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2006 Infiniti QX56

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2006 Infiniti QX56 do not stand out strongly from the model-year median of 55.

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How this year compares

Owner complaints by model year

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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

72 reports with mileage · 7 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 46 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Service Brakes complaints

46 reports
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140,000 miles · Feb 19, 2016
Service Brakes

TL* THE CONTACT OWNS A 2006 INFINITI QX56. WHILE DRIVING 30 MPH, THE VEHICLE MADE AN ABNORMAL NOISE AFTER DEPRESSING THE BRAKE PEDAL. THE PEDAL TRAVELED TO THE FLOORBOARD AND THE VEHICLE WOULD NOT STOP. THE CONTACT WAS ABLE TO REGAIN CONTROL OF THE VEHICLE AFTER TAKING HER FOOT OFF THE BRAKE PEDAL AND STEERING INTO AN EMPTY PARK…

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TL* THE CONTACT OWNS A 2006 INFINITI QX56. WHILE DRIVING 30 MPH, THE VEHICLE MADE AN ABNORMAL NOISE AFTER DEPRESSING THE BRAKE PEDAL. THE PEDAL TRAVELED TO THE FLOORBOARD AND THE VEHICLE WOULD NOT STOP. THE CONTACT WAS ABLE TO REGAIN CONTROL OF THE VEHICLE AFTER TAKING HER FOOT OFF THE BRAKE PEDAL AND STEERING INTO AN EMPTY PARKING LOT. THE BRAKE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT COULD NOT BE DIAGNOSED. THE VEHICLE WAS NOT REPAIRED AND THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS APPROXIMATELY 140,000.

NHTSA ODI #10837082

109,000 miles · Oct 29, 2014
Service Brakes

THE BRAKES GET HARD AND CANNOT STOP QUICKLY. IT GRINDS AND HAVE TO PARK AND CUT THE ENGINE OFF FOR A FEW MINUTES THEN IT WORKS AGAIN. ALMOST CAUSED A FATAL ACCIDENT. THIS IS DEFINITELY A FACTORY DEFECT DUE TO LOTS OF OWNERS ON THE NET HAVING THE EXACT SAME PROBLEM. THERE IS NO INDICATION WHEN IT ABOUT TO HAPPEN. IT HAPPENED AT L…

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THE BRAKES GET HARD AND CANNOT STOP QUICKLY. IT GRINDS AND HAVE TO PARK AND CUT THE ENGINE OFF FOR A FEW MINUTES THEN IT WORKS AGAIN. ALMOST CAUSED A FATAL ACCIDENT. THIS IS DEFINITELY A FACTORY DEFECT DUE TO LOTS OF OWNERS ON THE NET HAVING THE EXACT SAME PROBLEM. THERE IS NO INDICATION WHEN IT ABOUT TO HAPPEN. IT HAPPENED AT LEAST THREE TIMES SINCE BUYING THIS VEHICLE USED FOR MY WIFE. THIS PROBLEM HAPPENS ALSO WITH THE NISSAN ARMADA. CONTACTED THE MANUFACTURER AND THEY DON'T SEEM CONCERNED AT ALL. THEY SAYS TO BRING IT TO YOUR LOCAL DEALER ON MY OWN EXPENSE. THIS IS AN DESIGN PROBLEM DUE TO THE AMOUNT OF COMPLAINTS FROM CUSTOMERS. I AM CONCERNED ABOUT NOT ONLY MY FAMILY SAFETY BUT OTHERS. THANKS *TR

NHTSA ODI #10650923

67,000 miles · Sep 18, 2014
Service Brakes

WHILE TRAVELING ON THE FREEWAY AT ABOUT 60 MPH, TRAFFIC IN FRONT OF ME BEGAN TO SLOW. WHEN I APPLIED THE BRAKES, THE BREAK PEDAL ALMOST WENT TO THE FLOOR AND MADE A BANGING OR THUMPING NOISE. IT FELT LIKE THE ABS WENT OFF AND I ALMOST RAN INTO THE BACK OF THE CAR IN FRONT OF ME. THIS HAS OCCURRED MANY TIMES SINCE I HAVE OWNED TH…

