2006 Infiniti Qx56 problems, complaints & recalls
Most-reported problem areas: Service Brakes (45) · Service Brakes, Hydraulic (11) · Power Train (4)
🧭 Reliability snapshot
Compared against other Infiniti Qx56 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
72 NHTSA complaints that reported an odometer reading.
Safety recalls (3)
Engine And Engine Cooling 2010-10-28 · campaign 10V517000 · 747,480 vehicles
Defect: 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.
Risk: THIS COULD CAUSE ENGINE STALLING INCREASING THE RISK OF A CRASH.
Fix: 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.
Suspension:front:control Arm:lower Arm 2010-05-20 · campaign 10E019000 · 1,873 vehicles
Defect: NISSAN IS RECALLING CERTAIN FRONT AND REAR LOWER LINKS, P/NOS. 54501ZQ00A, 54500ZQ00A, 551A1ZQ00A, 551A0ZQ00A , 54501EA00A, 54500EA00A, 551A1EA500, 551A0EA500, 54501ZR00A, AND 54500ZR00A, SOLD BETWEEN NOVEMBER 25, 2009 AND MAY 14, 2010 AS REPLACEMENT PARTS FOR MODEL YEAR 2004 THROUGH 2010 TITAN, ARMADA, AND QX56, AND MODEL YEARS 2005 THROUGH 2010 FRONTIER, XTERRA, AND PATHFINDER VEHICLES. THE LOWER CONTROL LINK ASSEMBLY HAS TWO CYLINDRICAL COLLARS FORMING THE INBOARD ATTACHMENT POINTS TO THE CH
Risk: IF THE COLLAR WELD SEPARATES, THE VEHICLE HANDLING WILL DETERIORATE, POSSIBLY RESULTING IN A VEHICLE CRASH.
Fix: NISSAN WILL NOTIFY OWNERS AND DEALERS WILL REPLACE ANY AFFECTED LOWER LINK FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 12, 2010. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.
Fuel System, Other:storage:fuel Gauge System 2010-03-03 · campaign 10V074000 · 340,000 vehicles
Defect: 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.
Risk: THIS COULD CAUSE THE VEHICLE TO RUN OUT OF GAS AND STALL ON THE HIGHWAY, WHICH COULD CAUSE A CRASH.
Fix: 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.
Service bulletins (92)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure:body 2026-04-13 · ITB09-063C · Service Bulletin/Repair Instructions
certification label and vin plate replacement service information because of collision damage or other vehicle repair, a replacement “certification label” or “vin plate/label” may be needed. hint: certification label = fmvss (federal motor vehicle safety standards) label. these items may be availabl
Electrical System 2024-05-20 · ITB13-052E · Service Bulletin/Repair Instructions
intelligent key not detected / engine will not start this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Electrical System 2024-05-20 · ITB13-006D · Service Bulletin/Repair Instructions
can communication – network diagnostic flow chart this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Electrical System 2024-05-20 · ITB10-029C · Service Bulletin/Repair Instructions
can communication codes – diagnostic tips and guidelines this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Visibility/Wiper 2024-04-30 · ITB17-009H · Service Bulletin/Repair Instructions
window glass warranty information this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Visibility/Wiper 2024-04-30 · ITB13-007I · Service Bulletin/Repair Instructions
removing foreign material from the window glass this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Showing the 6 most recent of 92 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-21 · Electrical System · 249,000 mi“the contact owns a 2006 infiniti qx56. the contact stated that while 5 mph and making a turn at an intersection on three separate occasions, the vehicle unexpectedly shut off and restarted independently after several seconds. additionally, the check engine warning light and a sensor warning light were illuminated. the vehicle was taken to the deale…”
2023-07-23 · Unknown Or Other“air bag not working, horn not working properly. and other functions. was told clock spring needs to be replaced.…”
2022-09-14 · Service Brakes“brake failure. the brake fails occasionally while driving on the streets or on the highways without waring. the brake pedal goes down to the floor, and grinding/hitting metal to metal sound is heard and vehicle brake control is lost. experiences were traumatic; you swing left or right to avoid hitting another vehicle from behind or running a red li…”
2021-04-14 · Fuel/Propulsion System · 1 mi“my vehicle stalling all time which is very dangerous especially when i m driving on highway . more than 10 times i almost crash my vehicle.…”
2020-11-18 · Service Brakes · 200,139 mi“2006 infiniti qx56, had back brakes and rotors replaced in october 2020, 2 weeks later i'm driving, flat surface, nice day, applied brakes, my pedal went to floor, no resistance, i heard a grinding noise, felt like a 'slip' , i had kids in car, i pulled over, asked the girls what they heard, turned off vehicle, checked brake fluid, full, the girls …”
2020-09-10 · Service Brakes · 153,000 mi“suv will have trouble braking, emitting a loud, grinding noise when brakes are applied. diffiulty stopping. almost caused a wreck twice now. once vehicle is turned off and back on, the situation seems to stop. happens periodically. first time had brakes, rotors redone in case there was an issue, though there did not seem to be according to the m…”
2020-07-27 · Service Brakes · 180,000 mi“difficulty stopping. pinging noise. replaced the brakes but didn't fix the issue. very dangerous as it's very hard to brake and brake light comes on. happened a couple times and it seems to reset once the car is shut off! very scary. happens out of the blue.…”
2020-07-07 · Suspension · 143,000 mi“when my car is in motion and i go over any bumps it pulls the back end of car my to the side and bounces around so much that i almost don't have control of my car.this will pull so much it take me to the side of the land im currently in i have to make sure i look out for bumps in the road and make sure i slow down below the speed limit so i can kee…”
2020-03-04 · Power Train · 200,000 mi“tl* the contact owns a 2006 infiniti qx56. the contact stated that while driving approximately 65 mph, the vehicle started to vibrate and decelerated independently. the vehicle stalled without warning. the vehicle was towed to an independent mechanic to be diagnosed. the contact was informed that the radiator failed which caused coolant to mix with…”
2020-02-01 · Service Brakes · 90,000 mi“i was driving at approximately 60 mph on a freeway when traffic ahead came to a sudden stop. i pressed the brake pedal and it traveled to the floor and i did not feel the car slow at all. the "brake" dash indicator light came on, and i continued pumping the brake pedal to try and slow the car. while i continued pressing the brakes, the car started …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.