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2005 Infiniti QX56

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2005 Infiniti QX56 do not stand out strongly from the model-year median of 55.

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When problems were reported

Mileage at the reported incident

71 reports with mileage · 9 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.

  • Service Brakes. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

2 crash reports0 fire reports2 injury reports

Engine And Engine Cooling complaints

3 reports
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45,000 miles · Oct 13, 2014
Electrical SystemEngine And Engine CoolingExterior Lighting

THIS LETTER IS IN REFERENCE TO A PREVIOUS COMPLAINT FILED WITH INFINITI CONSUMER AFFAIRS ON DECEMBER 3, 2009, REGARDING MY VEHICLE SHUTTING COMPLETELY DOWN, STALLED OUT, NOT MOVING IN THE DRIVE OR REVERSE POSITION AT A BUSY INTERSECTION ON A RAINY STORMY EVENING. THIS OCCURRENCE COULD HAVE CAUSED A SERIOUS ACCIDENT OR WORSE, A F…

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THIS LETTER IS IN REFERENCE TO A PREVIOUS COMPLAINT FILED WITH INFINITI CONSUMER AFFAIRS ON DECEMBER 3, 2009, REGARDING MY VEHICLE SHUTTING COMPLETELY DOWN, STALLED OUT, NOT MOVING IN THE DRIVE OR REVERSE POSITION AT A BUSY INTERSECTION ON A RAINY STORMY EVENING. THIS OCCURRENCE COULD HAVE CAUSED A SERIOUS ACCIDENT OR WORSE, A FATALITY. AS A RESULT OF POLICE ASSISTANCE AND HAVING MY VEHICLE TOWED DIRECTLY TO THE DEALERSHIP, TO DATE THERE ARE NO MECHANICAL ISSUES FOUND BY THE DEALER RELATED TO MY VEHICLE SHUTTING DOWN AT THE INTERSECTION. MY COMPLAINT CONTAINS ADDITIONAL SERIOUS VEHICLE ISSUES REGARDING MY HEADLIGHTS, INSTRUMENT CLUSTER/PANEL, AND THE FUSE BOX UNDER THE HOOD. BOTH HEADLIGHTS ON MY VEHICLE SUDDENLY STOPPED WORKING AT THE SAME TIME. THE BULBS WERE REPLACED AND THE HEADLIGHT FUSES WERE FOUND TO BE FUNCTIONING. THE INSTRUMENT PANEL/CLUSTER LIGHT BLINKS CONSTANTLY AS I DRIVE AND THE PANEL/CLUSTER GAUGES ARE COMPLETELY NOT FUNCTIONING PROPERLY. FUSES HAVE BEEN CHECKED UNDER THE VEHICLE?S HOOD AND RESULTS INDICATE SOME OF THE 10 AMP FUSES ARE NOT FUNCTIONING AT ALL. I AM CONCERNED THAT THERE SHOULD HAVE BEEN A SAFETY RECALL REGARDING MY 2005 INFINITI QX 56, WHICH APPEARS TO JEOPARDIZE MY SAFETY. THERE ARE NO LEGITIMATE ANSWERS OR EXPLANATIONS AS TO WHY MY VEHICLE?S HEADLIGHTS ARE NOT WORKING, THE CLUSTER/PANEL HAS MALFUNCTIONED, OR WHY SOME FUSES UNDERNEATH MY VEHICLE?S HOOD ARE NOT FUNCTIONING. AS A RESULT OF MY VEHICLE?S EXPIRED WARRANTY AND MECHANICAL FAILURES, I HAVE CONSUMED A GREAT DEAL OF OUT-OF-POCKET EXPENSES, INCLUDING A TRAFFIC CITATION REGARDING MY HEADLIGHTS. I AM LIMITED AND INCONVENIENCED TO DRIVING MY VEHICLE AT NIGHT AS A RESULT OF MY INOPERABLE HEADLIGHTS WHICH CAN CAUSE ME GREAT HARM. I AM REQUESTING THAT MY SITUATION BE GIVEN SERIOUS IMMEDIATE ATTENTION AND RESOLUTION. UPDATED 01/21/15

