NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
585 reportsClear category filter140,000 miles · Jul 4, 2013
Engine And Engine CoolingPower Train
I WAS DRIVING ON A HIGHWAY BACK FROM GETTING GROCERIES IN A TOWN 45 MILES FROM ME. ALL OF A SUDDEN THE CAR STARTED REVVING. I TOOK IT OFF OF CRUISE CONTROL AND TRIED PRESSING ON THE GAS. NOTHING HAPPENED. I PULLED OFF TO THE SIDE OF THE ROAD AND CALLED A TOW TRUCK. AFTER SEVERAL HOURS SITTING ON THE SIDE OF THE ROAD IN THE DARK …
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I WAS DRIVING ON A HIGHWAY BACK FROM GETTING GROCERIES IN A TOWN 45 MILES FROM ME. ALL OF A SUDDEN THE CAR STARTED REVVING. I TOOK IT OFF OF CRUISE CONTROL AND TRIED PRESSING ON THE GAS. NOTHING HAPPENED. I PULLED OFF TO THE SIDE OF THE ROAD AND CALLED A TOW TRUCK. AFTER SEVERAL HOURS SITTING ON THE SIDE OF THE ROAD IN THE DARK AND BY MYSELF, I GOT IT TOWED BACK TO MY TOWN, 35 MILES AWAY. I FOUND OUT THAT THE TRANSMISSION HAD GONE OUT. I TOOK IT TO A TRANSMISSION SHOP AND THEY TOLD ME THAT IT WAS THE COOLING SYSTEM HAD LEAKED INTO MY TRANSMISSION AND FIRED THE TCM. IT WILL COST ME $4600.00 TO FIX IT. I FOUND OUT THAT THERE IS A RECALL ON THIS PROBLEM AFTER THE FACT OF IT HAPPENING AND NOW THEY REFUSE TO FIX THEIR MISTAKE. THEY WILL COVER UP TO 80000 MILES FOR THE RECALL AND UP TO 100000 MILES WITH A DEDUCTIBLE OF $2500.00. AND NOTHING AFTER 100000. WHY DID THEY NOT INFORM US OF THIS PROBLEM? DOES ANYONE HAVE A LAW SUIT GOING ON THIS? *TR
NHTSA ODI #10523151
139,257 miles · Jul 3, 2013
Engine And Engine CoolingPower Train
FAILED TRANSMISSION FLUID COOLER LOCATED IN THE RADIATOR ASSEMBLY THAT ALLOWED COOLANT TO MIX WITH AND CONTAMINATE THE AUTOMATIC TRANSMISSION FLUID, RESULTING IN DAMAGED INTERNAL TRANSMISSION COMPONENTS AND A DAMAGED INTERNAL TRANSMISSION COMPUTER. *TR
NHTSA ODI #10523103
89,000 miles · Jul 2, 2013
Engine And Engine CoolingPower Train
MY COOLANT IS LEAKING INTO MY TRANSMISSION AND ITS ON ITS LAST LEG..OIL PRESSURE GAUGE IS BROKEN ALONG WITH FUEL INDICATOR AND MANY OTHER PROBLEMS. *TR
NHTSA ODI #10522953
86,344 miles · Jul 1, 2013
Power TrainSeatsCrash
THE NISSAN PATHFINDER COMPLETE SHUT DOWN DOWN AND THEN WOULD NOT GO INTO REVERSE. I RESTARTED THE VEHICLE AND THE SLIP LIGHT WAS ON--THE CAR WOULD NOT GO INTO REVERSE. I THEN PARKED THE CAR AND RETURNED NEXT MORNING AND THE CAR ELECTRONICS APPARENTLY RESET (APPARENTLY) AND THE CAR WOULD GO INTO REVERSE. AFTER DRIVING FOR 10 K…
