER DO TO POOR ROUTING FROM FACTORY AND SUBSTANDARD MATERIAL USED ON OEM LINES (BARE STEEL) . ALWAYS REPLACE OEM LINES WITH POWDER COATED AFTERMARKET OR STAINLESS "ONLY" INSPECT "ALL LINES & HARDWARE & CLIPS TO FRAME ECT FOR CORROSION". BRAKE FAILER OCCURED WHILE TOWING ANOTHER AUTO WITH TRAILER ATTACHED NO WARNING.

Electrical System
Filed Jun 26, 2017140,000 milesNV

WHILE DRIVING ON A STREET IN MY NEIGHBORHOOD, WE FOUND THAT THE IGNITION SWITCH COULD BE MOVED TO THE "OFF" OR "ACCESSORY" POSITION WHILE DRIVING. NOTICED THAT STEERING, BRAKES, AND OTHER COMPONENTS BECAME DISABLED. LUCKILY WE WERE ABLE TO SAFELY MOVE THE VEHICLE TO THE ROADSIDE AND ASSESS THE SITUATION. A PROBLEM LIKE THIS COULD RESULT IN CATASTROPHIC SYSTEM FAILURE IN THE VEHICLE WHILE DRIVING AT HIGH SPEEDS, AND COULD CAUSE POSSIBLE DEATH IF WE WEREN'T AWARE OF THIS PROBLEM. PLEASE INFORM OTHER VEHICLE OWNERS OF THIS POSSIBLE DANGEROUS ISSUE.

Service Brakes
Filed May 29, 2017129,130 milesVA

WHEN COMING TO A STOPLIGHT, I APPLY THE BRAKES AND THE PEDAL GOES DOWN MORE THAN IT SHOULD, BUT I GET STOPPED. WHILE HOLDING THE BRAKE AND WAITING FOR THE LIGHT TO CHANGE THE BRAKE PEDAL GOES SLOWLY TO THE FLOOR. NEXT, I PULL INTO A PARKING LOT AND GET STOPPED. I PUT THE TRUCK IN PARK AN LOOK UNDER THE HOOD AT THE BRAKE MASTER CYLINDER, NO FLUID LEAKS, THEN I C LOOK AT EACH WHEEL, NO FLUID LEAKS. I GET TURNED AROUND AND HEAD HOME BECAUSE I KNOW SOMETHING IS WRONG. DRIVING HOME THE BRAKE PEDAL IS SOFT. I'M SOON HOME AND I PARK THE TRUCK BUT WITH THE MOTOR STILL RUNNING, I SLOWLY DEPRESS THE BRAKE PEDAL, IT GOES SLOWLY TO THE FLOOR, NEXT TIME I DEPRESS THE BRAKE PEDAL IT GOES TO THE FLOOR IN A SPLIT SECOND. I GET OUT AND INSPECT UNDER THE TRUCK. I SEE BRAKE FLUID LEAKING FROM THE LINES RUNNING DOWN THE FRAME RIGHT UNDER THE DRIVERS DOOR.

Suspension
Filed Mar 9, 2017186,000 milesNH

TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. THE CONTACT STATED THAT THE VEHICLE MADE AN ABNORMAL GRINDING SOUND FROM THE REAR END AFTER HITTING A POTHOLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE REAR DIFFERENTIAL WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. THE REAR DIFFERENTIAL WAS REPLACED FOUR TIMES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 186,000.

Structure › Body
Filed Jan 14, 201760,000 milesSC

BRAKE LINES RUSTED , ABS FAILURE ,GAS LINES RUSTED, TRANS COOLING LINES RUSTED. THESE WERE ALL FAILURES THAT NEEDED REPLACEMENT THROUGH THE YEARS I HAVE OWNED IT. NOW FRAME RUSTED AND CRACKED . TRUCK BASICALLY SHOT .