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WHILE TRAVELING ON THE FREEWAY AT ABOUT 60 MPH, TRAFFIC IN FRONT OF ME BEGAN TO SLOW. WHEN I APPLIED THE BRAKES, THE BREAK PEDAL ALMOST WENT TO THE FLOOR AND MADE A BANGING OR THUMPING NOISE. IT FELT LIKE THE ABS WENT OFF AND I ALMOST RAN INTO THE BACK OF THE CAR IN FRONT OF ME. THIS HAS OCCURRED MANY TIMES SINCE I HAVE OWNED THIS VEHICLE AND WHEN I TAKE IT TO THE DEALERSHIP THEY CANNOT FIND ANYTHING WRONG AND SUGGEST TO START REPLACING PARTS AT THE COST OF A FEW THOUSAND DOLLARS. THE MOST RECENT INCIDENT WAS YESTERDAY WHILE TRAVELING ON THE FREEWAY. AGAIN I HAD TO STOP SUDDENLY AS THERE WAS DEBRIS IN THE ROADWAY AND THE BRAKE PEDAL WENT TO THE FLOOR. *TR

NHTSA ODI #10637351

169,000 miles · Aug 26, 2014
Service Brakes

OH MY ... WHAT A BAD PROBLEM. AFTER IDLING FOR ABOUT 10 MINUTES WHEN IT WAS ABOUT 90DEGF OUTSIDE THE "BRAKE" LIGHT CAME ON ... THEN WHEN TRYING TO MOVE THE BRAKES WOULD NOT WORK. THEY HAD A VERY BAD VIBRATION IN THE PEDAL AND MADE GRINDING AND SPRING POPPING NOISES. EVEN THOUGH GOING SLOW (<30 MPH) THE CAR WOULD BARELY STOP…

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OH MY ... WHAT A BAD PROBLEM. AFTER IDLING FOR ABOUT 10 MINUTES WHEN IT WAS ABOUT 90DEGF OUTSIDE THE "BRAKE" LIGHT CAME ON ... THEN WHEN TRYING TO MOVE THE BRAKES WOULD NOT WORK. THEY HAD A VERY BAD VIBRATION IN THE PEDAL AND MADE GRINDING AND SPRING POPPING NOISES. EVEN THOUGH GOING SLOW (<30 MPH) THE CAR WOULD BARELY STOP. I CANNOT IMAGINE THIS HAPPENING AT HIGHWAY SPEEDS. VERY DANGEROUS. TURNING THE CAR OFF AND THEN BACK ON RESOLVED THE PROBLEM, BUT I AM VERY CONCERNED THAT THIS IS GOING TO HAPPEN AGAIN AT A VERY BAD TIME. THE BRAKE PADS AND ROTORS WERE CHECKED AND THEY ARE FINE. THERE NEEDS TO BE A DEFINITIVE FIX AND RECALL FOR THIS DANGEROUS ISSUE. *TR

NHTSA ODI #10628319

95,000 miles · Aug 13, 2014
Electrical SystemEngineService Brakes

THE CAR EMERGENCY BRAKE LIGHT CAME ON, THE VDC, AND SLIP LIGHT FLASHES AND THE CAR LOSES BRAKE POWER, FELT LIKE PADS WERE GONE BUT THEY WERE NOT. ONCE THE CAR WAS TURNED OFF AND BACK ON LIGHTS WENT AWAY AND BRAKES CAME BACK. WE HAVE HAD BRAKES REPLACED, AND PROBLEM CONTINUED. ALSO THE SERVICE ENGINE SOON LIGHT CAME ON AND A ME…

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THE CAR EMERGENCY BRAKE LIGHT CAME ON, THE VDC, AND SLIP LIGHT FLASHES AND THE CAR LOSES BRAKE POWER, FELT LIKE PADS WERE GONE BUT THEY WERE NOT. ONCE THE CAR WAS TURNED OFF AND BACK ON LIGHTS WENT AWAY AND BRAKES CAME BACK. WE HAVE HAD BRAKES REPLACED, AND PROBLEM CONTINUED. ALSO THE SERVICE ENGINE SOON LIGHT CAME ON AND A MECHANIC TOLD US WE NEEDED NEW CATALYTIC CONVERTERS AND THE SERVICE ENGINE SOON LIGHT IS STILL ON AND OFF. BRAKE ISSUE AND LIGHT COMING ON HAS HAPPENED NUMEROUS TIMES AND IT DOES NOT MAKE A DIFFERENCE WHERE OR WHAT SPEED. I HAVE BEEN DRIVING DOWN THE INTERSTATE, IN THE NEIGHBORHOOD, PARKED, ETC. IT IS HAPPENING MORE FREQUENTLY AND WE HAVE HAD IT CHECK OUT BY MULTIPLE MECHANICS AND THEIR DIAGNOSTICS ARE NOT PICKING UP ANYTHING THAT IS WRONG. I HAVE 3 SMALL CHILDREN AND FEEL LIKE I AM GOING TO HAVE A PANIC ATTACK EVERY TIME WE GET INTO THE CAR. WHY IS THERE NO RE-CALL YET?! IF YOU ARE CONSIDERING BUYING THIS CAR RUN AND DO NOT BUY! *TR

