NHTSA owner reports · September 18, 2026 snapshot.
Structure complaints
14 reportsClear category filter203,000 miles · Dec 29, 2025
Air BagsPower TrainStructureInjury
The contact owns a 2008 Dodge Nitro. The contact stated that while the son was driving approximately 5 MPH, the front drive shaft fractured, causing the vehicle to abruptly stop, and the front driver's side and passenger's side airbags erroneously deployed. The contact stated that there was no collision during the incident. The…
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The contact owns a 2008 Dodge Nitro. The contact stated that while the son was driving approximately 5 MPH, the front drive shaft fractured, causing the vehicle to abruptly stop, and the front driver's side and passenger's side airbags erroneously deployed. The contact stated that there was no collision during the incident. The contact's son sustained a concussion and facial injuries, causing severe swelling to the face and severe headaches. No medical treatment was received, but the son remained bed ridden for several days from the injuries sustained during the air bag deployment. The cause of the failures were not determined. The manufacturer and the local dealer were notified of the failures. The contact was informed of NHTSA Campaign Number: 13V121000(Power Train, Air Bags, Structure), which the contact's son related to the failure. The failure mileage was 203,000.
NHTSA ODI #11707455
134,024 miles · Mar 28, 2021
Air BagsSeat BeltsStructureCrashInjury
ON 2/11/2021 ME AN MY MOM WAS HEAD TO DOCTOR AT 445AM AND IT WAS JUST RAINING COLD AND WE HIT A PATCH OF ICE GOING 20 MILES AND HOUR AND I LOST CONTROL AND WE WENT ROLLING 3 TIMES AND AIR. BAGS DID NOT DEPLOY AND THE SEAT BELT RESTRIORS DIDNT RESTRICT AS WE WAS ROLLING SOME TIME IN PROCESS MY HEAD HIT WINDSHIELD AND GOT KNO…
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ON 2/11/2021 ME AN MY MOM WAS HEAD TO DOCTOR AT 445AM AND IT WAS JUST RAINING COLD AND WE HIT A PATCH OF ICE GOING 20 MILES AND HOUR AND I LOST CONTROL AND WE WENT ROLLING 3 TIMES AND AIR. BAGS DID NOT DEPLOY AND THE SEAT BELT RESTRIORS DIDNT RESTRICT AS WE WAS ROLLING SOME TIME IN PROCESS MY HEAD HIT WINDSHIELD AND GOT KNOCKED OUT IT WAS ON A HWY MOVING THEIR WAS NO ONE ON THE ROAD BUT US.. IT WOUNT LET ME UP LOAD MY PICTURES I HAVE BUT WILL BE GLADE TO MAIL THEM TO U WAITING ON POLICE REPORT HE PUT WRONG INFORMATION ABOUT ME ON FOR SO IT NEEDTO BE FIXED.*DT
NHTSA ODI #11405233
120,000 miles · May 4, 2017
Electrical SystemStructure
TL* THE CONTACT OWNS A 2008 DODGE NITRO. WHILE THE VEHICLE WAS PARKED OR BEING DRIVEN THE POWER DOOR LOCKS FAILED TO LOCK OR OPEN THE DOORS WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE TOTALLY INTEGRATED POWER MODULE FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE …
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TL* THE CONTACT OWNS A 2008 DODGE NITRO. WHILE THE VEHICLE WAS PARKED OR BEING DRIVEN THE POWER DOOR LOCKS FAILED TO LOCK OR OPEN THE DOORS WITHOUT WARNING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE TOTALLY INTEGRATED POWER MODULE FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 120,000. UPDATED 06/23/17*LJ
NHTSA ODI #10983584
48,000 miles · Jun 2, 2015
Power TrainStructureUnknown Or Other
DRIVING DOWN ROAD WHEN ALL OF A SUDDEN HEARD HERENDOUS SQUEALING NOISE SO LOUD COULDN'T STAY INSIDE VEHICLE WHILE MOVING. UPON EXAMINATION I DISCOVERED A HEAT SHIELD HAD FALLEN AGAINST AND WRAPPED ITSELF AROUND THE DRIVE SHAFT. I NOW KNOW THE ALUMINUM PIECE TO BE THE HEAT SHIELD FROM THE TRANSFER CASE. THIS SHIELD IS ONE INVOLVE…
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DRIVING DOWN ROAD WHEN ALL OF A SUDDEN HEARD HERENDOUS SQUEALING NOISE SO LOUD COULDN'T STAY INSIDE VEHICLE WHILE MOVING. UPON EXAMINATION I DISCOVERED A HEAT SHIELD HAD FALLEN AGAINST AND WRAPPED ITSELF AROUND THE DRIVE SHAFT. I NOW KNOW THE ALUMINUM PIECE TO BE THE HEAT SHIELD FROM THE TRANSFER CASE. THIS SHIELD IS ONE INVOLVED FOR RECALLS OF SAME YEAR MAKE AND MODEL TWO WHEEL DRIVE. MY DODGE NITRO 2008 IS A 4X4 MODEL NOT INCLUDED IN SAID RECALL. MY QUESTION TO THE GOVERNMENT AS WELL AS CHRYSLER IS ONE OF WHY NOT??? FIX MY VEHICLE SAFETY HAZARD TOO...