Structure › Body
Filed Oct 26, 2016172,000 milesKY

FRAME CROSS MEMBER BEHIND THE CAB IS RUSTED THROUGH. I HAVE OWNED VEHICLES IN "SALT" STATES AND NOT HAD THE FRAME RUST OUT. THIS SHOULD NOT BE CONSIDERED A "WEAR ITEM". THIS CAN LEAD TO A FAILURE WHEREBY THE FUEL TANK FALLS DOWN LEADING TO A HIGH RISK OF FIRE. THIS WAS FOUND DURING A REPLACEMENT OF THE BRAKE LINE (3RD SET) ASSEMBLY AND REMOVAL OF THE TRUCK BED.

Electrical System › Instrument Cluster/Panel
Filed Oct 4, 2016FL

TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. WHILE THE VEHICLE WAS IN NEUTRAL, THE INSTRUMENT PANEL GAUGES FAILED AND FLICKERED WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

Service Brakes
Filed Aug 22, 2016220,000 milesKY

BRAKE LINES LEAKING FROM CORROSION LEADING TO NO BRAKING

Service BrakesCrash3 injured
Filed Jul 24, 2016218,000 milesVA

I AM THE ORIGINAL OWNER OF A 1999 GMC SIERRA THAT JUST HAD BRAKE LINE FAILURE ON 7/14/16 ON THE INTERSTATE THAT CAUSED AN ACCCIDENT. I HAD COMPLETE LOSS OF BRAKES, PEDAL TO THE FLOOR. I USED LOW GEAR AND PARK BRAKE TO MINIMIZE DAMAGE BUT STILL MADE CONTACT. IT IS CURRENTLY AT PATRIOT BUICK GMC IN WILLIAMSBURG VA FOR REPAIR WHERE I BOUGHT IT NEW. I FEEL ME HAVING TO PAY $1000+ FOR THE BRAKE LINE REPAIR AND NOW A COURT DATE AND INSURANCE ISSUES THAT ARE NOT MY FAULT. WE NEED TO DISCUSS GMC MAKING SOME RESTITUTION AS THERE IS NO RUST ANYWHERE ELSE AND THIS TRUCK HAS ONLY BEEN IN VA. I HAVE OTHER GM CARS FROM THE 60'S, 70S AND 2000S THAT HAVE NO RUST ISSUE. FUEL LINE WAS LEAKING AS WELL AND SOME NEEDED REPLACMENT.GM SERVICE REQUEST 8-2250924255 I ALSO HAD THE PS REAR BRAKE ROTOR SHIELD COME OFF AND SCRAPE MOVING PARTS LAST YEAR. TURNED ITNTO DEALERSHIP AS A PROBLEM. THIS TRUCK WAS TSB'D YEARS AGO FOR LINE INSPECTION

Service Brakes
Filed Jul 14, 2016210,000 milesOH

BRAKES COMPLETELY FAILED,FOOTPEDAL WENT DOWN FLOOR. WHILE DRIVING IN RESIDENTIAL AREA.. BRAKE FLUID FOUND LEAKING.HAD TOWED TRUCK ,BRAKE LINES RUSTED THRU AND HAD 4 COMPLETE LINES REPLACED FOR THE SECOND TIME ..I HAVE OWNED TRUCK SINCE 1999. LAST BRAKE LINE REPLACED IN 2015. THE OTHER ITEM WAS FUEL PUMP FAILED ON THE WAY TO WORK AND TRUCK WOULD NOT START.HAD TO HAVE VEHICLE TOWED AT MIDNIGHT AND FUEL PUMP REPLACED.

Unknown or Other
Filed Jul 14, 2016210,000 milesOH

CHECK ENGINE LIGHT ALWAYS ON,MECHANIC CANNOT TURN OFF..ALSO WHILE DRIVING THE ABS WARNING LIGHT COMES ON FOR NO REASON WHILE DRIVING..

