IllustrationTRANSMISSION TCM FRIED BY COOLANT
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 →How this year compares
Owner complaints by model year
Compare all Frontier years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
320–25K
11025–50K
10750–75K
12075–100K
150100–150K
40150K+
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
What owners actually said
617 reportsRADIATOR/COOLANT HAS MIXED INTO TRANSMISSION FLUID CAUSING TRANSMISSION FAILURE.
THE FUEL SENSOR IS NOT RELAYING ACCURATE FUEL LEVELS. WHEN VEHICLE IS NEAR EMPTY TANK THE TANK FUEL GAUGE WILL OFTEN STILL READ 1/4 TANK LEVEL. THE CHECK ENGINE LIGHT REMAINS ON WHICH CODES ALERTED ON DIAGNOSTICS RELAY BACK TO THE SENSOR ISSUE. THE PROBLEMS IS NOW WORSENING WHERE EVEN AT FULL TANK THE GAUGE WILL SOMETIMES INDICA…
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THE FUEL SENSOR IS NOT RELAYING ACCURATE FUEL LEVELS. WHEN VEHICLE IS NEAR EMPTY TANK THE TANK FUEL GAUGE WILL OFTEN STILL READ 1/4 TANK LEVEL. THE CHECK ENGINE LIGHT REMAINS ON WHICH CODES ALERTED ON DIAGNOSTICS RELAY BACK TO THE SENSOR ISSUE. THE PROBLEMS IS NOW WORSENING WHERE EVEN AT FULL TANK THE GAUGE WILL SOMETIMES INDICATE EMPTY WITH FUEL ALERT LIGHT ON AND TANK JUST TOPPED OFF. THE IMPROPER FUEL INDICATION HAS CAUSED THE VEHICLE TO RUN OUT OF FUEL SEVERAL MILES FROM A GAS STATION WHILE STILL SHOWING 1/4 TANK LEVEL. THIS CAN BE VERY DANGEROUS AS BEING STRANDED IN NC IN PEAK OF SUMMER TEMPS OUTSIDE CAN REACH OVER 100 DEGREES. FURTHERMORE STALLING OUT FOR LACK OF FUEL IN BUSY CITY TRAFFIC OR SHARP TURN ON HIGHWAY AT 60-70 MHP CAN LEAD TO A VERY DANGEROUS ACCIDENT.
2006 NISSAN FRONTIER - A DEFECT THAT PERMITS CROSS-CONTAMINATION OF ENGINE COOLANT AND TRANSMISSION FLUID, ULTIMATELY CAUSING THE RADIATOR AND TRANSMISSION TO NEED SUBSTANTIAL REPAIRS OR FAIL ENTIRELY. THE TRUCK WAS IN MOTION ON A HIGHWAY. WHEN ACCELERATING THE TRANSMISSION DID NOT DOWNSHIFT - IT FELT AS IF THE TRANSMISSION WE…
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2006 NISSAN FRONTIER - A DEFECT THAT PERMITS CROSS-CONTAMINATION OF ENGINE COOLANT AND TRANSMISSION FLUID, ULTIMATELY CAUSING THE RADIATOR AND TRANSMISSION TO NEED SUBSTANTIAL REPAIRS OR FAIL ENTIRELY. THE TRUCK WAS IN MOTION ON A HIGHWAY. WHEN ACCELERATING THE TRANSMISSION DID NOT DOWNSHIFT - IT FELT AS IF THE TRANSMISSION WENT INTO NEUTRAL.
BOUGHT A 2006 FRONTIER A YEAR AGO, I WAS UNAWARE OF THE MAJOR DEFECT THEY WERE HAVING WITH THE RADIATOR CRACKING AND MIXING COOLANT WITH TRANNY FLUID. NOW MY TRANSMISSION IS SHOT WITH NO WARNING AND I'LL BE OUT 4/5K !! IT WENT OUT AS I WAS TRYING TO TURN LEFT AND ON COMING TRAFFIC WAS COMING AT ME. I COULD NOT ACCELERATE AS OBVI…
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BOUGHT A 2006 FRONTIER A YEAR AGO, I WAS UNAWARE OF THE MAJOR DEFECT THEY WERE HAVING WITH THE RADIATOR CRACKING AND MIXING COOLANT WITH TRANNY FLUID. NOW MY TRANSMISSION IS SHOT WITH NO WARNING AND I'LL BE OUT 4/5K !! IT WENT OUT AS I WAS TRYING TO TURN LEFT AND ON COMING TRAFFIC WAS COMING AT ME. I COULD NOT ACCELERATE AS OBVIOUSLY WITHOUT A TRANSMISSION YOUR CAR WONT GO INTO GEAR, JUST A SITTING DUCK WITH ONCOMING TRAFFIC BARING DOWN. THANKFULLY THE PEOPLE SPEEDING TOWARDS ME SEEN ME BEFORE I WAS SMASHED INTO AND POSSIBLY KILLED.
