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2004 Infiniti QX56

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2004 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

92 reports with mileage · 14 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 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports1 fire reports3 injury reports

Service Brakes complaints

33 reports
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42,000 miles · Oct 28, 2014
Service Brakes

TL* THE CONTACT OWNS A 2004 INFINITI QX56. WHILE ENGAGING THE BRAKES, THE ABS LIGHT ILLUMINATED AND AN UNKNOWN NOISE EMITTED FROM UNDER THE VEHICLE. THE CONTACT MENTIONED THAT THE BRAKES FAILED TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN WAS UNABLE TO FIND A FAILURE. THE BRAKES AND ROTORS WERE REPLAC…

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TL* THE CONTACT OWNS A 2004 INFINITI QX56. WHILE ENGAGING THE BRAKES, THE ABS LIGHT ILLUMINATED AND AN UNKNOWN NOISE EMITTED FROM UNDER THE VEHICLE. THE CONTACT MENTIONED THAT THE BRAKES FAILED TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN WAS UNABLE TO FIND A FAILURE. THE BRAKES AND ROTORS WERE REPLACED, BUT THE FAILURE PERSISTED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 42,000. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10650784

120,000 miles · Sep 22, 2014
Service Brakes

WHILE I'M DRIVING, THE BRAKE LIGHT ON MY CLUSTER WOULD COME ON AND IF I TRY TO BRAKE, THE PEDAL WOULD JUST GO TO THE FLOOR AND THE VEHICLE WOULD FEEL AS IF ABS IS KICKING IN. THIS IS VERY DANGEROUS AS I'VE RAN THROUGH MULTIPLE RED LIGHTS AND PEDESTRIAN CROSSWALKS DUE TO THE BRAKES NOT WORKING PROPERLY. THANK GOD I HAVEN'T HURT A…

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WHILE I'M DRIVING, THE BRAKE LIGHT ON MY CLUSTER WOULD COME ON AND IF I TRY TO BRAKE, THE PEDAL WOULD JUST GO TO THE FLOOR AND THE VEHICLE WOULD FEEL AS IF ABS IS KICKING IN. THIS IS VERY DANGEROUS AS I'VE RAN THROUGH MULTIPLE RED LIGHTS AND PEDESTRIAN CROSSWALKS DUE TO THE BRAKES NOT WORKING PROPERLY. THANK GOD I HAVEN'T HURT ANYONE OR MYSELF DUE TO THIS ON GOING PROBLEM WITH THE DELTA SENSOR. RESEARCHED ONLINE AND READ TONS OF STORIES OF PEOPLE WITH THE SAME ISSUE WHICH APPARENTLY COST $1000 USD TO FIX!! PLEASE MAKE INFINITI RESPONSIBLE FOR THIS FIX OR SOMEONE WILL GET HURT OR EVEN WORSE, DEATHS. *TR

NHTSA ODI #10638027

99,709 miles · Aug 22, 2014
Service Brakes

WHILE DRIVING AND STARTING TO APPLY THE BRAKES THERE CAN BE HEARD A GRINDING SOUND, BRAKE LIGHT DISPLAYS ON THE DASH AND THE BRAKE PEDAL GOES TO THE FLOOR.THIS IS VERY UNSAFE TO ME AND THE PUBLIC BECAUSE ONCE I WAS ABLE TO GET HOME AND RESTART THE VEHICLE IT FUNCTIONS LIKE NOTHING WAS EVER WRONG. I DROVE AROUND THE BLOCK WITH NO…

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WHILE DRIVING AND STARTING TO APPLY THE BRAKES THERE CAN BE HEARD A GRINDING SOUND, BRAKE LIGHT DISPLAYS ON THE DASH AND THE BRAKE PEDAL GOES TO THE FLOOR.THIS IS VERY UNSAFE TO ME AND THE PUBLIC BECAUSE ONCE I WAS ABLE TO GET HOME AND RESTART THE VEHICLE IT FUNCTIONS LIKE NOTHING WAS EVER WRONG. I DROVE AROUND THE BLOCK WITH NO PROBLEM STOPPING WHICH LASTED ABOUT 2 WEEKS BEFORE IT ALL STARTED AGAIN, THIS TIME WITH MY FAMILY IN THE VEHICLE.THERE ARE NO LEAKS OR SQUEAKING FROM USING MY BRAKES; SOMETHING NEEDS TO BE DONE. *TR