Service Brakes
Filed Jun 13, 2016OH

I HAVE 1999 GMC TRUCK FRAME RUSTED OUT. ONLY HAS 90,000 MILE'S I BELIVE GMC SHOULD HAVE TO RECALL THEM.WHY DID TOYOTA HAVE TO RECALL AND GMC IS GETTING AWAY WITH THIS.SOMETHING SHOULD BE DONE NOW. JAY

Seats
Filed Jun 1, 201681,316 milesMN

TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE COMING TO A STOP, THE LATCH THAT HELD THE DRIVER SEAT IN PLACE FAILED. THE CONTACT STATED THAT THE SEAT WOULD SLIDE FORWARD AND BACK. THE VEHICLE WAS NOT DIAGNOSED OR REPLACED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 81,316.

Seat Belts
Filed Mar 24, 2016158,000 milesIL

TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. THE CONTACT STATED THAT THE PASSENGER SIDE SEAT BELT SHOULDER HARNESS FAILED TO RETRACT. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE SHOULDER HARNESS 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 158,000.

Seat Belts
Filed Jan 28, 2016CA

MY DRIVER SIDE SEAT BELT THE LOCKING MECHANISM HAS FAILED TO LOCK ON TO THE RETRACTABLE LATCH LEAVING ME AN ILLEGAL DRIVER ON THE ROAD.I NEED YOUR HELP FOR REPAIRS AS I AM DISABLED,PLEASE ADVISE ME WHAT AND OR WHERE TO GO.THANK YOU [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

Steering
Filed Nov 5, 2015130,000 milesIA

WHEN DRIVING DOWN THE ROAD WHEN GOING AROUND LEFT CURVE THE STEERING WHEEL JUMPS TO THE LEFT AND COMES BACK. IT DOES NOT HAPPEN ALL THE TIME IT HAS BEEN GOING ON FOR TWO YEARS AND KNOW ONE CAN FIND THE PROBLEM. THIS TRUCK WAS BUILT IN 11/OF 1998.

Unknown or Other
Filed Jun 5, 2015243,000 milesWV

FRAME AND CROSS MEMBERS CORROSION FOUND WHEN HAVING CAB ROCKER PANELS REPLACED AND PREP-REPAINT CAB. BODY SHOP CALLED ASK ME TO STOP BY HAVE A LOOK AND THAT THEY HAD REMOVED THE BED. I WAS SHOCKED AT THE CROSS MEMBER TUBE THAT REAR SHOCK IS MOUNTED TO IS ALMOST CORRODED COMPLETELY AROUND OVER EXAUST MUFFLER. SHOP OWNER INFORMED ME HE DID NOT HAVE ABILITY TO REPLACE CROSS MEMBER. I AM ALSO CONCERNED ABOUT THE AMOUNT OF CORROSION OVER ALL FRAME-STRUCTURE. WE BOUGHT TRUCK NEW, 50% OF ITS TIME WAS PARKED UNDER CAR PORT. NEW CRATE MOTOR ($5000 INSTALLED) HAS 25,000 MILES. CAB REPAIRS AND PAINT $3000 >. I KEPT IT WELL MAINTAINED. WE HAVE 7 GM VEHICLES, CANNOT HELP TO WONDER HOW MUCH HIDDEN SUPRISES AHEAD? I REPLACED CORRODED BRAKE LINES 2008 BRAKES WENT OUT IN DRIVEWAY STOPPED WITH PARKING BRAKE. THIS IS A SERIOUS SUBSTANDARD STEEL PROBLEM. TOYOTA I UNDERSTAND WAS RECALLED ON THIS SAME ISSUE? THE TRUCK STILL DRIVES AND FEELS LIKE THE FIRST RIDE. ANY HELPFUL INFORMATION WELCOME. THANKS'

