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2006 Nissan Xterra

Owner reports · Recalls · Investigations

More warning signs than most Xterra years

Owner complaints for the 2006 Nissan Xterra are substantially higher than the model-year median of 78.

About this comparison →

When problems were reported

Mileage at the reported incident

720 reports with mileage · 60 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.

  • Power Train. Review the 268 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 237 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 106 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

12 crash reports3 fire reports11 injury reports

What owners actually said

780 reports
120,000 miles · Mar 4, 2018
Engine

WAS DRIVING IN A 55 ZONE IN MY XTERRA AND THE ENGINE LOST POWER OUTA NO WHERE. GOOD THING NO ONE WAS BEHIND ME OR I WOULDA BEEN KILLED. SOUNDS A LOT LIKE THE INTELLIGENT POWER DISTRIBUTION MODULE (IPDM) ASSEMBLY CONTAINS AN ENGINE CONTROL MODULE (ECM) THAT THEY HAD PROBLEMS WITH ON THIS MODEL YET MY VIN DOES NOT COME UP IN THE …

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WAS DRIVING IN A 55 ZONE IN MY XTERRA AND THE ENGINE LOST POWER OUTA NO WHERE. GOOD THING NO ONE WAS BEHIND ME OR I WOULDA BEEN KILLED. SOUNDS A LOT LIKE THE INTELLIGENT POWER DISTRIBUTION MODULE (IPDM) ASSEMBLY CONTAINS AN ENGINE CONTROL MODULE (ECM) THAT THEY HAD PROBLEMS WITH ON THIS MODEL YET MY VIN DOES NOT COME UP IN THE SEARCH????

NHTSA ODI #11076155

225,000 miles · Mar 2, 2018
Engine

NISSAN KNEW ABOUT AN ISSUE WITH THE TIMING CHAIN TENSION SYSTEM TCTS EVEN IN EARLY TESTING OF THE MOTOR AND PRE-PRODUCTION DATING BACK TO 2004. THE TCTS ENSURES THAT THE PISTONS AND VALVES ARE PROPERLY TIMED AND ELIMINATE THE COMING IN CONTACT WITH EACH OTHER OR CAUSING CATASTROPHIC FAILURE. NISSAN EVEN ISSUED BEGINNING IN JULY …

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NISSAN KNEW ABOUT AN ISSUE WITH THE TIMING CHAIN TENSION SYSTEM TCTS EVEN IN EARLY TESTING OF THE MOTOR AND PRE-PRODUCTION DATING BACK TO 2004. THE TCTS ENSURES THAT THE PISTONS AND VALVES ARE PROPERLY TIMED AND ELIMINATE THE COMING IN CONTACT WITH EACH OTHER OR CAUSING CATASTROPHIC FAILURE. NISSAN EVEN ISSUED BEGINNING IN JULY OF 2007 THE TSB TECHNICAL SERVICE BULLETINS INSTRUCTS TECHNICIANS TO REPLACE THE FAULTY TCTS COMPONENTS IF THERE IS A WHINING, CLICKING OR BUZZING SOUNDS. FOR THE ACTUAL CASE AGAINST NISSAN NORTH AMERICA AND NISSAN MOTOR COMPANY HERE IS THE LINK TO THE COURT DOCUMENTS: HTTPS://LAW.JUSTIA.COM/CASES/FEDERAL/DISTRICT-COURTS/CALIFORNIA/CACDCE/2:2013CV00686/553274/166/

NHTSA ODI #11075995

105,000 miles · Feb 24, 2018
Power Train

CAR WOULD NOT SWITCH GEARS. IT STAID IN 1ST OR 2ND AND RPM WENT TO RED AS I PULLED AWAY FROM MY PARKING SPOT. TRANSMISSION FAILURE AT 105,000 MILES. COST OF REPAIRS: $4,000.00. AFTER RESEARCH ON LINE, FOUND OUT NISSAN NEVER RECALLED THE VEHICLE BUT OFFERED EXTENDED CO-PAYMENT WARRANTY UP TO 100,000 MILES TO AVOID FIXING PRO…

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CAR WOULD NOT SWITCH GEARS. IT STAID IN 1ST OR 2ND AND RPM WENT TO RED AS I PULLED AWAY FROM MY PARKING SPOT. TRANSMISSION FAILURE AT 105,000 MILES. COST OF REPAIRS: $4,000.00. AFTER RESEARCH ON LINE, FOUND OUT NISSAN NEVER RECALLED THE VEHICLE BUT OFFERED EXTENDED CO-PAYMENT WARRANTY UP TO 100,000 MILES TO AVOID FIXING PROBLEM AS THE FAILURE USUALLY OCCURS AT AROUND 100,000 MILES AND ABOVE. MINE WAS AT 105K. THESE CARS NEEDED TO BE RECALLED AND NOW I'M PAYING $4,000.00 TO FIX A KNOWN DEFECT THAT NISSAN GOT AWAY WITH NOT TAKING FULL RESPONSIBILITY TO REPAIR.