NHTSA ODI #10723060
94,471 miles · Mar 24, 2015
Structure
TL* THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT STATED THAT THE REAR LIFTGATE FAILED TO LOCK WITH THE KEY FOB WHILE CLOSED. IN ADDITION, THE CONTACT STATED THAT WHEN THE KEY FOB DOOR LOCK WAS ENGAGED AND THE LIFT GATE WAS OPEN, THE LOCK LATCHED AND FAILED TO UNLATCH TO CLOSE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE M…
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TL* THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT STATED THAT THE REAR LIFTGATE FAILED TO LOCK WITH THE KEY FOB WHILE CLOSED. IN ADDITION, THE CONTACT STATED THAT WHEN THE KEY FOB DOOR LOCK WAS ENGAGED AND THE LIFT GATE WAS OPEN, THE LOCK LATCHED AND FAILED TO UNLATCH TO CLOSE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 94,471.
NHTSA ODI #10701382
91,000 miles · Jan 7, 2015
Structure
TL- THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT STATED THAT THE AUTOMATIC DOOR LOCKS FAILED. THE CONTACT ALSO STATED THAT THE REAR DRIVER SIDE, REAR PASSENGER SIDE AND THE FRONT PASSENGER SIDE DOOR FAILED TO OPEN FROM THE EXTERIOR. IN ADDITION, THE REAR LIFT GATE FAILED TO OPEN. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT …
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TL- THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT STATED THAT THE AUTOMATIC DOOR LOCKS FAILED. THE CONTACT ALSO STATED THAT THE REAR DRIVER SIDE, REAR PASSENGER SIDE AND THE FRONT PASSENGER SIDE DOOR FAILED TO OPEN FROM THE EXTERIOR. IN ADDITION, THE REAR LIFT GATE FAILED TO OPEN. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE DOOR MODULE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 91,000. DJR
NHTSA ODI #10670661
30,000 miles · Apr 21, 2014
Air BagsStructureCrashInjury
I WAS DRIVING ON A STREET WHERE I HAD NO STOP SIGNS OR STOP LIGHTS AND AT THE CROSS STREET, I WAS HIT (T-BONE) BY SOMEONE . THE PERSON HAD JUST BEEN AT THE STOP SIGN BUT DID NOT SEE THAT I WAS PASSING BY AS I HAD NO STOP SIGN. THEIR CAR COLLIDED WITH MINE ON THE DRIVER / LEFT PASSENGER SIDE. THE AIRBAGS NEVER DEPLOYED. THE CAR…
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I WAS DRIVING ON A STREET WHERE I HAD NO STOP SIGNS OR STOP LIGHTS AND AT THE CROSS STREET, I WAS HIT (T-BONE) BY SOMEONE . THE PERSON HAD JUST BEEN AT THE STOP SIGN BUT DID NOT SEE THAT I WAS PASSING BY AS I HAD NO STOP SIGN. THEIR CAR COLLIDED WITH MINE ON THE DRIVER / LEFT PASSENGER SIDE. THE AIRBAGS NEVER DEPLOYED. THE CAR SHUT OFF AND I WAS UNABLE TO TURN IN ON TO MOVE IT. THE DRIVER SIDE DOOR WAS JAMMED SHUT. THE CAR WAS IN THE SHOP FOR OVER 30 DAYS DUE TO THE DAMAGE. *TR
NHTSA ODI #10584042
Mileage unknown · Aug 28, 2013
Air BagsPower TrainStructure
TL* THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 30 MPH, AN UNUSUAL NOISE EMITTED FROM UNDERNEATH THE VEHICLE. THERE WAS A RECALL ASSOCIATED WITH NHTSA CAMPAIGN ID NUMBER 13V121000 (AIR BAGS , POWER TRAIN , STRUCTURE) AND THE PART WAS UNAVAILABLE. THE DEALER WAS UNABLE TO PROVIDE AN EXPECTE…
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TL* THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 30 MPH, AN UNUSUAL NOISE EMITTED FROM UNDERNEATH THE VEHICLE. THERE WAS A RECALL ASSOCIATED WITH NHTSA CAMPAIGN ID NUMBER 13V121000 (AIR BAGS , POWER TRAIN , STRUCTURE) AND THE PART WAS UNAVAILABLE. THE DEALER WAS UNABLE TO PROVIDE AN EXPECTED DATE FOR THE REMEDY PART TO BECOME AVAILABLE. THE VEHICLE HAD NOT BEEN DIAGNOSED. THE MANUFACTURER WAS NOT NOTIFIED OF THE PROBLEM. THE FAILURE MILEAGE WAS UNAVAILABLE.
