NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
114 reportsClear category filter135,000 miles · Jan 1, 2015
EnginePower Train
VEHICLE MOVING ALONG INTERSTATE IN HEAVY TRAFFIC AT 60 MPH WHEN ACTED AS IF IT WAS SHIFTED INTO NEUTRAL. ALMOST GOT HIT TWICE TRYING TO COAST TO SIDE OF ROAD. THERE WAS NO RESPONSE TO TRYING TO ACCELERATE, SHIFTER STILL IN D POSITION. ENGINE TEMPERATURE ROSE QUICKLY. SHUT ENGINE OFF ENGINE, TO PREVENT A FIRE. SIT THERE MOMENTARI…
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VEHICLE MOVING ALONG INTERSTATE IN HEAVY TRAFFIC AT 60 MPH WHEN ACTED AS IF IT WAS SHIFTED INTO NEUTRAL. ALMOST GOT HIT TWICE TRYING TO COAST TO SIDE OF ROAD. THERE WAS NO RESPONSE TO TRYING TO ACCELERATE, SHIFTER STILL IN D POSITION. ENGINE TEMPERATURE ROSE QUICKLY. SHUT ENGINE OFF ENGINE, TO PREVENT A FIRE. SIT THERE MOMENTARILY, RESTARTED THE ENGINE, TEMP CAME DOWN, TRANSMISSION ENGAGED, DROVE HOME. HUSBAND INVESTIGATED AND FOUND OILY SUBSTANCE IN RADIATOR AND TRANSMISSION LOW IN FLUID THAT WAS A PASTY LOOKING MATERIAL NOW ON DIPSTICK. REFER TO THE NISSAN RADIATOR DEFECT CLASS ACTION LAWSUIT SETTLEMENT CASE IS IN RE: NISSAN RADIATOR/TRANSMISSION COOLER LITIGATION, CASE NO. 10-CV-07493, U.S. DISTRICT COURT FOR THE SOUTHERN DISTRICT OF NEW YORK. WE WERE NEVER NOTIFIED OF A RECALL OR THE SUIT, WHEN WE WOULD HAVE QUALIFIED FOR ASSISTANCE FROM NISSAN. DOES THE STATE OF NEW YORK DECIDE REPARATIONS TO THE REST OF THE COUNTRY WHILE I AM NOW POOR AND NEED A CAR AND CAN'T AFFORD TO REPAIR IT. HOW MANY MORE FAILURES ARE OUT THERE? INCLUDES PATHFINDER AND FRONTIER MODELS. ALSO DISCOVERED VIN NUMBER ON TOP OF DASH WAS INCORRECT. THANKS. *JS
NHTSA ODI #10669474
106,403 miles · Oct 23, 2014
Electrical SystemEnginePower Train
MY CAR WAS RUNNING FINE AND NORMAL BUT WHEN I TRIED TO START IT, NOTHING HAPPENED. I TRIED TO JUMP THE BATTERY AND I REPLACED THE STARTER. AFTER THOSE ATTEMPTS I HAD THE VEHICLE TOWED TO A NEARBY DEALERSHIP WHO TOLD ME THAT COOLANT FROM THE RADIATOR LEAKED INTO THE TRANSMISSION AND MIXED FLUID, DAMAGING BOTH THE TRANSMISSION AND…
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MY CAR WAS RUNNING FINE AND NORMAL BUT WHEN I TRIED TO START IT, NOTHING HAPPENED. I TRIED TO JUMP THE BATTERY AND I REPLACED THE STARTER. AFTER THOSE ATTEMPTS I HAD THE VEHICLE TOWED TO A NEARBY DEALERSHIP WHO TOLD ME THAT COOLANT FROM THE RADIATOR LEAKED INTO THE TRANSMISSION AND MIXED FLUID, DAMAGING BOTH THE TRANSMISSION AND ECM. CAR WILL NOT START AND THE IS NO COMMUNICATIONS WORKING. THE NISSAN DEALERSHIP RECOMMENDED I GET A NEW RADIATOR, IPDM MODULE, AND TRANSMISSION WHICH WAS ESTIMATED AT A COST OF $5,500 AFTER PARTS AND LABOR. I HAD THE VEHICLE TOWED TO A LOCAL REPAIR SHOP FOR A SECOND OPINION AND WAS TOLD THE SAME THING AS THE DEALER HAD SAID. *TR