Service Brakes
Filed Feb 4, 2015120,000 milesWA

SUBURBAN IS EXTREMELY DIFFICULT TO STOP OR WILL NOT STOP AT STOP SIGNS. PEDAL GOES TO THE FLOOR FOR EMERGENCY STOPS ON HIGHWAY AND GOING DOWN HILLS. BRAKE PEDAL IS VERY SOFT. ABS SYSTEM ACTIVATES AT SLOW SPEEDS AND/OR MAY PULL VEHICLE VERY HARD TO THE LEFT. NHTSA RECALL ISSUED FOR THIS PROBLEM ONLY IN CERTAIN NORTHERN STATES BUT NOT IN WASHINGTON STATE WHERE WE HAVE HIGH CORROSION FROM NATURAL OCEAN AIR AND EXTREME WINTER MOUNTAIN DRIVING WITH DEICERS. THOUGH BRAKES HAVE BEEN REPEATEDLY SERVICED SINCE NEW THIS SAFETY PROBLEM PERSISTS AND IS GETTING WORSE. *TR

Service Brakes
Filed Jan 18, 2015154,892 milesPA

WHILE DRIVING ON PUBLIC 4 LANE HIGHWAY AND COMING TO A YELLOW LIGHT I APPLIED THE BRAKE PEDAL AND THE PEDAL INSTANTLY WENT TO THE FLOOR. I TRIED TO PUMP THE PEDAL IN A PANIC AND STILL HAD NO EFFECT ON STOPPING THE TRUCK. I DOWNSHIFTED IN TO 1ST GEAR MANUALLY TO USE ENGINE BRAKING AND SLAMMED MY EMERGENCY TO THE FLOOR. THE TRUCK WAS UNABLE TO COMPLETE THE STOP IN WHICH IN HAD MORE THAN 300 FT TO DO SO AND I PRECEDED THROUGH WHAT HAD BECOME A RED LIGHT. THIS INCIDENT HAPPENED VERY LATE AT NIGHT SO THANKFULLY THERE WERE NO OTHER VEHICLE GOING THROUGH THE INTERSECTION. I HAD A FRIEND ESCORT ME THE MILE LEFT TO MY HOUSE VIA HIS TRUCK AND TOW STRAP AND MY EMERGENCY BRAKE AS MY ONLY BRAKE NOT TO HIT THE BACK OF HIS TRUCK. NOW UPON VISUAL INSPECTION OF ALL MY BRAKE AND FUEL LINES THEY ARE COMPLETELY RUSTED AT MULTIPLE SPOTS THROUGHOUT THE FRAME CHANNEL AND REAR AXLE AREA. THE BURST LOCATION HAPPENED JUST AT THE BACK OR DRIVERS DOOR EDGE TO THE FRONT OF THE L/R WHEEL. *TR

Service Brakes
Filed Dec 23, 2014125,100 milesPA

7 O' CLOCK IN THE MORNING HEADING TO WORK MAKING A LEFT TURN INTO PARKING LOT APPLY THE BRAKES, PEDAL WANT TO THE FLOOR, AVOID HITTING THE CAR IN FRONT OF ME, JUMPING THE CURB CAME TO A STOP, CHECKED UNDERNEATH, OIL LEAKING. CALL FOR A TOW TRUCK. . MECHANIC CHECKED THE BRAKES LINES ALL NEED TO BE REPLACE. *TR

Service Brakes
Filed Oct 27, 2014150,000 milesMI

COMING TO A STOP SIGN I APPLIED THE BRAKES AND THEY COMPLETELY FAILED WITHOUT WARNING; NO LIGHTS OR INDICATION FAILURE WAS IMMINENT. THE PEDAL WENT TO THE FLOOR WITH NO RESISTANCE. MANAGED TO TURN ONTO A DIRT SHOULDER AND DOWNSHIFT TO STOP. INSPECTION REVEALED RUSTED THROUGH REAR BRAKE LINE. ALTHOUGH THE DASH BRAKE WARNING LIGHT COMES ON WHILE STARTING THE TRUCK, IT GOES OFF AND GIVES NO INDICATION THE BRAKE FLUID IS LOW. WHILE REPAIRING THE BRAKE LINES IT WAS NOTICED THE FRAME OF THE TRUCK IS EXTREMELY RUSTY AND FLAKING. AFTER WIRE-BRUSHING BY HAND,THE FRAME IS SHOWING CRACKS ON BOTH SIDES, UNDER THE CAB, NEAR THE REAR, RIGHT ABOUT WHERE A CROSSMEMBER IS ATTACHED. THIS VEHICLE IS NO LONGER SAFE TO DRIVE. I AM NOT IMPRESSED WITH GM'S CLAIM THAT THIS WAS A LIGHTER, STRONGER FRAME ON THIS TRUCK. WE HAVE 2 OLDER TRUCKS WITH NOWHERE NEAR THIS MUCH RUST AND NEITHER HAVE CRACKED. THE DESIGN ALLOWS TOO MUCH CRUD TO ACCUMULATE INSIDE THE LIP OF THE FRAME WHERE IT IS ALMOST IMPOSSIBLE TO WASH OUT. *TR