NHTSA ODI #10537765
76,325 miles · Jun 6, 2013
Exterior LightingStructureVisibility
TL* THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT STATED THAT THE FRONT DRIVER'S SIDE POWER WINDOW SWITCH FAILED. IN ADDITION, THE FRONT DRIVER'S SIDE INTERIOR DOOR HANDLE WAS FRACTURED. THE CONTACT WAS UNABLE TO OPEN THE DOOR FROM INSIDE THE VEHICLE. THE FRONT PASSENGER SIDE LOW BEAM HEADLIGHT AND THE DRIVER'S SIDE BRAKE LIG…
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TL* THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT STATED THAT THE FRONT DRIVER'S SIDE POWER WINDOW SWITCH FAILED. IN ADDITION, THE FRONT DRIVER'S SIDE INTERIOR DOOR HANDLE WAS FRACTURED. THE CONTACT WAS UNABLE TO OPEN THE DOOR FROM INSIDE THE VEHICLE. THE FRONT PASSENGER SIDE LOW BEAM HEADLIGHT AND THE DRIVER'S SIDE BRAKE LIGHT ALSO FAILED. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR INSPECTION. THE VEHICLE WAS NOT REPAIRED. THE FAILURE WAS REPORTED TO THE MANUFACTURER WHO REFUSED TO OFFER ANY ASSISTANCE. THE FAILURE MILEAGE WAS 76,325. THE CURRENT MILEAGE WAS 76,359.
NHTSA ODI #10515453
51,000 miles · Sep 10, 2012
Electrical SystemStructureFire
TL* THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT WAS ATTEMPTING TO REVERSE AND WHEN THE BACK-UP ASSIST SYSTEM HAPHAZARDLY ALERTED THAT THERE WAS AN OBJECT BEHIND THE VEHICLE. THE CONTACT STATED THAT THERE WERE NO OBJECTS OR PERSONS BEHIND THE VEHICLE. THE CONTACT INSPECTED THE VEHICLE AND NOTICED THAT ONE OF THE BACK-UP SEN…
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TL* THE CONTACT OWNS A 2008 DODGE NITRO. THE CONTACT WAS ATTEMPTING TO REVERSE AND WHEN THE BACK-UP ASSIST SYSTEM HAPHAZARDLY ALERTED THAT THERE WAS AN OBJECT BEHIND THE VEHICLE. THE CONTACT STATED THAT THERE WERE NO OBJECTS OR PERSONS BEHIND THE VEHICLE. THE CONTACT INSPECTED THE VEHICLE AND NOTICED THAT ONE OF THE BACK-UP SENSORS WAS PUSHED INWARD AND THE PLASTIC BETWEEN THE BUMPER WAS MELTED. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING WHERE THE TECHNICIAN ADVISED THAT THE EXHAUST PIPE WAS RUSTED AND FRACTURED. THE TECHNICIAN ALSO STATED THAT THE EXHAUST PIPE, BUMPER AND BACK UP SENSOR WOULD HAVE TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 51,000.
NHTSA ODI #10474472
Official recalls
3Jul 7, 2020
Chrysler (FCA US LLC) is recalling certain 2008-2010 Chrysler Town and Country and Dodge Grand Caravan and 2007-2011 Dodge Nitro vehicles. These vehicles may have a loose or missing brand emblem in the center of the steering wheel. The loose emblem or the securing nuts for the emblem within the driver air bag module may become projectiles in the event of a driver air bag deployment.
Consequence & remedy
Consequence: Projectiles as a result of driver air bag deployment in the event of a crash can increase the risk of injury.
Remedy: Chrysler will notify owners, and dealers will replace the driver's air bag cover with a redesigned cover, free of charge. The recall began February 11, 2021. Owners may contact FCA US LLC customer service at 1-800-853-1403. Chrysler's number for this recall is W09.
