NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
106 reportsClear category filter81,921 miles · Dec 22, 2011
Engine And Engine Cooling
I RECENTLY HAD MY RECALLED ECM RELAY REPLACED AFTER IT FAILED, THE VERY NEXT DAY MY SERVICE ENGINE LIGHT CAME ON. I FOUND A P0430 CODE SAYING THAT THE CATALYST EFFICIENCY WAS BELOW THRESHOLD ON BANK 2 (FAILED CATALYTIC CONVERTER). I CALLED THE DEALER TO TELL THEM WHAT TROUBLE CODE I HAD FOUND AND TO SEE IF THE ECM FAILURE WAS …
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I RECENTLY HAD MY RECALLED ECM RELAY REPLACED AFTER IT FAILED, THE VERY NEXT DAY MY SERVICE ENGINE LIGHT CAME ON. I FOUND A P0430 CODE SAYING THAT THE CATALYST EFFICIENCY WAS BELOW THRESHOLD ON BANK 2 (FAILED CATALYTIC CONVERTER). I CALLED THE DEALER TO TELL THEM WHAT TROUBLE CODE I HAD FOUND AND TO SEE IF THE ECM FAILURE WAS RELATED. HE SAID HE WOULD LOOK INTO IT AND CALL ME BACK. DURING THAT TIME, I DID SOME RESEARCH AND FOUND SITES WHERE PEOPLE HAD DISCUSSED HAVING THE SAME ISSUE. WHEN THE DEALER CALLED ME BACK I TOLD HIM WHAT I HAD FOUND, IT WAS AT THIS TIME, HE TOLD ME THAT IT WAS A COMMON ISSUE & THAT HE WOULD LOOK INTO TRYING TO GET IT COVERED UNDER WARRANTY EVEN THOUGH MY MILEAGE WAS JUST OVER THE 80,000 MILE LIMIT. WHEN HE CALLED ME BACK, HE SAID THAT HE WAS GETTING RESISTANCE FROM HIS END AND THAT I SHOULD CONTACT NISSAN DIRECTLY. I CALLED NISSAN, EXPLAINED MY ISSUE, AND THEN WAITED FOR THEM TO GET BACK TO ME WITH THEIR DECISION. WHEN THEY CALLED THEY SAID THAT THEY WOULD COVER $300 OF THE $1300 COST TO REPLACE THE CATALYTIC CONVERTER. I SAID, ONLY $300?? I FEEL THAT NISSAN SHOULD BE COVERING 100% BECAUSE IT WAS THE FAILURE OF THE ECM THAT CAUSED THE CATALYTIC CONVERTER TO FAIL. NISSAN SAID, OUR ENGINEERS HAVE NOT DETERMINED THAT THE FAILURE OF THE ECM CAUSED THE FAILURE OF THE CATALYTIC CONVERTER, BUT IF AT SOME POINT THEY DO DETERMINE THAT, WE WILL REFUND ALL OF YOUR REPAIR COSTS. I KNOW THE CAT FAILURE WAS DIRECTLY RELATED TO THE ECM FAILURE AND FEEL NISSAN SHOULD COVER THE ENTIRE COST OF REPLACEMENT. I CALLED NISSAN BACK TODAY (12/22/11) TO SEE IF I COULD GET THEM TO DISCUSS THIS ISSUE FURTHER & WAS TOLD THAT SINCE I DID NOT ACCEPT THEIR OFFER OF $300 THAT THE ISSUE HAD BEEN CLOSED AND THAT I COULD DO NOTHING MORE. NISSAN WILL NOW COVER NONE OF THE COST TO REPLACE THE CAT BECAUSE I DID NOT ACCEPT THEIR $300 OFFER. THIS IS WRONG!!! *TR
NHTSA ODI #10441030
Mileage unknown · Nov 28, 2011
Engine And Engine CoolingPower Train
