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2006 Nissan Frontier

Owner reports · Recalls · Investigations

More warning signs than most Frontier years

Owner complaints for the 2006 Nissan Frontier are substantially higher than the model-year median of 64.

About this comparison →

When problems were reported

Mileage at the reported incident

559 reports with mileage · 58 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 220 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 174 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 82 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

13 crash reports2 fire reports10 injury reports

Power Train complaints

220 reports
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75,000 miles · May 20, 2011
Power Train

RADIATOR LEAKING FLUID INTO TRANSMISSION CAUSING TRANSMISSION TO WORK IMPROPERLY AND CAUSING VEHICLE TO JERK AND BECOME UNSAFE. TOOK TO DEALER IN AUGUST 2010 AND DEALER SAID THERE WAS NO PROBLEM. I DO HAVE SERVICE RECORD STATING THIS. TOOK BACK TO DEALER AS PROBLEM PERSISTED AND NOW DEALER SAYS I NEED A NEW TRANSMISSION THAT, OF…

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RADIATOR LEAKING FLUID INTO TRANSMISSION CAUSING TRANSMISSION TO WORK IMPROPERLY AND CAUSING VEHICLE TO JERK AND BECOME UNSAFE. TOOK TO DEALER IN AUGUST 2010 AND DEALER SAID THERE WAS NO PROBLEM. I DO HAVE SERVICE RECORD STATING THIS. TOOK BACK TO DEALER AS PROBLEM PERSISTED AND NOW DEALER SAYS I NEED A NEW TRANSMISSION THAT, OF COURSE IS NO LONGER COVERED BY ANY WARRANTY. NISSAN WAS AWARE OF THIS PROBLEM AND ISSUED A SERVICE BULLETIN TO REPLACE RADIATORS, BUT DID NOT NOTIFY OWNERS. ALSO, DEALER AND COMPANY WILL NOT GIVE ME ANSWER TO PROBLEM EVEN THOUGH I HAVE ASKED REPEATEDLY. PLEASE HELP.

NHTSA ODI #10403180

130,000 miles · May 20, 2011
Power Train

TL*THE CONTACT OWNS A 2006 NISSAN FRONTIER. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 40 MPH THE VEHICLE WOULD START LUNGING FORWARD AND THE GEARS WERE SLIPPING. THE VEHICLE EVENTUALLY STALLED AND THEN TOWED TO A INDEPENDENT MECHANIC. THEY ADVISED HIM THAT THE TRANS COOLANT LINE HAD RUPTURED INSIDE THE RADIATOR CAUSING THE…

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TL*THE CONTACT OWNS A 2006 NISSAN FRONTIER. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 40 MPH THE VEHICLE WOULD START LUNGING FORWARD AND THE GEARS WERE SLIPPING. THE VEHICLE EVENTUALLY STALLED AND THEN TOWED TO A INDEPENDENT MECHANIC. THEY ADVISED HIM THAT THE TRANS COOLANT LINE HAD RUPTURED INSIDE THE RADIATOR CAUSING THE TRANSMISSION TO DIE. THE VEHICLE WAS REPAIRED FOR THE TRANSMISSION AND THE RADIATOR. THE MANUFACTURER WAS CONTACTED AND THEY OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 130,000.

NHTSA ODI #10402178

60,500 miles · Feb 24, 2011
Power Train

PARK BRAKE FAILED DUE TO LEAK OF LEFT REAR AXLE SEAL, SUBSEQUENT BEARING DAMAGE ~MAY 2010 @ 60,500MILES, THEN NOTICED LEAK OF RIGHT REAR AXLE SEAL FEBRUARY 2011 WHEN CHANGING BRAKES @ 66,000MILES WITH REPEAT DECLINE IN PARKING BRAKE PERFORMANCE. *TR

NHTSA ODI #10384405

47,000 miles · Jan 21, 2011
Fuel System, GasolinePower TrainTires

TL*THE CONTACT OWNS A 2006 NISSAN FRONTIER. THE CONTACT STATED THAT AFTER RECEIVING A RECALL NOTICE IN REFERENCE TO NHTSA CAMPAIGN ID NUMBER (10V075000-FUEL SYSTEM, GASOLINE:STORAGE:AUXILIARY TANK). THE VEHICLE WAS TAKEN INTO THE DEALER TO BE REPAIRED; HOWEVER, IMMEDIATELY AFTER LEAVING THE DEALER THE FAILURE RECURRED. HE ALSO S…