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THE NISSAN PATHFINDER COMPLETE SHUT DOWN DOWN AND THEN WOULD NOT GO INTO REVERSE. I RESTARTED THE VEHICLE AND THE SLIP LIGHT WAS ON--THE CAR WOULD NOT GO INTO REVERSE. I THEN PARKED THE CAR AND RETURNED NEXT MORNING AND THE CAR ELECTRONICS APPARENTLY RESET (APPARENTLY) AND THE CAR WOULD GO INTO REVERSE. AFTER DRIVING FOR 10 KM, THE SLIP LIGHT CAME ON AND I DROVE IT PROMPTLY INTO NISSAN REPAIR (OVERSEAS). THE REPAIR CENTER INFORMS ME TO NOT DRIVE THE CAR--POSSIBLE DAMAGE TO THE TRANSMISSION AND THAT WE NEED TO GET A PART CALLED VALVE ASSEMBLY 31705EA30A; I MUST HAVE THIS SHIPPED, AND COST FOR REPAIR LABOR IS $1,000 LARIE (667.00 USD). THE ISSUE IS THAT THE CAR DIED OUT AS I WAS ENTERING INTO A PARKING LOT AND A CAR HIT ME IN THE REAR--LUCKILY I WAS NOT ON A HIGHWAY WHEN THIS HAPPENED. I HAVE MINOR REAR BUMPER DAMAGE>APPROXIMATELY 200 USD; I WOULD HAVE BEEN SERIOUSLY INJURED AS WELL AS MY WIFE, IF THIS HAD HAPPENED ON THE HIGHWAY OR IN MAJOR TRAFFIC FLOW. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10522541
82,000 miles · Jun 30, 2013
EnginePower Train
THE RADIATOR IS CRACKED AND HAS LEAKED FLUID INTO TRANSMISSION. *TR
NHTSA ODI #10522506
90,000 miles · Jun 25, 2013
Engine And Engine CoolingPower Train
TL* THE CONTACT OWNS A 2005 NISSAN PATHFINDER. THE CONTACT STATED THAT THE TRANSMISSION FAILED. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND IT WAS DETERMINED THAT THE COOLANT FROM THE RADIATOR LEAKED INTO THE TRANSMISSION AND CAUSED THE TRANSMISSION TO FAIL. THE TRANSMISSION WOULD NEED TO BE REPLACED. THE FAILURE AND THE CURR…
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TL* THE CONTACT OWNS A 2005 NISSAN PATHFINDER. THE CONTACT STATED THAT THE TRANSMISSION FAILED. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND IT WAS DETERMINED THAT THE COOLANT FROM THE RADIATOR LEAKED INTO THE TRANSMISSION AND CAUSED THE TRANSMISSION TO FAIL. THE TRANSMISSION WOULD NEED TO BE REPLACED. THE FAILURE AND THE CURRENT MILEAGES WERE 90,000. *TR
NHTSA ODI #10521707
54,600 miles · Jun 21, 2013
Engine And Engine CoolingFuel System, GasolinePower Train
MY WIFE OBSERVED ISSUE WITH GAS OR BRAKES FOR LAST COUPLE MONTHS. I THOUGHT IT WAS BRAKES AND I HAD JUST BLEED AND REPLACED FLUID WHICH HELPED. ON 6/20/13 I MADE LEFT TURN ON MY HOME STREET AND TRANSMISSION DID NOT RESPOND. I WAS STUCK IN MIDDLE OF ROAD AND LUCKILY NO CARS WERE APPROACHING. AT FIRST I THOUGHT CAR STALLED AND…
