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2011 Chevrolet Silverado 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2011 Chevrolet Silverado 1500 do not stand out strongly from the model-year median of 525.

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When problems were reported

Mileage at the reported incident

263 reports with mileage · 300 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Air Bags. Review the 306 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 72 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 40 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

22 crash reports4 fire reports6 injury reports

Fuel/propulsion System complaints

10 reports
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Mileage unknown · Jan 31, 2025
EngineFuel/propulsion SystemWheels

The software that makes the truck work as a 4 cylinder truck has caused the engine light to come on and causing a code P0300 various engine misfire. The misfire is caused by the lifter spring causing the lifter to remain in the down position. The down position is against the can rod and as the cam rod rotates, this causes the l…

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The software that makes the truck work as a 4 cylinder truck has caused the engine light to come on and causing a code P0300 various engine misfire. The misfire is caused by the lifter spring causing the lifter to remain in the down position. The down position is against the can rod and as the cam rod rotates, this causes the lifter to break at the bottom and causing the can rod to also break which will cause an engine failure while drinking and the motor will freeze . All GMC and Chevrolet vehicles with this installed should be recalled. Everyone has been fixing it themselves by replacing the part(s) once a pinging noise is heard at 50,000 miles. Basically every 50,000 this will need to be fixed. Some people are turning off the 4 cylinder software to avoid the problem which in both cases, uses more gas and also idles higher.

NHTSA ODI #11639802

Mileage unknown · Aug 21, 2023
Fuel/propulsion SystemUnknown Or Other

Fuel leak at the fuel tank. Pulled tank from the truck, found the fuel pump housing was completely rusted out. Upon inspection of the pump housing, the high pressure line was rusted out and almost off the pump, causing gasoline to pump out and all over. After replacing this fuel pump I inspected the frame and found the frame loo…

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Fuel leak at the fuel tank. Pulled tank from the truck, found the fuel pump housing was completely rusted out. Upon inspection of the pump housing, the high pressure line was rusted out and almost off the pump, causing gasoline to pump out and all over. After replacing this fuel pump I inspected the frame and found the frame looks like a frame off a truck that is 40 years old, not a truck that is only 12 years old. The frame has heavy levels of rust down thru from the drivetrain back. There are spots that are rusted completely thru the frame where it looks like a crack down the frame. Most of the rust is on the bottom side or inside area of the frame. This area with the rust crack will have to be repaired very soon for safety of the vehicle, because if the frame would happen to fail where this crack is, the truck would fold in half, and if it is being driven on the interstate it would cause a major accident for sure. The rusting is so extensive that instead of repairing the spots, it would be more feasible to just go ahead and replace the whole back half of the truck frame. This is unacceptable for Chevrolet to use material that craps out so fast on trucks that are supposed to last many years, instead of falling apart long before they are even paid off. A 12 year old truck shouldn't have this extensive amount of rust damage to the frame. I would just fix the frame if this was commonplace for trucks, but my 2000 Dodge Ram has a frame far better then what is under my 2011 Chevy Silverado as far as rust goes. 2000 Dodge surface rust in spots, 2011 Chevy completely rusted thru in spots. My next inspection on this Chevy will more then likely remove it off the road unless the frame is repaired. Unacceptable from Chevrolet and for only a 12 year old truck. I added pics of the frame right in front of the fuel tank, which the frame shows that long rusted crack down it. Can send more pictures of the frame in other places if needed.

NHTSA ODI #11539753

149,000 miles · Mar 22, 2019
Fuel/propulsion System

LEAKING FUEL AT FUEL PUMP AT TANK LINE RUSTED AWAY!