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TL*THE CONTACT OWNS A 2006 NISSAN FRONTIER. THE CONTACT STATED THAT AFTER RECEIVING A RECALL NOTICE IN REFERENCE TO NHTSA CAMPAIGN ID NUMBER (10V075000-FUEL SYSTEM, GASOLINE:STORAGE:AUXILIARY TANK). THE VEHICLE WAS TAKEN INTO THE DEALER TO BE REPAIRED; HOWEVER, IMMEDIATELY AFTER LEAVING THE DEALER THE FAILURE RECURRED. HE ALSO STATED THAT THE TIRE PRESSURE SENSOR GAUGE HAD MALFUNCTIONED SINCE THE DAY THAT THE VEHICLE WAS PURCHASED. THE WARNING LIGHT ILLUMINATED ON THE INSTRUMENTAL PANEL. THE VEHICLE WAS INSPECTED BY A DEALER WHO INFORMED THE CONTACT THAT THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE TRANSMISSION ALSO FAILED WHEN THE VEHICLE STALED AND HE WAS UNABLE TO GET IT RESTARTED. THE VEHICLE WAS INSPECTED BY A DEALER WHO REPLACED THE TRANSMISSION. THE FAILURE MILEAGE WAS APPROXIMATELY 47,000.

NHTSA ODI #10378162

89,079 miles · Jan 11, 2011
Power Train

RADIATOR ASSEMBLY LEAKED ENGINE COOLANT INTO THE AUTOMATIC TRANSMISSION. CAUSING THE TRANSMISSION COMPUTER TO BE DESTROYED AND TO CEASE FUNCTIONING. MY VEHICLE HAD TO BE TOWED, TRANSMISSION REBUILT,AND HAVE A HEAVY DUTY TRANSMISSION BYPASS COOLER INSTALLED.

NHTSA ODI #10377225

33,000 miles · Jan 3, 2011
Power Train

REAR AXLE SEAL LEAK MAY CONTAMINATE BRAKES WITH LEAK GEAR OIL. SEALS WERE REPLACED AT 33,000 MILES AND NOW LEAKING AGAIN AT 63,000 MILES. *TR

NHTSA ODI #10373898

34,000 miles · Dec 18, 2010
Power Train

2006 NISSAN FRONTIER MANUAL SHIFT 5 SPEED 4 CYLINDER - CLUTCH ASSEMBLY WENT BAD AT 34,000 MILES. NOW AT 60,000 MILES CLUTCH IS BAD AGAIN. DIFFERENT DRIVER. I HAVE DRIVEN A CLUTCH ALL MY ADULT LIFE (55). NEVER HAD THIS PROBLEM BEFORE WITH ANY OTHER VEHICLE. NUMEROUS INSTANCES IN INTERNET FORUMS OF SIMILAR REPORTS. *TR

NHTSA ODI #10371166

100,000 miles · Dec 17, 2010
Power Train

TL*THE CONTACT OWNS A 2006 NISSAN FRONTIER. WHILE STOPPED AT A LIGHT, THE CONTACT TRIED TO APPLY PRESSURE TO THE ACCELERATOR PEDDLE BUT THE VEHICLE WOULD NOT ACCELERATE. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE CONTACT WAS INFORMED THAT THERE WAS A LEAK IN THE RADIATOR WHICH DAMAGED THE TRANSMISSION. THE TECHNI…

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TL*THE CONTACT OWNS A 2006 NISSAN FRONTIER. WHILE STOPPED AT A LIGHT, THE CONTACT TRIED TO APPLY PRESSURE TO THE ACCELERATOR PEDDLE BUT THE VEHICLE WOULD NOT ACCELERATE. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE THE CONTACT WAS INFORMED THAT THERE WAS A LEAK IN THE RADIATOR WHICH DAMAGED THE TRANSMISSION. THE TECHNICIAN STATED THE TRANSMISSION NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE WAS 100,000.

NHTSA ODI #10371037

72,000 miles · Oct 8, 2010
Power Train

BOTH REAR AXLE SEALS LEAKED AT 70K MILES. PINION SEAL ALSO LEAKS. OIL LEAKED ALL OVER BRAKES SYSTEM. WAS TOLD THAT IF NOT CAUGHT IN TIME THE ENTIRE REAR AXLE WOULD HAVE TO BE REPLACED. FIRST AND LAST NISSAN I WILL BUY. *TR

NHTSA ODI #10359855

80,000 miles · Oct 6, 2010
Power Train

2006 NISSAN FRONTIER REAR BRAKE FAILURE DUE TO LEAK IN THE REAR AXLE SHAFT. THE SEALS IN THE REAR AXLE FAILED ALLOWING OIL TO COMPLETELY COAT THE REAR BRAKES ON BOTH SIDES RENDERING THEM ESSENTIALLY USELESS. REPAIR REQUIRED COMPLETE REPLACEMENT OF REAR AXLE SHAFT SINCE NISSAN WILL NOT REPLACE JUST THE SEALS. HAD REPAIR COMPLE…