NHTSA ODI #10644210

118,813 miles · Sep 17, 2013
Engine And Engine CoolingPower Train

A 2005 INFINITY QX56 WAS BEING DRIVEN AT 35 MPH ON A TWO LANE ROAD WHEN THE AUTOMATIC TRANSMISSION COOLER RUPTURED INSIDE THE RADIATOR RELEASING THE ATF FLUID INTO THE RADIATOR. THE TRANSMISSION WAS LOSING ATF THROUGH THE RADIATOR'S PRESSURE RELIEF POINTS AN LOST THE ABILITY TO PROPEL THE CAR WITHIN ONE BLOCK. THE CAR WAS DRIVE…

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A 2005 INFINITY QX56 WAS BEING DRIVEN AT 35 MPH ON A TWO LANE ROAD WHEN THE AUTOMATIC TRANSMISSION COOLER RUPTURED INSIDE THE RADIATOR RELEASING THE ATF FLUID INTO THE RADIATOR. THE TRANSMISSION WAS LOSING ATF THROUGH THE RADIATOR'S PRESSURE RELIEF POINTS AN LOST THE ABILITY TO PROPEL THE CAR WITHIN ONE BLOCK. THE CAR WAS DRIVEN INTO A NEARBY DRIVE AND WAS UNABLE TO MOVE AFTER THAT POINT. THE RUPTURE COULD HAVE LEAD TO A CRASH SITUATION. THE SECOND PART OF INCIDENT IS THE COOLANT CONTAMINATED THE TRANSMISSION AND CAUSED A SHORT TERM FRICTION MATERIAL FAILURE 4 MONTHS LATER. THE RADIATOR WAS REPLACED AND TRANSMISSION CLEANED AND FLUSHED. THE TRANSMISSION WORKED UNTIL AUGUST 20, 2013. THE TRANSMISSION LOST CONTACT WITH 5TH BAND AT 60 MPH ON A INTERSTATE AND WAS NO LONGER PROPELLING THE CAR. A SHIFT INTO THE 4TH BAND GOT THE CAR OFF THE ROAD AND IT WAS TOWED FOR REPAIR. THE ANTIFREEZE HAD DISSOLVED THE FRICTION MATERIAL CONSTRUCTION AND CORRODED VALVE PARTS. IT WAS REBUILT AND THE DESTRUCTION CONFIRMED. BOTH INCIDENTS COULD EASILY HAVE CAUSED A CRASH. INFINITY SENT US NO WARNING AND SAY THERE IS NO PROBLEM OR RECALL. THE REPAIR SHOP HAS REPAIRED 5 OTHER INFINITY QX56 CARS FOR THE SAME FAILURES BEFORE MY CAR WAS REPAIRED. NISSAN N. AMERICA HAS SIMILAR FAILURES IN THE PATHFINDER MODEL,AS CONFIRMED BY TWO INDEPENDENT TRANSMISSION REPAIR SHOPS CONTACTED. A WARNING: IF COOLANT DRIPS ARE NOTICED UNDER THE RADIATOR CHECK THE AUTOMATIC TRANSMISSION COOLING LINE CONNECTIONS AT THE BOTTOM OF THE RADIATOR, IF THE ARE WET AND OR LEAKING COOLANT, HAVE THE CAR TOWED TO A SHOP AND CHECKED FOR PROBLEM. CATCHING THIS PROBLEM AT THIS POINT MAY ONLY REQUIRE THE RADIATOR TO BE REPLACED, AND NO CRASH HAZARD. *TR

NHTSA ODI #10544082

Mileage unknown · Feb 24, 2011
Engine And Engine Cooling

2005 INFINITI QX56. CONSUMER STATES PROBLEM WITH VEHICLE STALLING *TGW THE CONSUMER STATED WHILE DRIVING ON THE INTERSTATE AT 55 MPH, THE VEHICLE SUDDENLY SLOWED DOWN TO 5 MPH THEN TO A FULL STOP. THE VEHICLE WAS TAKEN TO THE DEALER THE NEXT DAY. AFTER AN INSPECTION OF THE VEHICLE, THE DEALER INFORMED THE CONSUMER, THE THROTTL…