NHTSA ODI #11190943

52,976 miles · Mar 21, 2018
Fuel/propulsion System

I AM ORIGINAL OWNER, PURCHASED NEW 12/30/11, AND VEHICLE HAS ALWAYS BEEN WELL CARED FOR AND MAINTAINED. IT IS A 2011 AND ONLY HAD 52,976 MILES. I NOTICE A GAS ODOR AND GAS DRIPPING UNDERNEATH VEHICLE, WITH A HESITATION IN STARTING VEHICLE. VEHICLE WAS BROUGHT TO WHITEMAN CHEVROLET IN GLENS FALLS, NY. THEIR DIAGNOSIS WAS FUEL…

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I AM ORIGINAL OWNER, PURCHASED NEW 12/30/11, AND VEHICLE HAS ALWAYS BEEN WELL CARED FOR AND MAINTAINED. IT IS A 2011 AND ONLY HAD 52,976 MILES. I NOTICE A GAS ODOR AND GAS DRIPPING UNDERNEATH VEHICLE, WITH A HESITATION IN STARTING VEHICLE. VEHICLE WAS BROUGHT TO WHITEMAN CHEVROLET IN GLENS FALLS, NY. THEIR DIAGNOSIS WAS FUEL PUMP ROTTED AND LEAKING, AND FITTINGS ROTTED INTO PLASTIC LINES. THEY REPLACED FUEL PUMP, LOCK RING, LEVEL SENSOR, AND BOTH LINES OFF PUMP. TOTAL COST WAS $1318.11. THEY STATED THESE PARTS WERE CORRODED FROM WEATHER AND ROAD SALT, AND NOT COVERED BY ANY WARRANTY OR RECALL. I WROTE A COMPLAINT TO GM CHEVROLET CUSTOMER ASSISTANCE CENTER. THEY ASSIGNED A CASE NUMBER 8-3967027450 AND ADVISOR 'DEANNDRA' TO INVESTIGATE. HER INVESTIGATION CONCLUDED THAT THE PARTS THAT WERE REPLACED HAD BEEN CORRODED BY WEATHER AND ROAD SALT IN MY AREA. SHE STATED THERE ARE NO OTHER COMPLAINTS OF THIS NATURE ON FILE TO INDICATE THIS BEING A PROBLEM, SO THIS CASE IS CLOSED.

NHTSA ODI #11080636

72,453 miles · Apr 29, 2017
Electronic Stability Control (esc)Fuel/propulsion SystemVehicle Speed Control

ONE NIGHT ON THE WAY HOME FROM WORK, I WAS DRIVING 60MPH AND ALL OF THE SUDDEN MY TRUCK HYDROPLANED. I MANAGED TO GET THE TRUCK STRAIGHT AND REGAIN CONTROL OF THE VEHICLE. ABOUT A WEEK LATER, AS I'M HEADING HOME ALL OF THE SUDDEN MY ABS, BRAKE, AND TRACTION CONTROL LIGHTS ALL ILLUMINATED. THE DIC READS SERVICE STABILITRAK AND SE…