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2006 NISSAN FRONTIER REAR BRAKE FAILURE DUE TO LEAK IN THE REAR AXLE SHAFT. THE SEALS IN THE REAR AXLE FAILED ALLOWING OIL TO COMPLETELY COAT THE REAR BRAKES ON BOTH SIDES RENDERING THEM ESSENTIALLY USELESS. REPAIR REQUIRED COMPLETE REPLACEMENT OF REAR AXLE SHAFT SINCE NISSAN WILL NOT REPLACE JUST THE SEALS. HAD REPAIR COMPLETED BY THE SAME DEALERSHIP THAT I PURCHASED THE TRUCK FROM. NISSAN PAID A PORTION, BUT IT DIDN'T EVEN COVER HALF OF THE PARTS, LET ALONE THE LABOR. I FOOTED THE MAJORITY OF THE BILL. *TR

NHTSA ODI #10359486

Official recalls

4

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.

06V092000 · Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

Mar 30, 2006

ON CERTAIN KING CAB TRUCKS, IN A SEVERE SIDE IMPACT CRASH, THERE IS A POSSIBILITY THAT DEFORMATION OF THE VEHICLE'S BODY COULD CAUSE THE FUEL FILLER CAP TETHER TO BE STRETCHED TO THE POINT OF UNSCREWING THE FUEL FILLER CAP.

Consequence & remedy

Consequence: THIS MAY RESULT IN A FUEL SPILL WHICH IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.

Remedy: DEALERS WILL REPLACE THE FUEL CAP TETHER PIN ASSEMBLY WITH A MODIFIED ONE FREE OF CHARGE. THE RECALL BEGAN ON APRIL 24, 2006. 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

2

DP26003 · Fuel Smell And Loss Of Motive Power

Opened Mar 30, 2026 · No close date supplied

Status: open (inferred from source dates) · Engine And Engine Cooling; Fuel System, Gasoline

The Office of Defects Investigation (ODI) received a Petition dated February 5, 2026, requesting an investigation into model year (MY) 2006 Nissan Frontier vehicles. The Petitioner alleges that the vehicle poses an imminent fire hazard due to “[a] powerful and persistent odor of raw gasoline” that he says “emanates from the vehicle” and “indicat[es] a breach in fuel system integrity.” He further alleges that the vehicles can experience sudden engine stalling “during startup and operation,” which he believes could cause collisions or loss of vehicle control. The Petitioner further alleges these symptoms are identical to conditions addressed in previous NHTSA recalls (10V-517, 07V-435, and 10V-075) and that the issues persist in the 2006 MY Nissan fleet despite these past actions. ODI is opening this Defect Petition to evaluate the Petitioner’s allegations and determine whether to grant or deny the Petition.  The Petition can be viewed at NHTSA.gov under NHTSA Number 11718552.

Additional source detail variants (2)

Engine And Engine Cooling

The Office of Defects Investigation (ODI) received a Petition dated February 5, 2026, requesting an investigation into model year (MY) 2006 Nissan Frontier vehicles. The Petitioner alleges that the vehicle poses an imminent fire hazard due to “[a] powerful and persistent odor of raw gasoline” that he says “emanates from the vehicle” and “indicat[es] a breach in fuel system integrity.” He further alleges that the vehicles can experience sudden engine stalling “during startup and operation,” which he believes could cause collisions or loss of vehicle control. The Petitioner further alleges these symptoms are identical to conditions addressed in previous NHTSA recalls (10V-517, 07V-435, and 10V-075) and that the issues persist in the 2006 MY Nissan fleet despite these past actions. ODI is opening this Defect Petition to evaluate the Petitioner’s allegations and determine whether to grant or deny the Petition.  The Petition can be viewed at NHTSA.gov under NHTSA Number 11718552.

Fuel System, Gasoline

The Office of Defects Investigation (ODI) received a Petition dated February 5, 2026, requesting an investigation into model year (MY) 2006 Nissan Frontier vehicles. The Petitioner alleges that the vehicle poses an imminent fire hazard due to “[a] powerful and persistent odor of raw gasoline” that he says “emanates from the vehicle” and “indicat[es] a breach in fuel system integrity.” He further alleges that the vehicles can experience sudden engine stalling “during startup and operation,” which he believes could cause collisions or loss of vehicle control. The Petitioner further alleges these symptoms are identical to conditions addressed in previous NHTSA recalls (10V-517, 07V-435, and 10V-075) and that the issues persist in the 2006 MY Nissan fleet despite these past actions. ODI is opening this Defect Petition to evaluate the Petitioner’s allegations and determine whether to grant or deny the Petition.  The Petition can be viewed at NHTSA.gov under NHTSA Number 11718552.

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.