NHTSA ODI #10649447
Mileage unknown · Oct 22, 2014
EnginePower Train
CRACKED RADIATOR CAUSING COOLANT TO LEAK INTO THE TRANSMISSION. ONCE MIXED WITH THE TRANSMISSION FLUID THIS LETHAL COMBINATION KILLS THE VALVES, SEALS AND TORQUE CONVERTER -- RENDERING YOUR ENTIRE TRANSMISSION USELESS. MY XTERRA IS NOT ABLE TO DRIVE. GOT QUOTED OVER THREE THOUSAND TO REPAIR AND MY CAR IS NOT EVEN PAID OFF YET. …
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CRACKED RADIATOR CAUSING COOLANT TO LEAK INTO THE TRANSMISSION. ONCE MIXED WITH THE TRANSMISSION FLUID THIS LETHAL COMBINATION KILLS THE VALVES, SEALS AND TORQUE CONVERTER -- RENDERING YOUR ENTIRE TRANSMISSION USELESS. MY XTERRA IS NOT ABLE TO DRIVE. GOT QUOTED OVER THREE THOUSAND TO REPAIR AND MY CAR IS NOT EVEN PAID OFF YET. *TR
NHTSA ODI #10649231
111,000 miles · Aug 24, 2014
Electrical SystemElectronic Stability Control (esc)Engine
DRIVING DOWN ROAD AND CAR QUITS STEERING WAS DIFFICULT HIT A CURB. THE CAR ALL OF A SUDDEN CAME BACK ON? HAS DONE THIS TO ME SEVERAL TIMES UNTIL I PARKED IT NOW. DANGEROUS SITUATION. LUCKY NO VEHICLES WERE AROUND ME. *TR
NHTSA ODI #10627832
177,700 miles · Aug 5, 2014
EngineFuel System, GasolinePower Train
PURCHASED MY '05 NISSAN XTERRA IN THE SPRING OF 2012 WITH ABOUT 160,000 MILES. FOR THE PAST 2 MONTHS I HAD MINOR ISSUES LIKE SHUDDERING/VIBRATIONS RANDOMLY WHEN I ACCELERATED AND THE HEAT NOT WORKING WHEN I WAS AT A COMPLETE STOP. IT WAS NOT UNTIL THE OTHER DAY WHEN I WAS AT A COMPLETE STOP AND MY CAR WOULD NOT ACCELERATE PROPER…
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PURCHASED MY '05 NISSAN XTERRA IN THE SPRING OF 2012 WITH ABOUT 160,000 MILES. FOR THE PAST 2 MONTHS I HAD MINOR ISSUES LIKE SHUDDERING/VIBRATIONS RANDOMLY WHEN I ACCELERATED AND THE HEAT NOT WORKING WHEN I WAS AT A COMPLETE STOP. IT WAS NOT UNTIL THE OTHER DAY WHEN I WAS AT A COMPLETE STOP AND MY CAR WOULD NOT ACCELERATE PROPERLY THAT I KNEW I HAD A PROBLEM WITH THE TRANSMISSION. I TOOK MY XTERRA TO 3 DIFFERENT MECHANICS AND EACH ONE EXPLAINED TO ME THAT I WOULD NEED A COMPLETELY NEW TRANSMISSION AND FROM THERE THEY WOULD SEE IF I IN FACT NEEDED TO CHANGE THE RADIATOR (WHICH THEY WERE POSITIVE WAS THE ORIGINAL ISSUE DUE TO SIMILAR ISSUES WITH OTHER NISSAN SUV OWNERS). THE REPAIRS WILL COST ME WELL OVER $4,000 AND UNFORTUNATELY AS A COLLEGE STUDENT, THERE IS NO WAY I CAN AFFORD TO REPAIR THE TRANSMISSION AND RADIATOR. WHAT WAS APPALLING TO ME WAS WHEN I RESEARCHED THE ISSUE ONLINE. THERE ARE HUNDREDS UPON HUNDREDS OF COMPLAINTS ONLINE ON VARIOUS WEBSITES ABOUT THIS ISSUE AND NISSAN HAS YET TO ISSUE A RECALL. THE EXTENDED WARRANTY EXCLUDED MANY PEOPLE AND PUT MANY MORE AT AN UNFAIR DISADVANTAGE. I PERSONALLY BOUGHT MY NISSAN, BECAUSE OF THEIR REPUTATION, BUT THE FACT THAT THEY WILL NOT COME TO THE AID OF THEIR CONSUMERS SPEAKS VOLUMES OF THIS COMPANY. *TR