Service Brakes, Hydraulic › Foundation Components › Hoses, Lines/Piping, and Fittings
Filed Jun 9, 201460,000 milesNJ

TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. WHILE DRIVING AT AN UNKNOWN SPEED, THE BRAKES FAILED AS THE BRAKE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO A MECHANIC, WHO STATED THAT THE BRAKE LINES FAILED AND WERE RUSTED. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 60,000. UPDATED 09/15/14*LJ THE CONSUMER STATED THAT 2 DAMAGED LINESWITH UNION WERE REPAIRED. ALL LINES NEEDED TO BE REPAIRED. UPDATED 1/15/2014 *JS

Service Brakes
Filed May 16, 2014114,191 milesMA

WHILE STARTING TO DRIVE AWAY, APPLIED BRAKES AND COULD NOT STOP. NO WARNING ABLE TO STOP VEHICLE AND HAVE TOWED TO REPAIR TO A LOCAL GM DEALER REPAIR FACILITY REPAIRED SECTION OF RUSTED OUT BRAKE LINE. SECOND INCIDENT OCCURRED ON AUGUST 2010 TRAVELING APPROXIMATELY 35 MPH. APPLYING BRAKES FOR A TURN NO BRAKES NO WARNING, WAS ABLE TO AVOID REAR END COLLISION BY GOING STRAIGHT AND USING EMERGENCY BRAKE. VEHICLE WAS TOWED TO LOCAL REPAIR CENTER AND HAD TO REPLACE 3 FT OF BRAKE LINE AND AGAIN WAS A RUSTED OUT SECTION OF BREAK LINE I AM SENDING INFORMATION BECAUSE OF THE REPORTS THAT THIS HAS BEEN A ONGOING PROBLEM FOR GM TRUCKS. *TR

Service Brakes
Filed Jan 25, 20141,490,954 milesNJ

WHILE DRIVING ON INTERSTATE 295 I NOTICED THE BRAKE LIGHT COME ON SO I CHECKED THE EMERGENCY BRAKE TO MAKE SURE IT WASN'T PUSHED IN I PULLED OVER AT THE NEXT REST STOP I LOOKED OVER TRUCK ALL SEEMED OK AFTER RESTARTING LIGHT WAS OFF THEN CAME ON WHILE DRIVING AGAIN AS I GOT TO MY EXIT PEDAL WENT TO THE FLOOR SCARY AS HELL BUT THE TRUCK DID STOP AS I STEPPED ALL THE WAY DOWN . I PROCEEDED HOME CHECKED BRAKE FLUID NONE AT ALL I ADDED SOME AND COULD SEE AFTER I STARTED AND PUMPED BRAKES THE FLUID WAS SPURTING OUT A LINE ONTO UNDER CARRIAGE I TOOK TO MY TECH HE SAID ITS A KNOWN PROBLEM WITH CHEVY GMC AND WOULD COST CLOSE TO $1500.00 RIGHT NOW IM UNEMPLOYED AND CANT AFFORD TO HAVE IT FIXED PLEASE HELP, HELP, HELP! *TR