NHTSA ODI #10622082

140,000 miles · Aug 6, 2014
Equipment Adaptive/mobilityService Brakes

MY INFINITY QX 56 TRUCK BRAKE PEDAL STARTS TO VIBRATE AND MAKE LOUD SPRING NOISES, NEXT THE VEHICLE WILL BEGIN TO PULSATE VIOLENTLY DURING BRAKING AND MAKE A LOUD GRINDING NOISE WITH AN EXTENDED BRAKING RESPONSE (NEARLY CAUSING ME TO CRASH INTO TRAFFIC AHEAD OR IN FRONT OF ME). THE VEHICLE DEFECTIVELY TURNS ON THE ABS AND BRAKE …

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MY INFINITY QX 56 TRUCK BRAKE PEDAL STARTS TO VIBRATE AND MAKE LOUD SPRING NOISES, NEXT THE VEHICLE WILL BEGIN TO PULSATE VIOLENTLY DURING BRAKING AND MAKE A LOUD GRINDING NOISE WITH AN EXTENDED BRAKING RESPONSE (NEARLY CAUSING ME TO CRASH INTO TRAFFIC AHEAD OR IN FRONT OF ME). THE VEHICLE DEFECTIVELY TURNS ON THE ABS AND BRAKE LIGHT WARNINGS IN THE DASHBOARD WHILE USING BRAKES TO STOP AT STOP SIGNS, RED LIGHTS, OR TO MAKE TURNS BEHIND OTHER TRAFFIC. THIS ACTIVATION IS RANDOM WITHOUT CAUSE OR OCCURRENCE. I AM TERRIFIED TO DRIVE MY INFINITY 2006 QX56. I HAVE EXPERIENCED MULTIPLE NEAR DEATH CAR ACCIDENTS. I HAVE BEEN DEALING WITH THIS PROBLEM FOR ABOUT A YEAR. WAS TOLD IT WAS THE BRAKES (CHANGED THEM), WAS TOLD IT WAS THE ROTORS (CHANGED THEM), WAS TOLD IT WAS THE MASTER CYLINDER (CHANGED IT) WITH NO RESOLVE. PROBLEMS STILL EXISTS. FINALLY, INFINITY ADMITS ITS A MALFUNCTION IN MY DELTA SENOR. MALFUNCTION TO ME SOUNDS LIKE A DEFECTIVE PART AND THAT IS NOT MY $1500 BULLET TO BITE! *TR

NHTSA ODI #10619269

110,000 miles · Jun 4, 2014
Service Brakes

WHILE ATTEMPTING TO SLOW MY VEHICLE , WITH 8 PASSENGERS, THE BRAKES STARTED TO ACT ERRATICALLY. THERE WAS NO WAY TO SLOW THE VEHICLE IN A CONTROLLED MANNER. EITHER THE BRAKING WAS TOO HARD OR TOO SOFT ALMOST LEADING TO A COLLISION. I TOOK MY VEHICLE TO THE INFINITI DEALER THAT I PURCHASED IT FROM NEW. THEY REPLACED THE BRAKE BOO…

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WHILE ATTEMPTING TO SLOW MY VEHICLE , WITH 8 PASSENGERS, THE BRAKES STARTED TO ACT ERRATICALLY. THERE WAS NO WAY TO SLOW THE VEHICLE IN A CONTROLLED MANNER. EITHER THE BRAKING WAS TOO HARD OR TOO SOFT ALMOST LEADING TO A COLLISION. I TOOK MY VEHICLE TO THE INFINITI DEALER THAT I PURCHASED IT FROM NEW. THEY REPLACED THE BRAKE BOOSTER AT A COST OF OVER $900 DOLLARS. THIS WAS IN OCTOBER OF 2012. 10, 000 MILES LATER IN MAY OF 2014, THE EXACT SAME BRAKING ISSUE AGAIN HAPPENED WITH MY VEHICLE FULLY LOADED WITH PASSENGERS. I TOOK IT TO THE LOCAL NISSAN DEALERSHIP AND THEY ARE SAYING THAT THE SAME PARTS NEED TO BE REPLACED NOW AT A COST OF OVER $1400 . THIS IS A MAJOR SAFETY ISSUE AND IS IN NO WAY RELATED TO NORMAL MAINTENANCE. *TR