NHTSA ODI #10627552

105,000 miles · Aug 13, 2014
Service Brakes

STEPPED ON BRAKES AND PEDAL WENT ALL THE WAY TO FLOORBOARD WITH OUT STOPPING THE SUV. SUV FINALLY STOPPED ON SPEED BUMP A FEW FEET AWAY. LOOKED IN THE INTERNET, THERE ARE OTHER PEOPLE WITH SAME PROBLEM. THERE IS ALSO A COUPLE SUING NISSAN FOR THIS VERY PROBLEM. I THINK NISSAN SHOULD BE HELD RESPONSIBLE. THE PROBLEM I UNDERSTAND…

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STEPPED ON BRAKES AND PEDAL WENT ALL THE WAY TO FLOORBOARD WITH OUT STOPPING THE SUV. SUV FINALLY STOPPED ON SPEED BUMP A FEW FEET AWAY. LOOKED IN THE INTERNET, THERE ARE OTHER PEOPLE WITH SAME PROBLEM. THERE IS ALSO A COUPLE SUING NISSAN FOR THIS VERY PROBLEM. I THINK NISSAN SHOULD BE HELD RESPONSIBLE. THE PROBLEM I UNDERSTAND IS IN THE BRAKE POWER BOOSTER. IT SHOULD HAVE BEING RECALL. *TR

NHTSA ODI #10622167

150,000 miles · Aug 3, 2014
Service Brakes

WHILE TRAVELING ON THE HIGHWAY TO ANOTHER STATE, I ATTEMPTED TO STOP MY VEHICLE, AN 2004 INFINITI QX56, AS TRAFFIC SLOWED AND STOPPED. I PRESSED THE BRAKE PEDAL AND HEARD A CLICKING SOUND AND THE BRAKE INDICATOR LIGHT CAME ON AND THE VEHICLE WOULD NOT STOP COMPLETELY. THE PEDAL BEGAN TO GO TO THE FLOOR THEN BEGAN TO FEEL STIFF.…

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WHILE TRAVELING ON THE HIGHWAY TO ANOTHER STATE, I ATTEMPTED TO STOP MY VEHICLE, AN 2004 INFINITI QX56, AS TRAFFIC SLOWED AND STOPPED. I PRESSED THE BRAKE PEDAL AND HEARD A CLICKING SOUND AND THE BRAKE INDICATOR LIGHT CAME ON AND THE VEHICLE WOULD NOT STOP COMPLETELY. THE PEDAL BEGAN TO GO TO THE FLOOR THEN BEGAN TO FEEL STIFF. I HAD TO SWERVE TO THE SIDE OF THE ROAD TO AVOID HITTING SOMEONE ELSE'S VEHICLE. ONCE I COMPLETELY STOPPED, I GOT OUT AND INSPECTED THE BRAKE FLUID LEVEL, AND THE BRAKES AND BOTH SEEMED TO BE FINE. I GOT BACK IN THE VEHICLE AND AFTER I TURNED THE IGNITION ON, THE BRAKE INDICATOR HAD WENT OFF AND THE PEDAL SEEMED TO BE WORKING FINE. I TRAVELED ON TO MY DESTINATION WITHOUT ANY OTHER ISSUES. ONCE AT MY DESTINATION, I HAD THE BRAKES INSPECTED AND THE REPAIR SHOP SAID THEY COULD NOT FIND AN ISSUE. THIS HAS HAPPENED SEVERAL MORE TIMES SINCE THIS INCIDENT, AND EACH TIME WHEN TAKEN TO A REPAIR SHOP, NOTHING CAN BE FOUND WRONG WITH MY BRAKES. *TR

NHTSA ODI #10618510

90,945 miles · Jul 27, 2014
Service Brakes

CAR WAS BEING DRIVEN AT APPROXIMATELY 40 MPH WHEN THE BRAKES VIBRATED SIGNIFICANTLY AND FAILED TO ENGAGE AT AN INTERSECTION NEARLY CAUSING AN ACCIDENT. AN INFINITI DEALER INDICATED THAT THE BRAKE BOOSTER HAD MALFUNCTIONED. *JS