Service Brakes
Filed Dec 3, 201397,000 milesMD

TL* THE CONTACT OWNS A 1999 GMC K1500 SIERRA. THE CONTACT STATED THAT THE WHILE REVERSING, THE BRAKES FAILED TO ENGAGE. THE CONTACT LATER INSPECTED THE VEHICLE AND DISCOVERED THAT BRAKE FLUID WAS LEAKING FROM THE BRAKE LINES. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR INSPECTION OR REPAIRS. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE AND CURRENT MILEAGE WAS 97,000. UPDATED 01/14/14*LJ THE CONSUMER STATED 9 BRAKE LINES WERE REPLACED. UPDATED 01/16/14

Structure › Frame and Members › Underbody Shields
Filed Nov 6, 2013200,000 milesNE

THE FRAME IS RUSTED THRU AND IS CRACKING. THIS IS A MAJOR SAFETY ISSUE. WHY ISN'T THERE A RECALL ON THIS??? *TR

Service Brakes
Filed Jul 2, 2013172,000 milesTN

I STARTED MY TRUCK TO PULL OUT OF MY DRIVEWAY MONDAY 7-1-2013 BRAKE PEDAL HIT THE FLOOR..CHECKING THE SYSTEM I FOUND FLUID LEAK UNDER REAR OF TRUCK. LINE RUST COLOR, LEAK, AIR COMING FROM LINE. CALLED MECHANIC. WILL HAVE RESULTS NEXT WEEK. TRUCK HAS TO BE TOWED..IF I HAD BEEN DRIVING I WOULD HAVE BEEN IN A CRASH...THIS SITUATION NEEDS SERIOUS ATTENTION......I AM BLESSED. WILL UPDATE FROM MECHANIC NEXT WEEK.

Service Brakes
Filed Jun 17, 20133,045,251 milesWV

I WAS BACKING OUT OF MY DRIVEWAY WHEN MY BRAKES WENT TO THE FLOOR, ALWAYS NOTICED HOW RUSTY THE TRUCK IS UNDERNEATH, AND THE OUTSIDE LOOKS LIKE NEW. WHAT HAD HAPPEN IS A WHOLE IN MY BRAKE LINE .I DONE SOME RESEARCH AND NOTICED ABOUT 6 MILLION OTHER PEOPLE HAVE HAD THE SAME ISSUE..DEFINITELY THINK GM SHOULD PAY FOR NEW BRAKE LINES, WHY WOULD THEY BUILD A VEHICLE THAT'S NOT SAFE FOR AT LEAST 15 YEARS..DON'T THINK I'LL EVER OWN ANOTHER GM PRODUCT. *TR

Suspension
Filed Jun 11, 2013120,000 milesMA

FRAME ROTTED,SUSPENSION ROTTED,FRONT SUSPENSION LOCK TOTALLY ROTTED. *TR

Service Brakes
Filed Mar 5, 201399,000 milesMI

BRAKE PEDAL WENT TO FLOOR DUE TO PREMATURE BRAKE LINE FAILURE. WAS ABLE TO DOWN SHIFT AND CURB THE VEHICLE TO STOP IN TIME. *TR

Seats
Filed Feb 26, 2013135,000 milesAR

AFTER LETTING MY SON EXIT ON THE DRIVERS SIDE, TRIED TO RETURN SEAT TO NORMAL POSITION AND COULD NOT. AFTER STRUGGLING WITH IT, A PLASTIC PART IN THE SEAT TRACK BROKE AND THEN SEAT WOULD NOT STAY IN PLACE AT ALL. CAREFULLY DROVE TO NEAREST GM DEALERSHIP AND WAS TOLD PART WAS NOT IN STOCK, WOULD TAKE UP TO A WEEK AND WAS VERY EXPENSIVE. I WAS ON VACATION, SO COULD NOT WAIT, TRIED SALVAGE YARDS, NO LUCK. HAD UPHOLSTERY SHOP DRIVE LARGE SCREW INTO TRACK TO LOCK IT IN PLACE AND HAVE NOT BEEN ABLE TO LOCATE A PART. *TR

