2005 Infiniti Qx56 problems, complaints & recalls
Most-reported problem areas: Service Brakes (19) · Fuel/Propulsion System (11) · Fuel System, Gasoline (10)
🧭 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
71 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 (100)
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.
Electrical System 2026-08-28 · ITB05-054A · Service Bulletin/Repair Instructions
voluntary service campaign body control module sub-harness voluntary service campaign id # p5235 is no longer active. · repair orders opened after this bulletin’s published date are no longer eligible for reimbursement under campaign id # p5235. · discard all previous versions of itb05-054.
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.
Showing the 6 most recent of 100 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-11-14 · Steering“i started to break saw a major traffic jam . and my steering started shaking and my breaks did not stop like they're supposed to.almost was i huge crash w i th my [xxx] and [xxx] old information redacted pursuant to the freedom of information act (foia), 5 u.s.c. 552(b)(6)…”
2022-11-07 · Fuel System, Other · 150,000 mi“the contact owns a 2005 infiniti qx56. the contact stated that while driving approximately 75 mph, the vehicle lost motive power and stalled. the vehicle was later towed to the residence where it was discovered that no fuel was present although the fuel gauge indicated that there was a quarter tank of fuel in the tank. after adding fuel, the vehicl…”
2021-01-04 · Steering · 155,000 mi“the vehicle will lose power to the brakes while driving intermittently. when problem occurs you will lose power steering and pressure to braking system. also the driver hid headlamp gets moisture in it whenever it rains. i have had to replace the hid bulb about 6 times in the past year. also there seems to be an electrical issue with the onboar…”
2020-08-13 · Service Brakes · 5 mi“driving 30 mph in manhattan new york came to a red light pressed brake pedal felt no brakes pumped brakes felt like there was little to no braking abs light came on so did brake light ran through the red thank god no cars where i front of me ,eventually stopped pulled aside then turned vehicle off and then on the brakes worked fine took it to str…”
2020-06-26 · Exterior Lighting · 270,000 mi“while driving in residential/business area my vehicle completely lost power and turned off. i drifted to the side of the road without power steering. tried to start vehicle again. vehicle would start but would immediately die-would not idle. after resting approx 5 minutes i was able to start again and continue home. this has happened 3 times in th…”
2019-11-03 · Service Brakes · 212,000 mi“every once in a while, seemingly after slow driving where there are many stop signs not too far apart, the brake light comes on, the brake pedal weakens and brake system makes a rattling noise when the pedal is pressed. then i turn off the vehicle and restart it and all is back to normal until the next time, can be days or sometimes weeks.…”
2019-09-21 · Service Brakes · 216,000 mi“when driving, the brake light comes on for no reason and causes the brakes to work inappropriately. it becomes very hard to brake. the brakes seem to fall through and there is a grinding sound from the brakes. if i turn the vehicle off, and then back on it works fine. then it happens again sparatically.…”
2019-09-03 · Unknown Or Other · 55,000 mi · 💥 crash“while driving straight on interstate i-95 during rush hour at approximately 30 miles/hour, i pressed on the brakes and the pedal dropped down and started making a weird noise (like grinding sound) and the car wouldn't stop. the abs light turned on, check engine light turned on, the pedal lost pressure and the brakes locked up. i ended up in a crash…”
2019-06-01 · Fuel/Propulsion System · 145,000 mi“fuel gauge shows 1/4 tank but it is empty. this caused the vehicle to stall on the highway. very dangerous situation could have occurred. was able to find safety beside the highway but thankful it did not happen in the middle of a busy highway.…”
2019-05-18 · Exterior Lighting · 100 mi“my airbag light stays on constantly. there is a knocking sound that occurs as well when i'm driving. i'm concerned if i'm involved in a collision my airbags will not deploy. i contacted infiniti and was told they need to reset it and will cost $800.00 and my extended warranty did not cover it and was not part of the recall list. the ipdm ecm relay …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.