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MY WIFE OBSERVED ISSUE WITH GAS OR BRAKES FOR LAST COUPLE MONTHS. I THOUGHT IT WAS BRAKES AND I HAD JUST BLEED AND REPLACED FLUID WHICH HELPED. ON 6/20/13 I MADE LEFT TURN ON MY HOME STREET AND TRANSMISSION DID NOT RESPOND. I WAS STUCK IN MIDDLE OF ROAD AND LUCKILY NO CARS WERE APPROACHING. AT FIRST I THOUGHT CAR STALLED AND TRIED TO RESTART BUT REALIZED THE ENGINE WAS STILL RUNNING. AT THAT MOMENT I KNEW WHAT IT WAS (FAILED TRANSMISSION FROM CROSS CONTAMINATION). I DROVE DIRECTLY TO RELIABLE NISSAN IN ALBUQUERQUE WHERE THEY VERIFIED THE BAD NEWS. THIS REALLY PROVES THIS IS A MANUFACTURING DEFECT. MY CAR HAS ALL PROPER MAINTENANCE AND ONLY HAS 54600 MILES. I AM THE ORIGINAL OWNER. THE VEHICLE LOOKS BRAND NEW. I HAD JUST TALKED TO BOTH SERVICE MANAGERS FROM BOTH THE LOCAL DEALERS ABOUT MY FEARS ABOUT THIS POSSIBLY HAPPENING. EVEN HAD THEM CHECK AND THEY SAID THE RADIATOR WAS OK. I AM ONLY 50 DAYS PAST MY 8 YEARS AND WITH ONLY 54600 MILES NISSAN REFUSES TO PROVIDE ANY GOOD WILL. I AM STILL STUCK PAYING 2500 DOLLARS. NISSAN KEEPS INSISTING THIS IS NOT A SAFETY ISSUE. LOOSING PROPULSION IS A SAFETY ISSUE. EVEN IN DRIVING SCHOOL I WAS TRAINED THAT POWER, CAN AVOID A POSSIBLE DISASTER JUST AS WELL AS BRAKES. THIS IS FACT. TOO MANY CLOSE CALLS REPORTED ON THIS ISSUE AND ITS SAD THAT OUR GOVERNMENT ONLY ACTS WHEN CARS EXPLODE AND PEOPLE DIE. I HAVE NOTICED THAT THIS ISSUE IS INCREASING EXPONENTIALLY PUTTING THE RISK OF DEATH AND INJURY A MORE PROBABLE OUTCOME. FROM LAST FEBRUARY ALMOST 29 PERCENT MORE CASES REPORTED IN JUST 4 MONTHS. I WORKED WITH MY DEALERS TRYING TO AVOID THIS. DID ALL THE TRANS OIL CHANGES, RADIATOR FLUSHES AND ASKED IF I COULD DO ANYTHING TO AVOID THIS DISASTER AND ALSO HAD THEM INSPECT MY RADIATOR JUST A FEW MONTHS BACK. AND YET, MY BRAND NEW LOOKING, METICULOUSLY MAINTAINED PATHFINDER NEEDS A NEW TRANSMISSION AND RADIATOR. *TR
NHTSA ODI #10521009
143,000 miles · Jun 20, 2013
Engine And Engine CoolingFuel System, GasolinePower Train
I JUST BOUGHT THIS CAR, AND HAD A PROBLEM WITH TRANSMISSION TO BEGIN WITH, FOLLOWING WITH THE FUEL LEVEL SENSOR (JUST STARTED), I HAD TO REPLACE THE TRANSMISSION, RADIATOR, NOW I HAVE TO REPLACE THE FUEL SENSOR, AND 2 DAYS AGO THE PLASTIC HEATER RECEIVER THAT IS LOCATED IN FIREWALL OF CAR HAD MELTED, AND ALL ANTI-FREEZE HAD GONE…
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I JUST BOUGHT THIS CAR, AND HAD A PROBLEM WITH TRANSMISSION TO BEGIN WITH, FOLLOWING WITH THE FUEL LEVEL SENSOR (JUST STARTED), I HAD TO REPLACE THE TRANSMISSION, RADIATOR, NOW I HAVE TO REPLACE THE FUEL SENSOR, AND 2 DAYS AGO THE PLASTIC HEATER RECEIVER THAT IS LOCATED IN FIREWALL OF CAR HAD MELTED, AND ALL ANTI-FREEZE HAD GONE AND THE MOTOR GOT OVERHEATED (WHY PLASTIC MADE?, INSTEAD OF BRASS???), SO THE DEALER SAID THAT I HAD TO REPLACE THE WHOLE PIECE ($250.00) PLUS LABOR, IT IS INCREDIBLE HOW THIS CAR COMPANY CALLED NISSAN IS LOOSING THEIR PRESTIGE SINCE STARTED TO ASSEMBLY IN US, IT IS JUST MAKING MORE MONEY OUT OF THE PEOPLE WITH ALL THESE CRAPPY PARTS THEY ARE USING. WE NEED THE FEDERAL GOVERNMENT TO BE INVOLVED AND GIVE US BACK THE MONEY SPENT ON THESE MANUFACTURING DEFECTS AS SOON AS POSSIBLE. *TR