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ONE NIGHT ON THE WAY HOME FROM WORK, I WAS DRIVING 60MPH AND ALL OF THE SUDDEN MY TRUCK HYDROPLANED. I MANAGED TO GET THE TRUCK STRAIGHT AND REGAIN CONTROL OF THE VEHICLE. ABOUT A WEEK LATER, AS I'M HEADING HOME ALL OF THE SUDDEN MY ABS, BRAKE, AND TRACTION CONTROL LIGHTS ALL ILLUMINATED. THE DIC READS SERVICE STABILITRAK AND SERVICE TRACTION CONTROL, THEN IT WILL DISPLAY STABILITRAK OFF AND TRACTION CONTROL OFF. I HAD THE CODES READ AND MY TROUBLE CODE WAS P069E - FUEL PUMP CONTROL MODULE REQUESTED MIL ILLUMINATION AND U0073 - CONTROL MODULE COMMUNICATION BUS A OFF. ALL THOSE LIGHTS MENTIONED ABOVE HAVE BEEN ON FOR ABOUT A MONTH. I LOOKED UP INFORMATION ABOUT THE FPCM AND FOUND OUT ABOUT GM RECALL 14515, I ENTERED MY VIN BUT THE ONLY RECALL THAT CAME UP WAS FOR THE TAKATA AIRBAG RECALL. AS I READ THROUGH THE 14515 RECALL, I FEEL MY TRUCK IS AFFECTED BY IT BECAUSE, WHILE DRIVING THE TRUCK MY SPEEDOMETER JUMPS ALL AROUND AND IS NOT STABLE. ALSO, WHEN I TRY TO ACCELERATE, IT FEELS LIKE THE ENGINE STALLS AND THERE'S NO POWER THERE. OTHER TIMES, IT WILL DOWN SHIFT TO INCREASE RPMS, BUT THEN SOON SHIFT GEARS INTO A HIGHER GEAR THEN SHIFT BACK INTO A LOW GEAR AND REPEAT THIS UNTIL I LET OFF THE PEDAL. MY TOW HAUL MODE WILL NOT STAY ENGAGED, CRUISE CONTROL WILL NOT STAY ENGAGED, AND MOST OF THE TIME MY TRUCK WON'T EVEN START WHEN TRYING TO USE THE REMOTE START, INSTEAD LIGHTS JUST FLASH AS I'M HOLDING DOWN THE START BUTTON ON THE KEY FOB. THE TRUCK FEELS REALLY SLUGGISH ALMOST LIKE THERE'S NO POWER, IT SEEMS LIKE IT HUNTS FOR THE RIGHT GEARS WHILE DRIVING. OVERALL IT JUST FEELS UNSAFE TO DRIVE.

NHTSA ODI #10981435

99,000 miles · Mar 20, 2017
Electronic Stability Control (esc)EngineFuel/propulsion System

VEHICLE WENT INTO LIMP MODE WHILE CRUISING AT 65 MPH. TRACTION CONTROL DISABLED LIGHT AND CHECK ENGINE LIGHT ILLUMINATED. MESSAGE CENTER DISPLAYED "SERVICE STABILITRAK" "SERVICE TRACTION CONTROL" AND "ENGINE POWER REDUCED" MESSAGES. VEHICLE SLOWED AND TRANSMISSION DOWNSHIFTED. VEHICLE FAILED TO ACCELERATE WHILE DEPRESSING T…

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VEHICLE WENT INTO LIMP MODE WHILE CRUISING AT 65 MPH. TRACTION CONTROL DISABLED LIGHT AND CHECK ENGINE LIGHT ILLUMINATED. MESSAGE CENTER DISPLAYED "SERVICE STABILITRAK" "SERVICE TRACTION CONTROL" AND "ENGINE POWER REDUCED" MESSAGES. VEHICLE SLOWED AND TRANSMISSION DOWNSHIFTED. VEHICLE FAILED TO ACCELERATE WHILE DEPRESSING THE ACCELERATOR PEDAL. WITH ACCELERATOR TO THE FLOOR THE VEHICLE WOULD NOT EXCEED 35 MPH IN A FLAT GRADE. ON A STEEP INCLINE THE VEHICLE WOULD NOT EXCEED 15MPH WITH THE ACCELERATOR PEDAL TO THE FLOOR. THE ISSUE HAS OCCURED SEVERAL TIMES BEFORE. PARKING THE VEHICLE ON THE SIDE OF THE ROAD AND SEVERAL IGNITION CYCLES HAVE IN THE PAST HAVE RESOLVED THE ISSUE. THIS IS A KNOWN ISSUE WITH GM VEHICLES USING A DRIVE BY WIRE THROTTLE BODY AND IT HAS BEEN RECALLED ON OTHER MODEL YEARS.