I WAS DRIVING THRU A INTERSECTION AND MY XTERRA LOST THE ABILITY TO GO DUE TO A FAULTY RADIATOR ASSEMBLY CAUSING FAILURE TO THE TRANSMISSION THE ISSUE STARTED AT AROUND 92,000 MILES AND NISSAN WILL NOT DO A THING TO FIX IT SAYING I AM OUT OF THE EXTENDED COVERAGE! WELL THIS IS A A HUGE SAFETY ISSUE HAD IT BEEN A NIGHT ME AND MY …
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I WAS DRIVING THRU A INTERSECTION AND MY XTERRA LOST THE ABILITY TO GO DUE TO A FAULTY RADIATOR ASSEMBLY CAUSING FAILURE TO THE TRANSMISSION THE ISSUE STARTED AT AROUND 92,000 MILES AND NISSAN WILL NOT DO A THING TO FIX IT SAYING I AM OUT OF THE EXTENDED COVERAGE! WELL THIS IS A A HUGE SAFETY ISSUE HAD IT BEEN A NIGHT ME AND MY WIFE COULD HAVE NOT BEEN SEEN AND HAD A VERY SERIOUS ACCIDENT! *KB
NHTSA ODI #10437451
69,000 miles · Nov 15, 2011
Engine And Engine Cooling
MY 2006 NISSAN XTERRA IS SHOWING SYMPTOMS OF THE TIMING CHAIN WEAR THAT SO MANY OTHER XTERRA OWNERS HAVE FILED COMPLAINTS ABOUT. I CALLED NISSAN WITH REFERENCE TO THEIR TECHNICAL SERVICE BULLETIN #NTB09-128 THAT ACKNOWLEDGES THERE IS A PROBLEM WITH THE TIMING CHAIN. THEY TOLD ME THEY COULDN'T FIND IT IN THE SYSTEM AND I WOULD …
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MY 2006 NISSAN XTERRA IS SHOWING SYMPTOMS OF THE TIMING CHAIN WEAR THAT SO MANY OTHER XTERRA OWNERS HAVE FILED COMPLAINTS ABOUT. I CALLED NISSAN WITH REFERENCE TO THEIR TECHNICAL SERVICE BULLETIN #NTB09-128 THAT ACKNOWLEDGES THERE IS A PROBLEM WITH THE TIMING CHAIN. THEY TOLD ME THEY COULDN'T FIND IT IN THE SYSTEM AND I WOULD HAVE TO TAKE MY CAR TO THE DEALER AND HAVE IT REPLACED (AT COST TO ME). I DO NOT KNOW WHY THIS IS NOT A RECALL - IF THE TIMING CHAIN SNAPS IT WILL CAUSE CATASTROPHIC ENGINE FAILURE THAT COULD LEAD TO SIGNIFICANT BODILY INJURY IF THE CAR WAS DRIVING. *TR
NHTSA ODI #10435706
Mileage unknown · Nov 9, 2011
Engine And Engine Cooling
AT 64,765 MILES, MY TIMING CHAINS NEED TO BE REPLACED, PER MY NISSAN DEALER. I WAS TOLD WHEN I PURCHASED THE VEHICLE, BRAND NEW, THAT THIS WOULD NEVER BE AN ISSUE. *TR
NHTSA ODI #10435114
61,000 miles · Oct 7, 2011
Engine And Engine Cooling
PREMATURE TIMING CHAIN WEAR BEFORE AND AFTER 60,000 MILES. PREMATURE WEAR IS CAUSED BY FAULTY DESIGN, SPECIFICALLY TEFLON COATED GUIDE-CHAIN TENSIONER. FAILURE TO THE TIMING CHAIN WILL RESULT IN ENGINE FAILURE AND POSSIBLE ACCIDENT IF OPERATED ON ROADWAY. NISSAN REFUSES TO ACKNOWLEDGE PROBLEM AND OR RECALL. PRIOR SERVICE BUL…