NHTSA ODI #10619152
140,000 miles · Jul 29, 2014
EnginePower Train
2ND OWNER OF 2005 NISSAN XTERRA. FIRST HAD ISSUES WITH HEAT NOT WORKING WHEN AT A COMPLETE STOP, THEN CAR WOULD BEGIN TO VIBRATE ON THE HWY, AND NOW CAR IS HAVING ISSUES UP SHIFTING. 2 MECHANICS HAVE TOLD ME THE SAME THING, STATING DEFECTIVE RADIATOR WAS LEAKING FLUID INTO TRANSMISSION. NOW I MUST REPLACE BOTH AT ABOUT $4000. AF…
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2ND OWNER OF 2005 NISSAN XTERRA. FIRST HAD ISSUES WITH HEAT NOT WORKING WHEN AT A COMPLETE STOP, THEN CAR WOULD BEGIN TO VIBRATE ON THE HWY, AND NOW CAR IS HAVING ISSUES UP SHIFTING. 2 MECHANICS HAVE TOLD ME THE SAME THING, STATING DEFECTIVE RADIATOR WAS LEAKING FLUID INTO TRANSMISSION. NOW I MUST REPLACE BOTH AT ABOUT $4000. AFTER DOING SOME RESEARCH ONLINE, I HAVE FOUND THIS IS A COMMON ISSUE WITH THIS MODEL AND NISSAN HAS NOT ISSUED A RECALL. JEOPARDIZING THE SAFETY OF MANY AND BEING VERY COSTLY TO THOSE WHO CAN NOT AFFORD A MAJOR ISSUE LIKE THIS. *JS
NHTSA ODI #10617074
135,372 miles · Jul 25, 2014
EnginePower Train
THE RADIATOR LEAKED INTO THE TRANSMISSION CAUSING THE TRANSMISSION TO STOP WORKING. I HAD TO HAVE THE TRANSMISSION REBUILT AND A WHOLE NEW RADIATOR SYSTEM PUT IN MY TRUCK. 5300.00 .THIS IS A COMMON PROBLEM WITH THIS MODEL. TRIED TO SEND IN A CLAIM BUT WAS TOLD THEY ARE NO LONGER EXCEPTING CLAIMS BECAUSE OF THE PROBLEM. IF THEY A…
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THE RADIATOR LEAKED INTO THE TRANSMISSION CAUSING THE TRANSMISSION TO STOP WORKING. I HAD TO HAVE THE TRANSMISSION REBUILT AND A WHOLE NEW RADIATOR SYSTEM PUT IN MY TRUCK. 5300.00 .THIS IS A COMMON PROBLEM WITH THIS MODEL. TRIED TO SEND IN A CLAIM BUT WAS TOLD THEY ARE NO LONGER EXCEPTING CLAIMS BECAUSE OF THE PROBLEM. IF THEY ARE AWARE OF THE PROBLEM THEN THEY SHOULD HELP THOSE OF US IT HAPPENED TO!!!!!! *TR
NHTSA ODI #10616424
98,000 miles · Jun 17, 2014
EnginePower Train
RADIATOR DEFECT CAUSES LEAKAGE INTO TRANSMISSION. TRANSMISSION FAILS AND VEHICLE ABRUPTLY STOPS UNPREDICTABLY ON THE FREEWAY. *TR
NHTSA ODI #10598940
44,000 miles · Jun 4, 2014
EnginePower Train
TL* THE CONTACT OWNS A 2005 NISSAN XTERRA. THE CONTACT STATED THERE WAS A LOUD NOISE IN THE FRONT OF THE VEHICLE INTERMITTENTLY. AN AUTHORIZED DEALER WAS UNABLE TO REPLICATE NOR DIAGNOSE THE FAILURE ON SEVERAL OCCASIONS. THE VEHICLE WAS TAKEN BACK TO AN AUTHORIZED DEALER AGAIN WHO DIAGNOSED THAT THE TIMING NEEDED TO BE RESET. …