NHTSA ODI #10616616

116,000 miles · May 28, 2014
Service Brakes

COMING UP TO A STOP LIGHT I PRESS ON THE BRAKE AND IT GOES TO THE FLOOR AND THE ABS KICKS IN FOR NO REASON. I ALMOST WENT THROUGH THE RED LIGHT. ALL OF THE BRAKE, SLIP, VDC LIGHTS CAME ON SUDDENLY. I TURNED THE TRUCK OFF AND BACK ON AGAIN AND EVERYTHING IS FINE. *TR

NHTSA ODI #10594568

50,000 miles · May 24, 2014
Service Brakes

THE BRAKE LIGHT CAME ON AND A LOUD CLANKING NOISE WAS HEARD WHEN YOU PRESSED THE BRAKES. ONCE YOU STOPPED CUT SUV OFF AND CRANKED IT BACK UP IT WAS FINE. *TR

NHTSA ODI #10593817

111,072 miles · Jan 16, 2014
Service Brakes

WHILE DRIVING THE VEHICLE AND PRESSING ON THE BRAKES THERE IS A LOUD CRANKING, GRINDING NOISE AND THE BRAKES APPEAR TO LOCK UP. THE SLIP, VDC OFF AND BRAKE LIGHTS ILLUMINATE ON THE DASHBOARD. I WILL USUALLY HAVE TO TURN THE VEHICLE OFF AND BACK ON FOR THE LIGHTS TO GO OFF AND TO DRIVE THE VEHICLE. THIS WORKS INTERMITTENTLY. *TR

NHTSA ODI #10560237

30,000 miles · Sep 19, 2013
Service Brakes

I HAVE A 2004 QX56 AND HAVE BEEN HAVING BRAKE PROBLEMS SINCE I FIRST GOT IT. THE BRAKES WERE REPLACED UNDER AN INITIAL RECALL IN 2005, BUT A NEW PROBLEM BEGAN IN 2006 AND HAS BEEN OCCURRING SINCE. INITIALLY, ONLY ABOUT ONCE EVERY 2 MONTHS, THE BRAKES WILL SPORADICALLY PULSATE AND THE CAR WILL COME TO A QUICK HALT. I WOULD…

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I HAVE A 2004 QX56 AND HAVE BEEN HAVING BRAKE PROBLEMS SINCE I FIRST GOT IT. THE BRAKES WERE REPLACED UNDER AN INITIAL RECALL IN 2005, BUT A NEW PROBLEM BEGAN IN 2006 AND HAS BEEN OCCURRING SINCE. INITIALLY, ONLY ABOUT ONCE EVERY 2 MONTHS, THE BRAKES WILL SPORADICALLY PULSATE AND THE CAR WILL COME TO A QUICK HALT. I WOULD JUST RESTART THE CAR AND IT WAS FINE. THE DEALERSHIP SAID IT WAS A FIRMWARE PROBLEM, AND "FLASHED" THE FIRMWARE. IT STILL KEPT HAPPENING, THEY FLASHED THE FIRMWARE OVER AND OVER AGAIN, AND THEN JUST SAID THERE WAS NOTHING MORE THAT COULD BE DONE. NOW THAT THE TRUCK IS OUT OF WARRANTY, THE DEALERSHIP SAYS IT IS BEING CAUSED BY A BAD BRAKE BOOSTER, AND WILL COST $1,100 TO FIX. BUT THIS HAS BEEN HAPPENING SINCE LONG BEFORE IT WAS OUT OF WARRANTY, AND NOW IT IS HAPPENING MUCH MORE OFTEN, ALMOST EVERY DAY. REVIEW OF DIFFERENT INFINITI FORUMS SHOWS MANY QX56'S, NISSAN ARMADAS, AND NISSAN TITANS ARE EXPERIENCING THIS PROBLEM. NISSAN HAS PUT OUT A SERVICE BULLETIN ACKNOWLEDGING THE PROBLEM, BUT THEIR SOLUTION DOES NOT SOLVE THE PROBLEM. THIS SHOULD REALLY BE INVESTIGATED FURTHER AND A RECALL ISSUED FOR WHATEVER THE CAUSE OF THE PROBLEM IS. *TR

NHTSA ODI #10544501

Official recalls

1

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.

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.