NHTSA ODI #10596247

83,000 miles · Apr 29, 2014
Service Brakes

WHILE SLOWLY DOWN FOR A RED LIGHT MY VEHICLE BEGAN TO LOSE BRAKING AND THERE WAS POPPING AND GRINDING NOISES COMING FROM THE BRAKES. LUCKILY THERE WAS NOT A CAR IN FRONT OF ME AND AS I WAS ABLE TO DRIVE ALONG THE CURB TO FINALLY SLOW THE VEHICLE AND LUCKILY STOPPED BEFORE BEING IN THE MIDDLE OF THE INTERSECTION . BACK IN 2010 I…

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WHILE SLOWLY DOWN FOR A RED LIGHT MY VEHICLE BEGAN TO LOSE BRAKING AND THERE WAS POPPING AND GRINDING NOISES COMING FROM THE BRAKES. LUCKILY THERE WAS NOT A CAR IN FRONT OF ME AND AS I WAS ABLE TO DRIVE ALONG THE CURB TO FINALLY SLOW THE VEHICLE AND LUCKILY STOPPED BEFORE BEING IN THE MIDDLE OF THE INTERSECTION . BACK IN 2010 INFINITI CHANGED OUT THE BRAKE BOOSTER AND DELTA SENSOR WHEN THIS SAME OCCURRENCE HAPPENED WITH THE BRAKING SYSTEM. NOW 4 YEARS LATER IT HAPPENED AGAIN WHICH MEANS THEY ARE STILL INSTALLING A FAULTY PART. IT IS AT THE DEALERSHIP NOW AND BECAUSE IT IS OUT OF WARRANTY THEY WILL NOT COVER THE $2100 JOB ALTHOUGH THEY ADMIT THIS IS A NORMAL OCCURRENCE IN THIS VEHICLE. *JS

NHTSA ODI #10585600

68,000 miles · Apr 9, 2014
Service Brakes

WAS DRIVING WHEN I APPLIED BRAKES . THE BRAKE LIGHT CAME ON AND BRAKE PEDAL FELT SOFT NOT FIRM, VEHICLE DIDN'T COME TO A STOP. HAD TO DRIVE ON THE SIDE OF THE ROAD TOWARDS A HILL . I APPLIED BRAKES AGAIN BUT THE CARE WOULD BARELY BRAKE . I TURN THE KEY OFF AND TURN THE CAR BACK ON. BRAKES WORKED AGAIN. THIS HAS HAPPEN MULTIPLE …

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WAS DRIVING WHEN I APPLIED BRAKES . THE BRAKE LIGHT CAME ON AND BRAKE PEDAL FELT SOFT NOT FIRM, VEHICLE DIDN'T COME TO A STOP. HAD TO DRIVE ON THE SIDE OF THE ROAD TOWARDS A HILL . I APPLIED BRAKES AGAIN BUT THE CARE WOULD BARELY BRAKE . I TURN THE KEY OFF AND TURN THE CAR BACK ON. BRAKES WORKED AGAIN. THIS HAS HAPPEN MULTIPLE TIMES AND DEALER TOLD ME . THAT THEY ARE AWARE OF THE PROBLEM BUT SINCE IT'S NOT A RECALL I WOULD HAVE TO PAY FOR REPAIRS. THEY QUOTED ME 1800 FOR THE REPAIR. *TR

NHTSA ODI #10578445

71,000 miles · Feb 6, 2014
Service Brakes

I WAS DRIVING AND APPROACHING A STOP LIGHT. WHEN I DEPRESSED THE BRAKE PEDAL I HEARD A GRINDING NOISE BUT THE CAR WOULD NOT STOP ALL THE WAY. I PUMPED THE BRAKES AND ATTEMPTED TO STOP BUT IT WOULD NOT. LUCKILY THE LIGHT THEN CHANGED AND I DID NOT HAVE TO STOP. I THEN APPROACHED ANOTHER LIGHT AND THE SAME THING HAPPENED. AT…

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I WAS DRIVING AND APPROACHING A STOP LIGHT. WHEN I DEPRESSED THE BRAKE PEDAL I HEARD A GRINDING NOISE BUT THE CAR WOULD NOT STOP ALL THE WAY. I PUMPED THE BRAKES AND ATTEMPTED TO STOP BUT IT WOULD NOT. LUCKILY THE LIGHT THEN CHANGED AND I DID NOT HAVE TO STOP. I THEN APPROACHED ANOTHER LIGHT AND THE SAME THING HAPPENED. AT THE LAST MINUTE, THE CAR STOPPED. I TOOK IT TO THE DEALER. THEY ARE CHARGING ME $969 TO REPLACE THE BRAKE BOOSTER/DELTA SENSOR. THIS IS A KNOWN PROBLEM AND I THINK THAT A RECALL SHOULD BE DONE. THIS IS VERY DANGEROUS. *TR

NHTSA ODI #10563283

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.