NHTSA ODI #10520959
134,000 miles · Jun 18, 2013
EnginePower Train
TL* THE CONTACT OWNS A 2005 NISSAN PATHFINDER. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 60 MPH, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE IT WAS DIAGNOSED THAT RADIATOR FLUID LEAKED INTO THE TRANSMISSION. AS A RESULT, THE TRANSMISSION AND RADIATOR NEEDED TO BE RE…
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TL* THE CONTACT OWNS A 2005 NISSAN PATHFINDER. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 60 MPH, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE IT WAS DIAGNOSED THAT RADIATOR FLUID LEAKED INTO THE TRANSMISSION. AS A RESULT, THE TRANSMISSION AND RADIATOR NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE AND CURRENT MILEAGE WAS 134,000. *TR
NHTSA ODI #10520520
95,657 miles · Jun 12, 2013
Engine And Engine CoolingPower Train
I BROUGHT OUR PATHFINDER IN TO OUR MECHANIC FOR AN OIL CHANGE AND INSPECTION. HE SAID THAT THE RADIATOR IS GOING BAD. SPECIFICALLY THE COOLANT THAT IS ATTACHED TO THE TRANSMISSION. HE SAID THAT WE SHOULD NOT DRIVE THE VEHICLE, AS IT COULD BLOW THE TRANSMISSION. WE ARE LUCKY THAT HE DID SUCH A THOROUGH INSPECTION, AS WE H…
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I BROUGHT OUR PATHFINDER IN TO OUR MECHANIC FOR AN OIL CHANGE AND INSPECTION. HE SAID THAT THE RADIATOR IS GOING BAD. SPECIFICALLY THE COOLANT THAT IS ATTACHED TO THE TRANSMISSION. HE SAID THAT WE SHOULD NOT DRIVE THE VEHICLE, AS IT COULD BLOW THE TRANSMISSION. WE ARE LUCKY THAT HE DID SUCH A THOROUGH INSPECTION, AS WE HAD NO WARNING SIGNS. I GOOGLED THE PROBLEM AND FOUND YOUR WEBSITE, AND THAT THIS HAS BEEN AN ONGOING PROBLEM WITH NISSAN. OUR MECHANIC SAID HE RECENTLY HAD TO REPLACE TWO RADIATORS, ONE ON A 2009 NISSAN PATHFINDER AND ANOTHER ON A NISSAN (TRUCK)...I CAN'T REMEMBER THE MODEL AND YEAR. *TR
NHTSA ODI #10519523
Official recalls
2Oct 28, 2010
NISSAN IS RECALLING CERTAIN MODEL YEAR 2004-2006 ARMADA, TITAN, INFINITI QX56 AND MODEL YEAR 2005-2006 FRONTIER, PATHFINDER AND XTERRA VEHICLES. THE INTELLIGENT POWER DISTRIBUTION MODULE (IPDM) ASSEMBLY CONTAINS AN ENGINE CONTROL MODULE (ECM) RELAY THAT HAS A DIODE FOR ELECTRICAL CURRENT NOISE REDUCTION. THE ECM RELAY MAY ALLOW SILICON VAPOR TO FORM AND, OVER TIME, THE SILICON EVAPORATES FROM THE DIODE MOLDING WHICH CAUSES SILICON OXIDE TO DEVELOP ON THE ECM RELAY CONTACT DUE TO ARCING.