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PREMATURE TIMING CHAIN WEAR BEFORE AND AFTER 60,000 MILES. PREMATURE WEAR IS CAUSED BY FAULTY DESIGN, SPECIFICALLY TEFLON COATED GUIDE-CHAIN TENSIONER. FAILURE TO THE TIMING CHAIN WILL RESULT IN ENGINE FAILURE AND POSSIBLE ACCIDENT IF OPERATED ON ROADWAY. NISSAN REFUSES TO ACKNOWLEDGE PROBLEM AND OR RECALL. PRIOR SERVICE BULLETIN CIRCULATED BY NISSAN (NTB07-042A) AND GENERATED ON 4/17/2009 VERIFIES SAME PROBLEM WITH THIS MAKE AND MODEL AND SEVERAL OTHER NISSAN YEARS AND MODELS AFFECTED. RESPECTFULLY REQUEST INVESTIGATION INTO THIS ISSUE. *TR
NHTSA ODI #10429077
104,000 miles · Oct 3, 2011
Engine And Engine Cooling
RADIATOR IS SEPARATED AT TOP OF RADIATOR. RADIATOR CAN'T SUPPORT PRESSURE WHEN RUNNING AT TOP TEMPERATURES. *TR
NHTSA ODI #10428268
105,000 miles · Jul 19, 2011
Engine And Engine CoolingPower Train
I HAVE A 2006 NISSAN XTERRA AND DRIVING MY CAR IT STARTED DRIVING LIKE IN NEUTRAL SO I HAD MY CAR TOWED AND THE SHOP TOLD ME THERE WAS A CRACK IN THE RADIATOR HOSE THAT CAUSED FLUID TO GO INTO TRANSMISSION AND RUINED IT. I HAD MY CAR TOWED TO A NISSAN DEALER AND THEY SAID YES THEY KNEW ABOUT THIS AND HAD ISSUED AN EXTENDED WARR…
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I HAVE A 2006 NISSAN XTERRA AND DRIVING MY CAR IT STARTED DRIVING LIKE IN NEUTRAL SO I HAD MY CAR TOWED AND THE SHOP TOLD ME THERE WAS A CRACK IN THE RADIATOR HOSE THAT CAUSED FLUID TO GO INTO TRANSMISSION AND RUINED IT. I HAD MY CAR TOWED TO A NISSAN DEALER AND THEY SAID YES THEY KNEW ABOUT THIS AND HAD ISSUED AN EXTENDED WARRANTY TO 80,000 MILES MY CAR HAS 100,000 MILES ON IT SO IT WOULDN'T BE COVERED. I FELT SINCE THEY CLEARLY HAD A DESIGN FLAW IN THE RADIATOR HOSE CONNECTION THAT COULD CAUSE THE TRANSMISSION TO GIVE OUT AND BE DANGEROUS IT SHOULD HAVE BEEN A RECALL ISSUE. IT SHOULDN'T MATTER HOW MANY MILES YOU HAVE ON THE CAR IT WAS A DEFECTIVE DESIGN BY NISSAN AND SHOULD HAVE BEEN CORRECTED. ALL YOU HAVE TO DO IS SEARCH ON THE INTERNET AND YOU WILL FIND MANY MANY PAGES OF COMPLAINTS ABOUT THIS ISSUE. I FIND IT HARD TO BELIEVE THAT A CAR COMPANY COULD BE AWARE OF A DESIGN FLAW THAT IS MORE LIKELY TO OCCUR THAN NOT BUT NOT STAND BEHIND THE VEHICLE AND TAKE CARE OF IT REGARDLESS THE MILES. IT IS OVER $5,000 TO FIX AND IT IS WRONG FOR NISSAN NOT TO HAVE RECALLED THIS. WHY WHEN IT IS REPAIRED DOES THE NEW RADIATOR HAVE A DIFFERENT HOSE CONNECTION?? BECAUSE THEY KNOW IT WAS A DEFECTIVE DESIGN FIRST TIME AROUND. JUST WRONG, I WILL NEVER BUY ANOTHER NISSAN AGAIN. *KB
NHTSA ODI #10413559
87,000 miles · Jul 18, 2011
Engine And Engine CoolingPower Train
MY DAUGHTER (17 YEARS OLD) WAS DRIVING THE 2006 NISSAN XTERRA AND THE TRANSMISSION WENT INOPERABLE AND THE VEHICLE WOULD NOT MOVE. NO WARNING AND NO INDICATION OF FAILURE. NISSAN STATED THAT THE RADIATOR LEAKED INTO THE TRANSMISSION AND THEY WOULD WARRANTY IT IF IT WAS UNDER 80,000 MILES. THIS VEHICLE HAS 87,000 MILES AND THE…