Additional source detail variants (2)
Air Bags:frontal:driver Side:inflator Module
Chrysler (FCA US LLC) is recalling certain 2008-2010 Chrysler Town and Country and Dodge Grand Caravan and 2007-2011 Dodge Nitro vehicles. These vehicles may have a loose or missing brand emblem in the center of the steering wheel. The loose emblem or the securing nuts for the emblem within the driver air bag module may become projectiles in the event of a driver air bag deployment.
Consequence: Projectiles as a result of driver air bag deployment in the event of a crash can increase the risk of injury.
Remedy: Chrysler will notify owners, and dealers will replace the driver's air bag cover with a redesigned cover, free of charge. The recall began February 11, 2021. Owners may contact FCA US LLC customer service at 1-800-853-1403. Chrysler's number for this recall is W09.
Steering: Steering Wheel/handle Bar
Chrysler (FCA US LLC) is recalling certain 2008-2010 Chrysler Town and Country and Dodge Grand Caravan and 2007-2011 Dodge Nitro vehicles. These vehicles may have a loose or missing brand emblem in the center of the steering wheel. The loose emblem or the securing nuts for the emblem within the driver air bag module may become projectiles in the event of a driver air bag deployment.
Consequence: Projectiles as a result of driver air bag deployment in the event of a crash can increase the risk of injury.
Remedy: Chrysler will notify owners, and dealers will replace the driver's air bag cover with a redesigned cover, free of charge. The recall began February 11, 2021. Owners may contact FCA US LLC customer service at 1-800-853-1403. Chrysler's number for this recall is W09.
Apr 3, 2013
Chrysler Group LLC (Chrysler) is recalling certain model year 2007-2008 Dodge Nitro 4X2 vehicles manufactured March 21, 2006, through March 1, 2008; and 2008 Jeep Liberty 4X2 vehicles manufactured February 15, 2007, through March 1, 2008. The transfer case heat shield may drop down and rub on the drive shaft, weakening it and potentially causing the drive shaft to break.
Consequence & remedy
Consequence: If the drive shaft breaks, a section of it can strike the transfer case tunnel with enough force that the airbag computer will believe the vehicle is in a crash and thus deploy the airbags. Additionally, the drive shaft failure will result in a loss of motive power. Either condition may increase the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will add a bracket to support the rear of the heat shield, free of charge. An interim letter was mailed to owners on May 29, 2013. Owners may contact Chrysler at 1-800-247-9753. Chrysler's recall campaign number is N10.
Additional source detail variants (3)
Structure
Chrysler Group LLC (Chrysler) is recalling certain model year 2007-2008 Dodge Nitro 4X2 vehicles manufactured March 21, 2006, through March 1, 2008; and 2008 Jeep Liberty 4X2 vehicles manufactured February 15, 2007, through March 1, 2008. The transfer case heat shield may drop down and rub on the drive shaft, weakening it and potentially causing the drive shaft to break.
Consequence: If the drive shaft breaks, a section of it can strike the transfer case tunnel with enough force that the airbag computer will believe the vehicle is in a crash and thus deploy the airbags. Additionally, the drive shaft failure will result in a loss of motive power. Either condition may increase the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will add a bracket to support the rear of the heat shield, free of charge. An interim letter was mailed to owners on May 29, 2013. Owners may contact Chrysler at 1-800-247-9753. Chrysler's recall campaign number is N10.
Air Bags
Chrysler Group LLC (Chrysler) is recalling certain model year 2007-2008 Dodge Nitro 4X2 vehicles manufactured March 21, 2006, through March 1, 2008; and 2008 Jeep Liberty 4X2 vehicles manufactured February 15, 2007, through March 1, 2008. The transfer case heat shield may drop down and rub on the drive shaft, weakening it and potentially causing the drive shaft to break.
Consequence: If the drive shaft breaks, a section of it can strike the transfer case tunnel with enough force that the airbag computer will believe the vehicle is in a crash and thus deploy the airbags. Additionally, the drive shaft failure will result in a loss of motive power. Either condition may increase the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will add a bracket to support the rear of the heat shield, free of charge. An interim letter was mailed to owners on May 29, 2013. Owners may contact Chrysler at 1-800-247-9753. Chrysler's recall campaign number is N10.
Power Train:driveline:driveshaft
Chrysler Group LLC (Chrysler) is recalling certain model year 2007-2008 Dodge Nitro 4X2 vehicles manufactured March 21, 2006, through March 1, 2008; and 2008 Jeep Liberty 4X2 vehicles manufactured February 15, 2007, through March 1, 2008. The transfer case heat shield may drop down and rub on the drive shaft, weakening it and potentially causing the drive shaft to break.