NHTSA ODI #11074601

73,000 miles · Feb 12, 2018
Fuel/propulsion System

I FILLED UP MY TANK AND YET MY FUEL GAUGE REMAINS AT BELOW 1/4. THIS HAPPENED OVER THE LAST 2 RECENT FILLED UPS THE LATEST BEING MADE YESTERDAY. ON THE FIRST OCCASION, I GOT STUCK ON THE ROAD. TODAY , I HAVE TO BRING A GALLON OF GAS WITH ME TO AVOID GETTING STUCK AGAIN. I CALLED MY LOCAL NISSAN DEALERSHIP AND THEY SAID MY VIN# D…

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I FILLED UP MY TANK AND YET MY FUEL GAUGE REMAINS AT BELOW 1/4. THIS HAPPENED OVER THE LAST 2 RECENT FILLED UPS THE LATEST BEING MADE YESTERDAY. ON THE FIRST OCCASION, I GOT STUCK ON THE ROAD. TODAY , I HAVE TO BRING A GALLON OF GAS WITH ME TO AVOID GETTING STUCK AGAIN. I CALLED MY LOCAL NISSAN DEALERSHIP AND THEY SAID MY VIN# DOES NOT SHOW ANY RECALL AND WILL NOT COVER IT UNDER THE RECALL PROVISIONS. I SEARCHED EVERYWHERE AND FOUND A SIMILAR SITUTATION UNDER NHTSA CAMPAIGN ID#10V07500. I DON'T UNDERSTAND IT WHEN MY CAR APPARENTLY FALLS WITHIN THE YEAR OF THE RECALL BUT THE VIN# DOES NOT SHOW ANYTHING. THE DEALERSHIP SAYS RECALL IS VIN SPECIFIC . PLEASE HELP, VIN OR NO VIN , MY CAR IS MANIFESTING THE ACTUAL ISSUES OF THE PREVIOUSLY MENTIONED RECALL CAMPAIGN ON DEFECTIVE FUEL PUMP.

NHTSA ODI #11072284

245,000 miles · Feb 9, 2018
Power Train

POSSIBLE TRANSMISSION COOLER LEAKING AND ALLOWING ANTIFREEZE COOLANT TO GET INTO THE TRANSMISSION AND RUIN IT COSTINF A NEW TRANSMISSION AND RADIATOR ON TOP OF THE REPAIR LABOR COSTS AND NISSAN OFFERING NO HELP AT ALL

NHTSA ODI #11071916

Mileage unknown · Feb 2, 2018
Engine

TIMING CHAIN. I AM A MEMBER OF A FEW FORUMS FOR THE NISSAN XTERRA AND FRONTIER. IT IS A KNOWN ISSUE THAT THE TIMING CHAIN, THE TENSION AND GUIDES ARE A ISSUE ON THE 05/06 XTERRA AND FRONTIERS RUNNING THE 4.0 V6. A CLASS ACTION LAWSUIT WAS FILED BY OWNERS OF THE SAME YEAR XTERRAS BUT IT ONLY RECOGNIZED IN A FEW STATES. PLEASE INV…

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TIMING CHAIN. I AM A MEMBER OF A FEW FORUMS FOR THE NISSAN XTERRA AND FRONTIER. IT IS A KNOWN ISSUE THAT THE TIMING CHAIN, THE TENSION AND GUIDES ARE A ISSUE ON THE 05/06 XTERRA AND FRONTIERS RUNNING THE 4.0 V6. A CLASS ACTION LAWSUIT WAS FILED BY OWNERS OF THE SAME YEAR XTERRAS BUT IT ONLY RECOGNIZED IN A FEW STATES. PLEASE INVESTIGATE AND DEEM A RECALL BEFORE TOO MANY MORE XTERRAS BLOW THEIR ENGINES OR HAVE OTHER ISSUES DUE TO A KNOWN ISSUE, NISSAN HAS ADMITTED THEY KNOW OF THIS ISSUE TOO. BELOW IS THE LINK TO SAID CLASS ACTION LAWSUIT: HTTPS://TOPCLASSACTIONS.COM/LAWSUIT-SETTLEMENTS/LAWSUIT-NEWS/827701-NISSAN-AGREES-SETTLE-TIMING-CHAIN-DEFECT-CLASS-ACTION-LAWSUIT/

NHTSA ODI #11066691

Mileage unknown · Feb 2, 2018
Engine

WE LEARNED TODAY THROUGH OUR MECHANIC THAT THE RATTLING NOISE WE'VE BEEN HEARING IS ASSOCIATED WITH THE "TIMING CHAINS." OUR MECHANIC SAYS THE REPAIR IS VERY EXPENSIVE. WE DISCOVERED ONLINE THERE WAS A RECENTLY SETTLED CLASS ACTION LAWSUIT ON THIS SAME ISSUE, BUT A RECALL BY NISSAN HAS NOT BEEN ISSUED. WHAT IS THE RECOURSE FO…

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WE LEARNED TODAY THROUGH OUR MECHANIC THAT THE RATTLING NOISE WE'VE BEEN HEARING IS ASSOCIATED WITH THE "TIMING CHAINS." OUR MECHANIC SAYS THE REPAIR IS VERY EXPENSIVE. WE DISCOVERED ONLINE THERE WAS A RECENTLY SETTLED CLASS ACTION LAWSUIT ON THIS SAME ISSUE, BUT A RECALL BY NISSAN HAS NOT BEEN ISSUED. WHAT IS THE RECOURSE FOR OTHERS WHO ONLY RECENTLY LEARNED OF THIS PROBLEM AND ARE NOW FACING HIGH REPAIR COSTS?

