NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
532 reports53,000 miles · Oct 29, 2009
Fuel System, Other
THE CHECK ENGINE LIGHT ON MY 05 NISSAN FRONTIER CAME ONE LAST WEEK. AFTER CHECKING THE ERROR CODES P0463, IT SEEMS THAT THE FUEL LEVEL SENOR IS MALFUNCTIONING. SHORTLY AFTER DISCOVERING THE PROBLEM I CONTACTED THE DEALERSHIP TO ASK ABOUT REPAIR AND COST. THE DEALERSHIP WANTED $600 FOR THE REPAIR AND THE PART WAS ON BACK ORDER, A…
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THE CHECK ENGINE LIGHT ON MY 05 NISSAN FRONTIER CAME ONE LAST WEEK. AFTER CHECKING THE ERROR CODES P0463, IT SEEMS THAT THE FUEL LEVEL SENOR IS MALFUNCTIONING. SHORTLY AFTER DISCOVERING THE PROBLEM I CONTACTED THE DEALERSHIP TO ASK ABOUT REPAIR AND COST. THE DEALERSHIP WANTED $600 FOR THE REPAIR AND THE PART WAS ON BACK ORDER, AND THEY WOULDN'T BE ABLE TO FIX IT UNTIL NEXT WEEK. TWO DAYS AFTER I CHECKED WITH THE DEALERSHIP, I WAS DRIVING HOME ON A MAJOR INTERSTATE WHEN MY TRUCK STOPPED FUNCTIONING. IN THE MIDDLE OF RUSH HOUR TRAFFIC I HAD TO COAST MY VEHICLE TO THE EMERGENCY LANE. *TR
NHTSA ODI #10290205
39,786 miles · Oct 13, 2009
Fuel System, Other
AFTER GAS TANK WENT DOWN TO 1/4 TANK, GOT A FILL UP AT A LOCAL GAS STATION. PULLED OFF AND NOTICE THAT THE GAS GAUGE WAS NOT READING THAT IT WAS FULL. AFTER RIDING A MILE THE CHECK ENGINE LIGHT CAME ON. WENT TO LOCAL DEALERSHIP THINKING I JUST NEEDED AN OIL CHANGE; THAT DID NOT SOLVE THE PROBLEM. THEN WAS CHARGED $100 FOR A DIA…
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AFTER GAS TANK WENT DOWN TO 1/4 TANK, GOT A FILL UP AT A LOCAL GAS STATION. PULLED OFF AND NOTICE THAT THE GAS GAUGE WAS NOT READING THAT IT WAS FULL. AFTER RIDING A MILE THE CHECK ENGINE LIGHT CAME ON. WENT TO LOCAL DEALERSHIP THINKING I JUST NEEDED AN OIL CHANGE; THAT DID NOT SOLVE THE PROBLEM. THEN WAS CHARGED $100 FOR A DIAGNOSTIC TEST. THE TEST CONFIRMED: REPLACEMENT OF THE FUEL PUMP ASSEMBLY RECOMMENDED AFTER THE SENDING UNIT GOES BAD. CAUSING NO READING ON GAS GAUGE EVEN AFTER GAS TANK IS FILLED IN TERMS MAKING THE CHECK ENGINE LIGHT REMAIN ON CONSISTENTLY. I BROUGHT THIS TRUCK USED STILL UNDER WARRANTY. CAME TO FIND OUT THAT THE PART ISN'T UNDER WARRANTY BUT IS A COMMON ISSUE WITH THESE MODELS FROM 2004-2007.... *TR
NHTSA ODI #10287289
67,127 miles · Sep 17, 2009
Electrical System
SERIOUS SAFETY ISSUE: AT A VERY BUSY CALIFORNIA INTERSECTION, MY VEHICLE SIMPLY QUIT RUNNING, AT WHICH POINT I WAS ABLE TO RE START SAID VEHICLE AND "LIMP" IT TO A SAFE AREA, LUCKILY I MIGHT ADD. I HAD VEHICLE TOWED TO A SERVICE FACILITY WHERE THE MECHANIC FOUND A LOSE BATTERY …