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TL* THE CONTACT OWNS A 2005 NISSAN XTERRA. THE CONTACT STATED THERE WAS A LOUD NOISE IN THE FRONT OF THE VEHICLE INTERMITTENTLY. AN AUTHORIZED DEALER WAS UNABLE TO REPLICATE NOR DIAGNOSE THE FAILURE ON SEVERAL OCCASIONS. THE VEHICLE WAS TAKEN BACK TO AN AUTHORIZED DEALER AGAIN WHO DIAGNOSED THAT THE TIMING NEEDED TO BE RESET. THE TIMING WAS RESET AND THE FAILURE RECURRED. THE VEHICLE WAS ALSO LEAKING FLUID; THE HOOD WAS OPENED AND THE CAP TO THE TRANSMISSION OVERFLOW FLUID WAS MISSING HOWEVER, THE DEALER REPLACED THE CAP. THE CONTACT CONTINUED TO HEAR A LOUD NOISE INTERMITTENTLY. THE VEHICLE WAS TAKEN BACK TO AN AUTHORIZED DEALER FOR FURTHER INSPECTION AND DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 44,000. THE CURRENT MILEAGE WAS 65,000.
NHTSA ODI #10596003
102,000 miles · Apr 23, 2014
EnginePower Train
TL* THE CONTACT OWNS A 2005 NISSAN XTERRA. THE CONTACT STATED THAT WHILE TRAVELING VARIOUS SPEEDS, THE VEHICLE SUDDENLY LOST ACCELERATION POWER AND WOULD NOT EXCEED 25 MPH. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS FOUND THAT THE TRANSMISSION HAD FAILED DUE TO BEING CONTAMINATED BY COOLANT. THE VEHICLE WAS NOT REPAIRED. T…
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TL* THE CONTACT OWNS A 2005 NISSAN XTERRA. THE CONTACT STATED THAT WHILE TRAVELING VARIOUS SPEEDS, THE VEHICLE SUDDENLY LOST ACCELERATION POWER AND WOULD NOT EXCEED 25 MPH. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS FOUND THAT THE TRANSMISSION HAD FAILED DUE TO BEING CONTAMINATED BY COOLANT. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED ABOUT THE FAILURE. THE FAILURE MILEAGE WAS 102,000.
NHTSA ODI #10584398
Official recalls
3Oct 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.
Oct 5, 2005
ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH A NISSAN ACCESSORY TOW HITCH, INADEQUATE QUALITY OF SOME WELDED JOINTS IN THE HITCH ASSEMBLY MAY RESULT IN SEPARATION OF THE HITCH FROM THE VEHICLE WHEN BEING USED TO TOW.
Consequence & remedy
Consequence: THIS COULD RESULT IN THE TRAILER SEPARATING FROM THE VEHICLE AND CAUSE A CRASH WITHOUT WARNING.
Remedy: DEALERS WILL REPLACE THE TOW HITCHES. ON OCTOBER 17, 2005, OWNERS WERE SENT AN INTERIM LETTER ADVISING THEM NOT TO USE THE TOW HITCH UNTIL IT CAN BE REPAIRED. ANOTHER LETTER WAS SENT OUT ON NOVEMBER 21, 2005, NOTIFYING THEM TO BRING THEIR VEHICLES IN FOR REPAIR. 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.
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