TRANSMISSION PROBLEM COOLANT MIX WITH OIL
TL* THE CONTACT OWNS A 2006 NISSAN FRONTIER. WHILE DRIVING 25 MPH, THE VEHICLE FAILED TO ACCELERATE WITHOUT WARNING. IN ADDITION, THE VEHICLE SLOWED DOWN AND THE CONTACT WAS ABLE TO DRIVE BACK HOME. THE LOCAL DEALER WAS NOT CONTACTED OR MADE AWARE OF THE FAILURE. THE VEHICLE WAS DIAGNOSED BY AN INDEPENDENT MECHANIC WHO DIAGNOSED…
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TL* THE CONTACT OWNS A 2006 NISSAN FRONTIER. WHILE DRIVING 25 MPH, THE VEHICLE FAILED TO ACCELERATE WITHOUT WARNING. IN ADDITION, THE VEHICLE SLOWED DOWN AND THE CONTACT WAS ABLE TO DRIVE BACK HOME. THE LOCAL DEALER WAS NOT CONTACTED OR MADE AWARE OF THE FAILURE. THE VEHICLE WAS DIAGNOSED BY AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE RADIATOR FLUID SPILLED INTO THE TRANSMISSION. THE RADIATOR WAS REPLACED; HOWEVER, THE RADIATOR FLUID CONTAMINATED THE TRANSMISSION AND FLUID, WHICH CAUSED THE TRANSMISSION TO FAIL. THE VEHICLE WAS DIAGNOSED THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER STATED THAT THE VEHICLE WAS NOT INCLUDED IN A RECALL AND DID NOT OFFER ANY ADDITIONAL ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 89,000.
PASSENGER SEAT BELT LIGHT FLASHES ON, DEALER SAYS CONNECTED TO COMPUTER UNDER PASSENGER SEAT (RESET SEVERAL TIMES), LIGHT STILL FLASHES, DEALERSHIP SERVICE SAYS PROBLEM WITH SEAT SENSOR AND NOT SURE IF AIR BAG ON PASSENGER SIDE WILL WORK OR DEFECTIVE (WANT $800 TO $3,000 TO DIAGNOSE-FIX-REPLACE), NISSAN CORPORATE REFUSES TO FIX …
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PASSENGER SEAT BELT LIGHT FLASHES ON, DEALER SAYS CONNECTED TO COMPUTER UNDER PASSENGER SEAT (RESET SEVERAL TIMES), LIGHT STILL FLASHES, DEALERSHIP SERVICE SAYS PROBLEM WITH SEAT SENSOR AND NOT SURE IF AIR BAG ON PASSENGER SIDE WILL WORK OR DEFECTIVE (WANT $800 TO $3,000 TO DIAGNOSE-FIX-REPLACE), NISSAN CORPORATE REFUSES TO FIX (SAYS OUT OF WARRANTY), TECHNICIAN UNABLE TO SAY IF AIR BAG WILL DEPLOY IN AN ACCIDENT, SERVICE MANAGER I DEAL WITH TOLD ME SHE HAD SEEN AT LEAST 10 SIMILAR PROBLEMS WITH SIMILAR VEHICLES (X 8 SERVICE WRITERS MEANS AT THAT DEALERSHIP ALONE THEY HAVE HAD AT LEAST 80 COMPLAINTS IN A MONTH OF THE SAME NATURE X ALL DEALERSHIPS??), NISSAN CORPORATE SENT ME A $250 GIFT CARD FOR OTHER SERVICES AT THE DEALERSHIP BUT REFUSES TO ACKNOWLEDGE OR ADDRESS OR ATTEMPT TO FIX A PROBLEM THEY ADMIT THEY KNOW THEY HAVE (AND I AM ONLY REFERRING TO NISSAN FRONTIERS - NOT ALL OTHER NISSAN VEHICLES). MAY BE A PROBLEM WITH THE AIR BAG OR A PROBLEM WITH THE COMPUTER OR A PROBLEM WITH THE SEAT SENSOR OR AN ELECTRICAL ISSUE.
TRANSMISSION FAILURE CAUSED BY LEAKING FLUID COOLER IN RADIATOR AT 114000 MILES. 8000 DOLLAR REPAIR ESTIMATE IS OVER TRADE IN COST OF VEHICLE. THIS CAUSED TRUCK TO STALL ON FREEWAY, ENDANGERING OCCUPANTS.
TL* THE CONTACT OWNS A 2006 NISSAN FRONTIER. WHILE DRIVING 25 MPH, THE GEAR FAILED TO WORK WITHOUT WARNING. THE CONTACT WAS ABLE TO PARK THE VEHICLE. THE VEHICLE WAS TOWED TO THE LOCAL DEALER (YOUNKER NISSAN LOCATED AT 3401 E VALLEY RD, RENTON, WA 98057; (425) 251-8100) WHERE IT WAS DIAGNOSED THAT THE TRANSMISSION AND THE RADIAT…
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TL* THE CONTACT OWNS A 2006 NISSAN FRONTIER. WHILE DRIVING 25 MPH, THE GEAR FAILED TO WORK WITHOUT WARNING. THE CONTACT WAS ABLE TO PARK THE VEHICLE. THE VEHICLE WAS TOWED TO THE LOCAL DEALER (YOUNKER NISSAN LOCATED AT 3401 E VALLEY RD, RENTON, WA 98057; (425) 251-8100) WHERE IT WAS DIAGNOSED THAT THE TRANSMISSION AND THE RADIATOR NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 132,000.
Official recalls
410V517000 · 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
2DP26003 · 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.