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MY DAUGHTER (17 YEARS OLD) WAS DRIVING THE 2006 NISSAN XTERRA AND THE TRANSMISSION WENT INOPERABLE AND THE VEHICLE WOULD NOT MOVE. NO WARNING AND NO INDICATION OF FAILURE. NISSAN STATED THAT THE RADIATOR LEAKED INTO THE TRANSMISSION AND THEY WOULD WARRANTY IT IF IT WAS UNDER 80,000 MILES. THIS VEHICLE HAS 87,000 MILES AND THE DEALER SAID THAT NO WARRANTY CAN BE GRANTED BUT THEY WOULD BE HAPPY TO TAKE A $5000 CHARGE TO FIX IT. *KB
NHTSA ODI #10413402
92,000 miles · May 19, 2011
Engine And Engine CoolingPower Train
MY 2006 NISSAN X-TERRA TRANSMISSION AND RADIATOR FAILED RADIATOR COOLING LINES FOR TRANSMISSION FAILED AND LEAKED INTO TRANSMISSION CAUSING COMPLETE FAILURE OF TRANSMISSION.$4,000 TO REPAIR. *TR
NHTSA ODI #10402110
120,000 miles · May 15, 2011
Engine And Engine Cooling
I HAVE A 2006 XTERRA THAT THE RADIATOR LEAKED INTO MY TRANSMISSION. THE ONLY SOLUTION FROM THE NISSAN DEALERSHIP WAS TO GET A NEW TRANSMISSION ($5500), REBUILD OR TRADE VEHICLES. APPARENTLY THIS IS A WIDESPREAD PROBLEM THAT NISSAN IS AWARE OF BUT WON'T DO ANYTHING ABOUT. THEY SHOULD HAVE ISSUED A RECALL ON THIS SO THIS PROBLEM…
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I HAVE A 2006 XTERRA THAT THE RADIATOR LEAKED INTO MY TRANSMISSION. THE ONLY SOLUTION FROM THE NISSAN DEALERSHIP WAS TO GET A NEW TRANSMISSION ($5500), REBUILD OR TRADE VEHICLES. APPARENTLY THIS IS A WIDESPREAD PROBLEM THAT NISSAN IS AWARE OF BUT WON'T DO ANYTHING ABOUT. THEY SHOULD HAVE ISSUED A RECALL ON THIS SO THIS PROBLEM COULD HAVE POSSIBLY BEEN AVOIDED. *TR
NHTSA ODI #10400915
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.
Mar 3, 2010
NISSAN IS RECALLING CERTAIN MODEL YEAR 2006 AND MODEL YEAR 2008 FRONTIER, XTERRA AND PATHFINDER VEHICLES. THE MOLDED FUEL TANK SHELLS CAN DEFORM, CAUSING THE FUEL SENDER FLOAT ARM TO CONTACT AN EMBOSSMENT MOLDED INTO THE TANK SHELL CAUSING THE INSTRUMENT PANEL FUEL GAUGE TO SHOW THAT THE VEHICLE HAS APPROXIMATELY ONE QUARTER TANK WHEN THE FUEL TANK IS EMPTY.
Consequence & remedy
Consequence: THIS COULD CAUSE THE VEHICLE TO RUN OUT OF GAS AND STALL IN TRAFFIC, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL REPLACE THE FUEL LEVEL SENDING UNIT INSIDE THE FUEL TANK WITH A NEW ONE THAT HAS A MODIFIED FLOAT ARM. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OR BEFORE MARCH 22, 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.