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2005 INFINITI QX56. CONSUMER STATES PROBLEM WITH VEHICLE STALLING *TGW THE CONSUMER STATED WHILE DRIVING ON THE INTERSTATE AT 55 MPH, THE VEHICLE SUDDENLY SLOWED DOWN TO 5 MPH THEN TO A FULL STOP. THE VEHICLE WAS TAKEN TO THE DEALER THE NEXT DAY. AFTER AN INSPECTION OF THE VEHICLE, THE DEALER INFORMED THE CONSUMER, THE THROTTLE BODY MOTOR ACTUATOR NEEDED TO BE REPLACED. THE PART WAS INSTALLED. HOWEVER, THE VEHICLE STALLED TO A HALT AGAIN. THE CONSUMER RETURNED TO THE DEALER AND WAS INFORMED THE PART WAS DEFECTIVE AND HE WOULD BE CHARGED FOR THE LABOR TO INSTALL THE NEW PART. TWO WEEKS LATER, THE VEHICLE STALLED AGAIN. THE CONSUMER WAS TOLD THE FUSE BOX COVER WAS MISSING AND WHEN THE FUSES BECAME WET, THEY BECAME CORRODED. THE CONSUMER STATED THE PROBLEM WAS NEVER THE FUSE BOX, BECAUSE THE LAST TIME HE WAS AT THE DEALERSHIP, NO ONE OPENED THE HOOD. THE CONSUMER THEN DISCOVERED THE HORN WAS NOT WORKING, WHICH WAS FINE PRIOR TO GOING TO THE DEALER. THE CONSUMER DISCOVERED THE HORN WAS WET AND ONCE HE WIPED OFF THE WATER, THE HORN BEGAN TO WORK AGAIN. AFTER ABOUT A WEEK AND HALF LATER, THE VEHICLE STALLED AGAIN. THE CONSUMER WENT TO ANOTHER ESTABLISHMENT AND WAS INFORMED THE MOTOR NEEDED TO BE REPLACED. *JB

NHTSA ODI #10383828

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.

10V074000 · Fuel System, Other:storage:fuel Gauge System

Mar 3, 2010

NISSAN IS RECALLING CERTAIN MODEL YEAR 2005-2009 TITAN, ARMADA, AND INFINITI QX56 VEHICLES. THE INSTRUMENT PANEL FUEL GAUGE MAY INACCURATELY DISPLAY THAT THE VEHICLE STILL HAS SOME FUEL, TYPICALLY ABOUT ONE QUARTER TANK, WHEN THE FUEL TANK IS EMPTY.

Consequence & remedy

Consequence: THIS COULD CAUSE THE VEHICLE TO RUN OUT OF GAS AND STALL ON THE HIGHWAY, WHICH COULD CAUSE A CRASH.

Remedy: DEALERS WILL REPLACE THE FUEL SENDER UNIT INSIDE THE FUEL TANK WITH A NEW IMPROVED SENDER CARD. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 22, 2010. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.

08V284000 · Equipment:appliance:air Conditioner

Jun 27, 2008

NISSAN IS RECALLING 180,664 MY 2005-2006 TITAN, ARMADA AND INFINITY QX56 VEHICLES MANUFACTURED AFTER MARCH 17, 2005, THAT ARE EQUIPPED WITH A VISTEON AIR CONDITIONING CONDENSER FAN MOTOR. THE FAN MOTOR MAY NOT BE PROPERLY SEALED ALLOWING EXCESSIVE WATER INTRUSION AND INADEQUATE DRAINAGE OF MOISTURE.

Consequence & remedy

Consequence: THIS COULD CAUSE CORROSION IN THE MOTOR LEADING POSSIBLY TO OVERHEATING AND A FIRE.

Remedy: DEALERS WILL INSTALL A 'THERMAL PROTECTOR KIT' AND TEST THE AIR CONDITIONING CONDENSER FAN MOTOR AND REPLACE IT IF NECESSARY. THE RECALL BEGAN ON AUGUST 2, 2008. 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

0

No exact-year investigations in this snapshot.