Consequence: If the drive shaft breaks, a section of it can strike the transfer case tunnel with enough force that the airbag computer will believe the vehicle is in a crash and thus deploy the airbags. Additionally, the drive shaft failure will result in a loss of motive power. Either condition may increase the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will add a bracket to support the rear of the heat shield, free of charge. An interim letter was mailed to owners on May 29, 2013. Owners may contact Chrysler at 1-800-247-9753. Chrysler's recall campaign number is N10.
Oct 8, 2008
CHRYSLER IS RECALLING 3,663 MY 2007-2008 DODGE NITRO AND MY 2008 JEEP LIBERTY VEHICLES EQUIPPED WITH MANUAL TRANSMISSIONS. THE PARK BRAKE LEVER CLUTCH DRUM MAY DISTORT AND REDUCE THE EFFECTIVENESS OF THE PARK BRAKE SYSTEM.
Consequence & remedy
Consequence: THIS COULD ALLOW THE VEHICLE TO MOVE INADVERTENTLY AND CAUSE A CRASH WITHOUT WARNING.
Remedy: DEALERS WILL REPLACE THE PARK BRAKE LEVER ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 27, 2008. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.
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
1DP14004 · Totally Integrated Power Module Failure
Opened Sep 25, 2014 · Closed Jul 24, 2015
Status: closed (inferred from source dates) · Electrical System
In a letter dated August 21, 2014, the Center for Auto Safety (CAS) petitioned the National Highway Traffic Safety Administration (NHTSA) to initiate a defect investigation of alleged failures associated with the Totally Integrated Power Module (TIPM) installed in Chrysler SUV?s, trucks, and vans beginning in the 2007 model year. The petitioner alleges that TIPM defects may result in engine stall, airbag non-deployment, failure of fuel pump shutoff resulting in unintended acceleration, fire, and other symptoms. On September 25, 2014, the Office of Defects Investigation (ODI) opened DP14-004 to evaluate the petition for a grant or deny decision. ODI analyzed complaint data provided by CAS as well as complaints submitted to ODI from consumers. In total, there were 296 complaints submitted by the petitioner in the original petition and five supplements, including 271 complaints related to the subject vehicles equipped with TIPM-7. Approximately 3 percent of CAS complaints are related to vehicles equipped with TIPM-6 and ODI?s review of these complaints did not identify any safety defect trends. ODI conducted a detailed review of complaints narratives submitted by CAS and consumers including careful analysis of vehicle repair histories, warranty claims obtained from the manufacturer and any available Customer Assistance Inquiry reports (CAIR). Analysis of the field data indicated that MY2011-2013 Jeep Grand Cherokee and Dodge Durango vehicles exhibited significantly higher complaint rates related to fuel pump relay (FPR) failures than other subject vehicles. In a September 3, 2014 letter to NHTSA, Chrysler submitted a Defect Information Report (DIR) identifying a defect in the FPR within the TIPM-7 which can result in a no start or stall condition in approximately 188,723 model year (MY) 2011 Jeep Grand Cherokee (WK) and Dodge Durango (WD) vehicles manufactured from January 5, 2010 through July 20, 2011 (14V-530).In a February 24, 2015 letter, Chrysler submitted a second DIR expanding the scope of the FPR defect condition to include an additional 338,216 MY 2012 through 2013 Jeep Grand Cherokee vehicles manufactured from September 17, 2010 through August 19, 2013 and MY 2012 through 2013 Dodge Durango vehicles manufactured from January 18, 2011 through August 19, 2013 (15V-115).ODI analysis of the CAS allegations of TIPM defects resulting in stall while driving, airbag non-deployment, unintended acceleration, fire and other faults identified a single defect condition related to 1 of over 60 different circuits in the TIPM assembly. The most common effect of this defect condition, related to the fuel pump relay, was a no-start concern, but it could also result in stall while driving (76 complaints). No valid evidence was presented in support of claims related to airbag non-deployment, unintended acceleration or fire resulting from TIPM faults and these claims were found to be wholly without merit based on review of the field data and design of the relevant systems and components.Except insofar as the petitioner's contentions relate to the defect condition addressed by the Chrysler recalls, the factual bases of the petitioner's contentions that any further investigation is necessary are unsupported. In our view, additional investigation is unlikely to result in a finding that a defect related to motor vehicle safety exists or a NHTSA order for the notification and remedy of a safety-related defect as alleged by the petitioner at the conclusion of the requested investigation. Therefore, in view of the need to allocate and prioritize NHTSA's limited resources to best accomplish the agency's safety mission, the petition is den