NHTSA ODI #11066666

106,000 miles · Jan 19, 2018
Engine

TL* THE CONTACT OWNS A 2006 NISSAN XTERRA. THE CONTACT STATED THAT THE CHECK ENGINE INDICATOR ILLUMINATED WITH CODE: PO463. THE CONTACT CALLED TWO DEALERS (NATIONWIDE NISSAN, 2085 YORK RD, TIMONIUM, MD 21093) AND (ANTWERPEN NISSAN, 11405 REISTERSTOWN RD, OWINGS MILLS, MD 21117) AND WAS INFORMED THAT THERE WERE NO OPEN RECALLS ON…

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TL* THE CONTACT OWNS A 2006 NISSAN XTERRA. THE CONTACT STATED THAT THE CHECK ENGINE INDICATOR ILLUMINATED WITH CODE: PO463. THE CONTACT CALLED TWO DEALERS (NATIONWIDE NISSAN, 2085 YORK RD, TIMONIUM, MD 21093) AND (ANTWERPEN NISSAN, 11405 REISTERSTOWN RD, OWINGS MILLS, MD 21117) AND WAS INFORMED THAT THERE WERE NO OPEN RECALLS ON THE VEHICLE. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE AND OPENED CASE NUMBER: [XXX]. NO FURTHER ASSISTANCE WAS PROVIDED. THE FAILURE MILEAGE WAS APPROXIMATELY 106,000. *TT INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #11063765

118,000 miles · Jan 17, 2018
Fuel/propulsion System

FUEL LEVEL SENSOR FAIL, CAUSING ERRATIC AND INACCURATE FUEL GAUGE READINGS AND THE CHECK ENGINE LIGHT IS ON.

NHTSA ODI #11063225

130,000 miles · Dec 18, 2017
Power Train

WHILE DRIVING ON THE HIGHWAY THE TRANSMISSION FAILED. NO WARNING, JUST CHECK ENGINE LIGHT AND THE TRANSMISSION WOULDN'T GO ABOVE 30 MILES PER HOUR WITHOUT CUTTING OFF THE CAR COMPLETELY. HAD TO BE TOWED. AFTER TROUBLESHOOTING PROBLEM THE RADIATOR ON TRANSMISSION FAILED. COME ISSUE FOR THIS VEHICLE, JUST AS NOTED IN THE SAFET…

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WHILE DRIVING ON THE HIGHWAY THE TRANSMISSION FAILED. NO WARNING, JUST CHECK ENGINE LIGHT AND THE TRANSMISSION WOULDN'T GO ABOVE 30 MILES PER HOUR WITHOUT CUTTING OFF THE CAR COMPLETELY. HAD TO BE TOWED. AFTER TROUBLESHOOTING PROBLEM THE RADIATOR ON TRANSMISSION FAILED. COME ISSUE FOR THIS VEHICLE, JUST AS NOTED IN THE SAFETY RECALL A FEW YEARS AGO BUT NISSAN IS NO LONGER SUPPORTING THEIR CUSTOMERS FOR THIS SAFETY ISSUE. WELL, AFTER $3700, MY TRANSMISSION IS REBUILT WITH NEW RADIATOR. NISSAN SHOULD HAVE COVERED THIS SAFETY ISSUE.. I WAS IN TRAFFIC ON A HIGHWAY AND THE TRANSMISSION FAILED, IT WAS VERY STRESSFUL AND UNSAFE FOR ME TO CHANGE LANES AND PULL OVER ON A HIGHWAY THAT HAS A 70 MPH LIMIT AND I WAS IN THE MIDDLE LANE. EVEN THOUGH I PUT MY FLASHER ON TRAFFIC WAS VERY HEAVY AND IT WAS TRULY UNSAFE FOR NOT ONLY MYSELF BUT MY PASSENGERS AND THOSE CARS BEHIND ME THAT HAD TO SUDDENLY SLOW DOWN BECAUSE OF MY MECHANICAL TRANSMISSION FAILURE.

NHTSA ODI #11055261

Official recalls

3

10V517000 · Engine And Engine Cooling

Oct 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.

10V075000 · Fuel System, Gasoline:storage:auxillary Tank

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.

08V690000 · Air Bags:frontal

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

1

DP12004 · 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.