Service Brakes
Filed Dec 31, 2012199,000 milesKY

I WAS IN A DRIVEWAY AND ATTEMPTED TO STOP TO TURN ONTO THE MAIN ROAD, WHEN I PRESSED THE BRAKES THEY WENT TO THE FLOOR. I USED THE PARK BRAKE TO STOP AND RETURNED HOME. I FOUND THE LEAK, IT IS ON THE BRAKE LINE WHERE A GROUP OF FOUR LINES RUN ALONG THE FRAME UNDER THE DRIVERS SEAT. *TR

Fuel System, Gasoline › Storage › Tank Assembly › Mounting
Filed Dec 10, 2012101,000 milesKY

TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING 35 MPH, HE HEARD AN ABNORMAL NOISE IN THE DRIVE SHAFT. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSIS WHERE THE CONTACT WAS INFORMED THAT THE FUEL TANK STRAPS WERE FRACTURED. BOTH STRAPS WERE REPLACED. THE DEALER AND MANUFACTURER WERE NOTIFIED BUT OFFERED NO ASSISTANCE. THE FAILURE AND CURRENT MILEAGE WAS 101,000. UPDATED 1/17/13 *CN THE CONSUMER STATED THE REAR FUEL STRAP HAD BROKEN AND WAS RUBBING AGAINST THE DRIVE SHAFT. THE FRONT STRAP WAS RUSTED, BUT NOT BROKEN. BOTH WERE REPLACED AT HIS EXPENSE. UPDATED 01/24/13

Service Brakes
Filed Oct 21, 201240,000 milesMD

EXCESSIVE RUST BUILD UP ON BRAKE ROTORS AND CALIPERS. ROTORS & PADS PREVIOUSLY REPLACED IN MAR., 2007 AFTER DRIVING 40,000 MILES. NEEDED REPLACEMENT AGAIN IN OCT., 2009 AFTER ONLY DRIVING 14,000 ADDITIONAL MILES. INSTRUMENT CLUSTER FAILED AND WAS REPLACED IN JUNE, 2011 AT 58,000 MILES. DEALER ADVISED NO RECALL ON THIS MODEL, ALTHOUGH IDENTICAL INSTRUMENT CLUSTERS FOR NEWER VEHICLES HAD BEEN RECALLED AND WERE BEING REPLACED AT NO CHARGE. *TR

Service Brakes
Filed Oct 2, 2012235,000 milesNJ

PUT VEHICLE IN GEAR , NO BRAKE PEDAL .... BRAKE LINES WERE RUSTED AND FAILED......... HAD ALL 5 LINES REPLACED......... *TR

Service Brakes
Filed Sep 18, 2012190,000 milesMI

I WAS COMING UPON A RED LIGHT BEHIND OTHER TRAFFIC. I STEPPED DOWN ON THE BRAKES TO STOP, AND THE PEDDLE FELT SPONGY. I TRIED PUMPING THEM, THEN NOTHING. I AVOIDED HITTING THE TRUCK IN FRONT OF ME BY SWERVING ACROSS INTO THE OTHER LANE AND PULLING INTO A PARKING LOT, WERE I WAS ABLE TO BRING THE VEHICLE TO A STOP. THE BRAKE WARNING LIGHT NEVER CAME ON, AND I DON'T UNDERSTAND WHILE IT WAS A TOTAL BRAKE FAILURE, I THOUGHT THAT'S WHY THERE IS A DUAL RESERVOIR, AND THERE WAS STILL PLENTY OF FLUID IN BOTH. UPON INSPECTION, I SAW THE BRAKE LINES WERE ALL SEVERELY CORRODED, AND THE ONE GOING TO THE REAR BRAKES WAS SPLIT. I KNOW I LIVE IN MICHIGAN, AND THE TRUCK IS RUSTY(THANKS AGAIN GM) BUT I HAVE CARS OVER 40 YEARS OLD WITH ORIGINAL LINES ON THEM WITH ABSOLUTELY NO CORROSION ON THEM. THIS IS A SUBSTANDARD PART, THAT NEEDS TO BE RECALLED BEFORE MORE PEOPLE ARE INJURED OR KILLED. *TR