NHTSA ODI #10967118

69,000 miles · Feb 17, 2017
Fuel/propulsion System

TRUCK CONSUMES MUCH MORE THAN AVERAGE ENGINE OIL

NHTSA ODI #10955333

83,500 miles · Feb 11, 2017
EngineFuel/propulsion SystemPower Train

ENGINE POWER REDUCED, SERVICE TRACTION CONTROL, SERVICE STABILITRAK, THESE WARNING LIGHTS CAME ON AND AS MY TRUCK SLOWED DOWN NO MATTER HOW MUCH GAS I GAVE IT. ALSO THE CHECK ENGINE LIGHT CAME ON. I SHUT TRUCK OFF AND WAITED A COUPLE MINUTES THEN STARTED TRUCK UP . IT RAN FOR A FEW MINUTES THEN THE SAME 3 WARNING LIGHTS CAME O…

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ENGINE POWER REDUCED, SERVICE TRACTION CONTROL, SERVICE STABILITRAK, THESE WARNING LIGHTS CAME ON AND AS MY TRUCK SLOWED DOWN NO MATTER HOW MUCH GAS I GAVE IT. ALSO THE CHECK ENGINE LIGHT CAME ON. I SHUT TRUCK OFF AND WAITED A COUPLE MINUTES THEN STARTED TRUCK UP . IT RAN FOR A FEW MINUTES THEN THE SAME 3 WARNING LIGHTS CAME ON ALONG WITH THE CHECK ENGINE. LIGHT. IS THERE A RECALL OR A TECHNICAL SERVICE BULLETIN (TSB) FOR THIS ISSUE. I DID READ THAT THERE MIGHT BE A TSB CAMPAIGN # [XXX] FOR THIS ISSUE. IS THERE ANY PAPERWORK THAT CAN BE EMAILED TO ME TO GIVE TO THE GM DEALER TO HELP ME WITH THIS ISSUE. THE VEHICLE WAS IN MOTION THE FIRST TIME IT HAPPENED. IT ALSO HAPPENS WHILE PARKED IN DRIVEWAY AND JUST WARMING UP TRUCK . THANK YOU, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10953991

44,000 miles · Aug 22, 2016
Fuel/propulsion System

TL* THE CONTACT OWNS A 2011 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE VEHICLE LEAKED FUEL FROM THE BOTTOM OF THE FUEL TANK. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL PUMP LINE FRACTURED AND CAUSED THE FUEL LEAK. THE FUEL PUMP WAS REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS …

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TL* THE CONTACT OWNS A 2011 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THE VEHICLE LEAKED FUEL FROM THE BOTTOM OF THE FUEL TANK. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE FUEL PUMP LINE FRACTURED AND CAUSED THE FUEL LEAK. THE FUEL PUMP WAS REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE VIN WAS UNKNOWN. THE APPROXIMATE FAILURE MILEAGE WAS 44,000.

NHTSA ODI #10897618

Mileage unknown · Aug 10, 2016
Air BagsFuel/propulsion System

TL* TAKATA RECALL. THE CONTACT OWNS A 2011 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THERE WAS A PRESENCE OF A FUEL LEAK FROM THE TOP OF THE FUEL TANK. THE DEALER WAS NOTIFIED OF THE FAILURE. THE CONTACT LATER RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V381000 (AIR BAGS), BUT THE PARTS WERE NOT AVAILABLE. THE FAIL…

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TL* TAKATA RECALL. THE CONTACT OWNS A 2011 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT THERE WAS A PRESENCE OF A FUEL LEAK FROM THE TOP OF THE FUEL TANK. THE DEALER WAS NOTIFIED OF THE FAILURE. THE CONTACT LATER RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V381000 (AIR BAGS), BUT THE PARTS WERE NOT AVAILABLE. THE FAILURE MILEAGE WAS NOT AVAILABLE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.

NHTSA ODI #10894803

Official recalls

4

21V050000 · Air Bags:frontal:passenger Side:inflator Module

Feb 5, 2021

General Motors, LLC (GM) is recalling certain 2007-2011 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, Yukon XL, and 2009-2011 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500 and Sierra 3500 vehicles originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." Additionally, GM is recalling certain 2007-2008 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, Yukon XL vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.

Consequence & remedy

Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.

Remedy: GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 22, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed on March 1, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328760.