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SERIOUS SAFETY ISSUE: AT A VERY BUSY CALIFORNIA INTERSECTION, MY VEHICLE SIMPLY QUIT RUNNING, AT WHICH POINT I WAS ABLE TO RE START SAID VEHICLE AND "LIMP" IT TO A SAFE AREA, LUCKILY I MIGHT ADD. I HAD VEHICLE TOWED TO A SERVICE FACILITY WHERE THE MECHANIC FOUND A LOSE BATTERY CONNECTION IN WHICH HE THOUGHT HE SOLVED THE MECHANICAL PROBLEM. THE NEXT DAY TRAVELING DOWN HWY 50 IN THE SIERRA MOUNTAINS AT 65 MPH THE VEHICLE STOPPED RUNNING AGAIN AND I WAS LUCKY ENOUGH TO HAVE AN EXIT NEARBY THAT I SAFELY COASTED THE DEAD VEHICLE INTO. HAD VEHICLE TOWED TO A DIFFERENT MECHANIC. HE FOUND A FAULTY IPDM ( INTELLIGENT POWER DISTRIBUTION MODULE ). UPON HIS RESEARCH AND MINE, THIS IS AN ONGOING PROBLEM IN WHICH NISSAN IS NOT RESPONDING TO. IT SHOULD BE SAFETY ISSUE AND BE RECALLED BY NISSAN AND THE REPAIR SHOULD BE PERFORMED AT NO CHARGE FROM A NISSAN DEALERSHIP. IF YOU WERE TO GOOGLE : "IPDM PROBLEM NISSAN " YOU WILL FIND FURTHER DATA. PLEASE REVIEW, AND THANKS FOR LISTENING....*TR
NHTSA ODI #10284400
66,665 miles · Sep 16, 2009
Fuel System, Gasoline
I HAD 1/4 OF A TANK OF GAS AND WENT TO FILL UP. AFTER FILLING UP MY GAS TANK, I TURNED ON THE CAR, AT WHICH POINT THE NEEDLE DID NOT REGISTER THE FULL TANK NOR MY DIGITAL FUEL SENSOR ON THE DASHBOARD. AFTER DRIVING A COUPLE MILES, THE CHECK ENGINE LIGHT CAME ON. I WENT DIRECTLY TO THE DEALER AND WAS TOLD THAT IT WAS A FUEL SEND…
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I HAD 1/4 OF A TANK OF GAS AND WENT TO FILL UP. AFTER FILLING UP MY GAS TANK, I TURNED ON THE CAR, AT WHICH POINT THE NEEDLE DID NOT REGISTER THE FULL TANK NOR MY DIGITAL FUEL SENSOR ON THE DASHBOARD. AFTER DRIVING A COUPLE MILES, THE CHECK ENGINE LIGHT CAME ON. I WENT DIRECTLY TO THE DEALER AND WAS TOLD THAT IT WAS A FUEL SENDING UNIT/SENSOR AND THAT IT WAS NO LONGER COVERED AFTER 30K MILES. AFTER RETURNING HOME AND DOING RESEARCH, I WENT ONLINE TO X.NISSANHELP.COM AFTER PERFORMING A SEARCH, I CAME ACROSS MANY OTHERS WHO HAVE EXPERIENCED THE SAME PROBLEM. APPARENTLY IT HAS SOMETHING TO DO WITH THE FUEL SENDING UNIT. A SIMILAR PROBLEM WAS FOUND ON THE 2000-2004 XTERRA MODELS AND A RECALL WAS PERFORMED WHEN THE VEHICLE WOULD STOP AFTER NOT GETTING ANY FUEL, POSING A GREAT DANGER. IT SEEMS THAT SOMETHING IN THE UNIT IS FAULTY AND WILL CORRODE OVER TIME. THERE IS A GENERAL CONSENSUS THAT EVERYONE WHO IS HAVING THE