Steering
Filed Sep 12, 2012147,000 milesCA

POWER STEERING SUDDENLY GOES INTO MAX ASSIST WHEN MAKING GRADUAL TURNS CAUSING THE STEERING WHEEL TO JERK OUT OF YOUR HANDS AND ALMOST CAUSING AN ACCIDENT. VEHICLE SWERVED ALL OVER THE FREEWAY UNTIL IT COULD BE STOPPED. APPARENTLY GM IS AWARE OF THE PROBLEM SINCE THEY MAKE A BYPASS KIT (P/N 19168825) TO ELIMINATE THE FAULTY ACTUATOR MOUNTED ON THE POWER STEERING PUMP BUT THEY WILL NOT ISSUE A RECALL EVEN THOUGH THIS IS AN EXTREME SAFETY HAZARD. GM EXPECTS YOU TO BUY A $70 KIT TO REMEDY THE PROBLEM. THIS HAS BEEN AN ONGOING RANDOM INTERMITTENT PROBLEM WITH MY SUBURBAN FOR THE LAST 8-9 YRS. *TR *JS

Service Brakes
Filed Aug 17, 2012175,000 milesKS

AS I WAS APPROACHING A STOPLIGHT, MY BRAKE PEDAL WENT TO THE FLOOR. I LIMPED IT AROUND THE CORNER AND FOUND A HOLE IN A HARD BRAKE LINE. I HAD IT REPAIRED BY A CERTIFIED MECHANIC. NOW A SECOND RUPTURE HAS OCCURRED. THIS SEEMS TO BE A RESULT OF CORROSION. *TR

Service Brakes, Hydraulic › Foundation Components › Hoses, Lines/Piping, and Fittings
Filed Jun 26, 2012192,150 milesOH

STOPPED IN MY DRIVEWAY TO GET NEWSPAPER AND MAIL. I GOT BACK INTO THE TRUCK AND APPLIED THE BRAKE TO SHIFT INTO DRIVE. THE BRAKE PEDAL WENT TO THE FLOOR. I COASTED UP THE DRIVEWAY AND WAS ABLE TO STOP. WHEN I GOT OUT OF THE TRUCK THERE WAS A TRAIL OF BRAKE FLUID. THE LEAK WAS COMING FROM UNDER THE DRIVER'S SEAT AREA, WHERE THE BRAKE LINE ATTACHED TO THE ABS PUMP. MY MECHANIC HAD TO REPLACE ALL OF THE BRAKE LINES. *JB

Complaints 1-50 of 158, newest first, reproduced as filed.

Across model years

Worst on record: 2014
YearComplaintsRecallsFiresDeathsAssessment
2026147200Do not drive
2025125110Routine
2024379100Above average
2023506320Above average
2022602650Above average
2021599760Above average
20204841250Above average
20196581030Above average
2018305710Above average
2017355640Above average
20163438130Do not drive
2015720990Above average
2014743971Fatalities reported
2013116310Routine
2012107300Routine
2011284530Above average
2010168420Routine
2009234440Above average
2008381250Above average
2007263320Above average
2006145251Fatalities reported
2005177390Routine
2004212510Above average
2003180440Routine
2002166400Routine
2001140500Routine
2000181300Routine
1999 — this page158400Routine
199859420Routine
199783500Routine
19965010Routine
19953010Routine
199413000Routine

Compare every Sierra 1500 year →

Reading this record

No unusual pattern of severe incidents in the complaint record.

Complaint counts track how many cars were sold and how long they have been on the road as much as they track quality. A common model from 2013 has had a decade to accumulate reports; a rare one from last year has not. The signal worth weighing is in the severity columns, in whether the same component keeps appearing, and in whether the manufacturer eventually opened a recall for it.

Recall repairs are free for as long as the recall stands. Check whether a specific car still has open work at NHTSA's VIN lookup.

Most recent recall on file: Dec 17, 2007. Source: NHTSA Office of Defects Investigation.