21V054000 · Air Bags:frontal:passenger Side:inflator Module

Feb 5, 2021

General Motors, LLC (GM) is recalling certain 2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of AL, CA, FL, GA, HI, LA, MS, SC, TX, PR, AS, GU, the MP, and VI or "Zone A." Additionally GM is recalling certain 2011-2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, Yukon XL and 2011-2013 Cadillac Escalade EXT, Chevrolet Avalanche, Silverado 1500, and GMC Sierra 1500 vehicles originally sold, or ever registered, in the states of AZ, AR, DE, DC, IL, IN, KS, KY, MD, MO, NE, NV, NJ, NM, NC, OH, OK, PA, TN, VA, and WV or "Zone B." Additionally, GM is recalling certain 2010-2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, and Yukon XL and 2010-2013 Cadillac Escalade EXT, Chevrolet Avalanche, Silverado 1500, and GMC Sierra 1500 vehicles originally sold, or ever registered, in the states of AK, CO, CT, ID, IA, ME, MA, MI, MN, MT, NH, NY, ND, OR, RI, SD, UT, VT, WA, WI, and WY or "Zone C." These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.

Consequence & remedy

Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.

Remedy: GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 25, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed to 40 VIN owners on May 11, 2021. A second owner notification letter was mailed to all other owners on January 24, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328800.

11V007000 · Suspension:rear:axle:spindle

Jan 6, 2011

GENERAL MOTORS IS RECALLING CERTAIN MODEL YEAR 2011 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, COLORADO, EXPRESS, SILVERADO, SUBURBAN, TAHOE; AND GMC CANYON, SIERRA, SAVANA, YUKON AND YUKON XL VEHICLES. THE REAR AXLE CROSS PINS WERE NOT PROPERLY HEAT TREATED AND COULD FRACTURE AND BECOME DISPLACED WITHIN THE REAR AXLE. SHOULD THE PIN SHIFT OUT OF POSITION, IT COULD CREATE AN INTERFERENCE CONDITION AND CAUSE THE REAR AXLE TO LOCK.

Consequence & remedy

Consequence: THE DRIVER MAY NOT BE ABLE TO MAINTAIN DIRECTIONAL CONTROL OF THE VEHICLE AND A CRASH COULD OCCUR WITHOUT WARNING.

Remedy: DEALERS WILL INSTALL A NEW REAR AXLE CROSS PIN FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JANUARY 11, 2011. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463 AND AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.

10V643000 · Suspension:rear:axle:spindle

Dec 17, 2010

GENERAL MOTORS IS RECALLING CERTAIN MODEL YEAR 2011 CADILLAC ESCALADE EXT, CHEVROLET AVALANCHE, SILVERADO LD AND GMC SIERRA LD VEHICLES. THE REAR AXLE CROSS PINS WERE NOT PROPERLY HEAT TREATED AND COULD FRACTURE AND BECOME DISPLACED WITHIN THE REAR AXLE. SHOULD THE PIN SHIFT OUT OF POSITION, IT COULD CREATE AN INTERFERENCE CONDITION AND CAUSE THE REAR AXLE TO LOCK.

Consequence & remedy

Consequence: THE DRIVER MAY NOT BE ABLE TO MAINTAIN DIRECTIONAL CONTROL OF THE VEHICLE AND A CRASH COULD OCCUR WITHOUT WARNING.

Remedy: DEALERS WILL INSTALL A NEW REAR AXLE CROSS PIN FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JANUARY 11, 2011. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463 AND AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.

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

2

DP22005 · Pedestrian Alert Sounds

Opened Jan 27, 2023 · Closed Aug 7, 2023

Status: closed (inferred from source dates) · Electrical System:propulsion System

NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.

EA21002 · Desiccated Air Bag Inflator Rupture

Opened Sep 17, 2021 · No close date supplied

Status: open (inferred from source dates) · Air Bags:frontal:driver Side:inflator Module; Air Bags:frontal:passenger Side:inflator Module

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.

Additional source detail variants (2)

Air Bags:frontal:driver Side:inflator Module

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.

Air Bags:frontal:passenger Side:inflator Module

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.