PROBLEM IS EXPERIENCING THE SAME THING AFTER HAVING THE VEHICLE FOR OVER 2 YRS OLD. IF THIS PROBLEM EXISTED IN PREVIOUS MODELS, AND IT WAS RECALLED, THE 2005-2007 XTERRAS, FRONTIERS, AND PATHFINDERS SHOULD BE FIXED AT NO CHARGE TO THE CUSTOMER!! WHY WAIT FOR ACCIDENTS AND POSSIBLE DEATHS, ESPECIALLY SINCE THE PROBLEM LIES IN AN INTEGRAL PART OF THE VEHICLE. COST OF REPAIR RANGES FROM $300-600." *TR
NHTSA ODI #10284186
67,000 miles · Sep 11, 2009
Electrical SystemEngine And Engine Cooling
AFTER GETTING GAS I STARTED MY 2005 NISSAN FRONTIER AND AS I ENTERED BACK ON THE HIGHWAY THE ENGINE IMMEDIATELY STALLED. THE "SERVICE ENGINE" LIGHT AND THE 4WD WARNING LIGHT CAME ON. AFTER ROLLING ABOUT 50 FT IT STARTED RUNNING NORMALLY AGAIN. I VISITED MY NISSAN DEALER ON 9/10/09 AND THEY COULD NOT FIND ANYTHING WRONG. THAT…
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AFTER GETTING GAS I STARTED MY 2005 NISSAN FRONTIER AND AS I ENTERED BACK ON THE HIGHWAY THE ENGINE IMMEDIATELY STALLED. THE "SERVICE ENGINE" LIGHT AND THE 4WD WARNING LIGHT CAME ON. AFTER ROLLING ABOUT 50 FT IT STARTED RUNNING NORMALLY AGAIN. I VISITED MY NISSAN DEALER ON 9/10/09 AND THEY COULD NOT FIND ANYTHING WRONG. THAT AFTERNOON AFTER GETTING GAS IT STALLED AFTER STARTING IT AGAIN WITH THE SAME WARNING LIGHTS ON. I COULD NOT RESTART IT. THIS TIME IT HAD TO BE TOWED TO THE DEALER. THEY FOUND THAT AN ENGINE ELECTRONIC MODULE HAD FAILED BUT WAS ON NATIONWIDE BACK-ORDER AND DID NOT KNOW WHEN IT WOULD BE REPLACED. I WAS TOLD IT WAS A LARGE PROBLEM IN 2006, 2007 AND SOME IN 2008 NISSAN FRONTIER AND TITAN TRUCKS. IF THIS ITEM IS IN NATIONWIDE BACK-ORDER IT MUST BE A MAJOR PROBLEM AND A DANGEROUS ONE IF A VEHICLE'S ENGINE STALLS WHILE IN OPERATION ON ROADS AND HIGHWAYS. *TR
NHTSA ODI #10283721
57,865 miles · Aug 26, 2009
Fuel System, Gasoline
ODDLY ENOUGH MY FUEL GAUGE STOPPED WORKING AT 58K MILES OR SO. NOW I KNOW YOU THINK SO WHAT FIX IT. WHEN I TOOK IT TO THE DEALER THEY SAID THEY SEE ALL THE TIME. SO I LOOKED ONLINE, GOOGLED NISSAN FRONTIER FUEL SENDING UNIT, AND FOUND LITERALLY 1000'S OF OWNERS WITH THE IDENTICAL PROBLEM ON DOZENS OF MESSAGE BOARDS. SO I CALLED …