Consequence & remedy
Consequence: THIS COULD CAUSE ENGINE STALLING INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL REPLACE THE ECM RELAY INSIDE THE IPDM ASSEMBLY. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON DECEMBER 6, 2010. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.
Dec 29, 2008
NISSAN IS RECALLING 242,720 MY 2005-2009 PATHFINDER, FRONTIER AND XTERRA VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA. IN THOSE AREAS OF THE COUNTRY WHICH USE HEAVY CONCENTRATIONS OF ROAD SALT IN THE WINTER, A MIXTURE OF SNOW/WATER AND SALT CAN ENTER INTO THE FRONT CRASH ZONE SENSOR (CZS) HOUSING. IF THIS OCCURS, THE CZS MAY INTERNALLY RUST RESULTING IN A SIGNAL INTERRUPTION. IF THIS HAPPENS, THE RED AIR BAG WARNING LIGHT WILL ILLUMINATE TO ALERT THE VEHICLE OPERATOR.
Consequence & remedy
Consequence: THIS ISSUE COULD RESULT IN THE NON-DEPLOYMENT OF THE DRIVER AND PASSENGER FRONT AIR BAGS IN A CRASH, INCREASING THE RISK OF PERSONAL INJURY.
Remedy: DEALERS WILL REPLACE THE FRONT CZS WITH A REDESIGNED SENSOR. THE RECALL BEGAN ON JANUARY 26, 2009. OWNERS IN THE OTHER STATES WILL RECEIVE EXTENDED WARRANTY COVERAGE FOR THE SENSOR TO 10 YEARS. THESE OWNERS WILL BE NOTIFIED OF THE WARRANTY EXTENSION BY MAIL AND WILL RECEIVE A STICKER TO PLACE IN THEIR WARRANTY BOOKLET EXPLAINING THE EXTENDED WARRANTY COVERAGE. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.
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
1DP12004 · Transmission Failures
Opened Jun 11, 2012 · Closed Oct 22, 2016
Status: closed (inferred from source dates) · Power Train; Power Train:automatic Transmission; Power Train:automatic Transmission:control Module (tcm/pcm/tecm); Power Train:automatic Transmission:cooling Unit And Lines; Power Train:automatic Transmission:torque Converter
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Additional source detail variants (5)
Power Train:automatic Transmission:control Module (tcm/pcm/tecm)
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Power Train:automatic Transmission:cooling Unit And Lines
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Power Train:automatic Transmission
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Power Train:automatic Transmission:torque Converter
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.
Power Train
On February 29, 2012 the National Highway Traffic Safety Administration (NHTSA) received a letter petitioning the agency to conduct a defect investigation into MY 2005-2010 Nissan Pathfinder, Frontier, and Xterra vehicles [the subject vehicles] for automatic transmission failures related to failed transmission coolers.NHTSA conducted a comprehensive review of data related to this subject. Our report, documenting this review, is available in the document file for this defect petition.It will also be published in the Federal Register. Of the 2,505 referenced complaints, 638 relate to a potential hazard (unable to maintain speed, no motive power, engine stall) and 1,867 concern customer satisfaction issues including, but not limited to, repair cost, vehicle shudder and shake, and engine overheating.Taking into account the allocation of agency resources and priorities and the likelihood that additional investigation would result in a finding that an unreasonable risk to highway safety exists, we conclude that further investigation is not warranted and deny the petition.ODI Complaint ID numbers are referenced on the next page.