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ODDLY ENOUGH MY FUEL GAUGE STOPPED WORKING AT 58K MILES OR SO. NOW I KNOW YOU THINK SO WHAT FIX IT. WHEN I TOOK IT TO THE DEALER THEY SAID THEY SEE ALL THE TIME. SO I LOOKED ONLINE, GOOGLED NISSAN FRONTIER FUEL SENDING UNIT, AND FOUND LITERALLY 1000'S OF OWNERS WITH THE IDENTICAL PROBLEM ON DOZENS OF MESSAGE BOARDS. SO I CALLED A FEW MORE DEALERS AND REPAIR SHOPS AND THEY SAID THE SAME THING THAT I HAVE READ AND HEARD; THAT THEY WERE FIXING THEM ALL THE TIME. SO I CAME TO THE CONCLUSION THAT THE PROBLEM IS SYSTEMIC TO ALL YEARS SINCE 01 FOR THE NISSAN FRONTIER AND XTERRA (THEY ARE ESSENTIALLY THE SAME VEHICLE- JUST SHAPED DIFFERENTLY). ANYWAY IF YOU CAN LIGHT A FIRE UNDER SOMEONE'S BUTT OVER THERE AT NISSAN TO INSTITUTE A RECALL I CERTAINLY WOULD APPRECIATE IT. *TR
NHTSA ODI #10281843
74,902 miles · Aug 3, 2009
Fuel System, Other
2005 NISSAN FRONTIER SHOWING ERROR CODE P0463, WHICH MEANS FAULTY FUEL LEVEL SENSOR. DRIVING ALONG AS NORMAL. STOPPED TO FILL UP. AFTER LOADING 18 GALLONS IN THE TANK THE FUEL GAUGE DID NOT MOVE. AFTER DRIVING A BIT THE GAUGE REGISTERED FULL AND THE CHECK ENGINE SOON LIGHT STAYS LIT AND THE FUEL REGISTER IS UNRELIABLE. *TR
NHTSA ODI #10279262
71,000 miles · Aug 3, 2009
Electrical SystemFuel System, Gasoline
MY 2005 NISSAN PICKUP'S FUEL GAUGE HAS STOPPED WORKING. THE GAUGE NO LONGER INDICATES GAS IN TANK EVEN WHEN FULL. THE SERVICE ENGINE LIGHT IS ON AND THE RESERVE LIGHT IS ON. *TR
NHTSA ODI #10279128
50,000 miles · Jun 13, 2009
Fuel System, Gasoline
2005 FRONTIER FUEL SENDING UNIT MESSED UP... NOT READING PROPERLY... ONLY 50,000 ON VEHICLE. *TR
NHTSA ODI #10273695
57,000 miles · Jun 9, 2009
Vehicle Speed ControlCrashInjury
TL*THE CONTACT OWNS A 2005 NISSAN FRONTIER. WHILE DRIVING 25 MPH, THE VEHICLE ACCELERATED ON ITS OWN. THE FAILURE OCCURS WHEN STOPPING OR SLOWING DOWN. THE DEALER INSPECTED THE VEHICLE, BUT COULD NOT REMEDY THE FAILURE. WHILE AT A RESTAURANT DRIVE-THRU, THE VEHICLE LUNGED FORWARD ON ITS OWN AND CRASHED INTO A PILLAR. A POLI…
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TL*THE CONTACT OWNS A 2005 NISSAN FRONTIER. WHILE DRIVING 25 MPH, THE VEHICLE ACCELERATED ON ITS OWN. THE FAILURE OCCURS WHEN STOPPING OR SLOWING DOWN. THE DEALER INSPECTED THE VEHICLE, BUT COULD NOT REMEDY THE FAILURE. WHILE AT A RESTAURANT DRIVE-THRU, THE VEHICLE LUNGED FORWARD ON ITS OWN AND CRASHED INTO A PILLAR. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED INJURIES TO HIS RIGHT KNEE AND BACK. HE TOOK THE VEHICLE BACK TO THE DEALER AND IS WAITING FOR THE MANUFACTURER TO DECIDE IF THEY WILL REPAIR THE VEHICLE. THE CURRENT MILEAGE WAS 62,200 AND FAILURE MILEAGE WAS 57,000.
NHTSA ODI #10273210
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.
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
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.