2005 INFINITI QX56 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2005 INFINITI QX56, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Brakes3435.1%
- Fuel system2525.8%
- Electrical77.2%
- Exterior lighting55.2%
- Airbags55.2%
- Engine55.2%
- Powertrain (other)44.1%
- Steering44.1%
- Other / unspecified33.1%
- Suspension22.1%
- Transmission11.0%
- Driver assistance11.0%
- Interior & seats11.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
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)
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 ONBOARD COMPUTER THAT CAUSES THE TACHOMETER TO NOT WORK OR READ CORRECTLY.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
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 vehicle was restarted, and the vehicle operated as designed. The cause of the failure was not yet determined. The manufacturer was notified of the failure and the contact was informed that the vehicle was not included in the NHTSA Campaign Number 10V074000 (Fuel System, Other). The contact indicated that the vehicle had experienced the same failure listed in the recall. The local dealer was not contacted. The failure mileage was 150,000.
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.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
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 ONBOARD COMPUTER THAT CAUSES THE TACHOMETER TO NOT WORK OR READ CORRECTLY.
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 THE PAST 2 MONTHS. I AM TERRIFIED TO DRIVE THIS VEHICLE AGAIN. I ALSO CANNOT KEEP THE DRIVERS SIDE HEADLIGHT WORKING. BULBS CONSTANTLY BLOW OUT AT OVER 300.00 DOLLARS EACH. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
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 THE PAST 2 MONTHS. I AM TERRIFIED TO DRIVE THIS VEHICLE AGAIN. I ALSO CANNOT KEEP THE DRIVERS SIDE HEADLIGHT WORKING. BULBS CONSTANTLY BLOW OUT AT OVER 300.00 DOLLARS EACH. *TR
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 SWITCH CAUSES MY INSTRUMENT CLUSTER GAUGE TO GO IN AND OUT, THE CHECK ENGINE LIGHT COMES ON, MY TRUCK JERKS TRYING TO SWITCH GEARS, IT WILL SOMETIMES START UP AFTER SEVERAL TRIES, IT CAUSES THE RPM'S TO READ OVER 7 WHEN I'M ONLY DRIVING 60 MPH. IT SHOULD READ BETWEEN 2 AND 3 RPM'S. I'M CONSTANTLY SWITCHING THE ECM RELAY PLUGS TO START MY TRUCK. THE AIR BAG AND IPDM ECM RELAY WAS NOT COVERED UNDER MY EXTENDED WARRANTY WHEN I PURCHASED MY VEHICLE. THIS HAS BEEN GOING ON SINCE I PURCHASED IT 4YEARS AGO.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
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 SWITCH CAUSES MY INSTRUMENT CLUSTER GAUGE TO GO IN AND OUT, THE CHECK ENGINE LIGHT COMES ON, MY TRUCK JERKS TRYING TO SWITCH GEARS, IT WILL SOMETIMES START UP AFTER SEVERAL TRIES, IT CAUSES THE RPM'S TO READ OVER 7 WHEN I'M ONLY DRIVING 60 MPH. IT SHOULD READ BETWEEN 2 AND 3 RPM'S. I'M CONSTANTLY SWITCHING THE ECM RELAY PLUGS TO START MY TRUCK. THE AIR BAG AND IPDM ECM RELAY WAS NOT COVERED UNDER MY EXTENDED WARRANTY WHEN I PURCHASED MY VEHICLE. THIS HAS BEEN GOING ON SINCE I PURCHASED IT 4YEARS AGO.
THE LIGHT STAY LIT LIKE THERE IS A PROBLEM WHEN I SPEAK WITH NISSAN AND INFINITY THEY STATES THEIR IS NO RECALL.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
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 THE PAST 2 MONTHS. I AM TERRIFIED TO DRIVE THIS VEHICLE AGAIN. I ALSO CANNOT KEEP THE DRIVERS SIDE HEADLIGHT WORKING. BULBS CONSTANTLY BLOW OUT AT OVER 300.00 DOLLARS EACH. *TR
TL* THE CONTACT OWNS A 2005 INFINITI QX56. WHILE TRAVELING 60 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS MERGED TO THE SIDE OF THE ROAD, WHERE IT WAS RESTARTED. THE CONTACT ALSO INDICATED THAT UPON RESTARTING THE VEHICLE, IT WOULD NOT GO OVER A SPEED OF 40 MPH. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR FURTHER INSPECTION AND DIAGNOSIS. THE CONTACT WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER: 10V517000 (ENGINE AND ENGINE COOLING). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
A 2005 INFINITY QX56 WAS BEING DRIVEN AT 50 MPH ON A HIGHWAY WHEN THE AUTOMATIC TRANSMISSION COOLER HOSE RUPTURED RELEASING THE ATF FLUID. THE TRANSMISSION WAS LOSING ATF . LOST THE ABILITY TO PROPEL THE CAR. AT THAT TIME I HAD MY WIFE AND 2 YOUNG CHILDREN IN THE CAR. THE CAR WAS DRIVEN INTO A NEARBY SHOPPING PLAZA PARKING LOT AND WAS UNABLE TO MOVE AFTER THAT POINT. THE RUPTURE COULD HAVE LEAD TO A CRASH SITUATION. THE INCIDENT CAUSED A SHORT TERM FRICTION MATERIAL FAILURE WEEK LATER. THE HOSE WAS REPLACED AND TRANSMISSION CLEANED AND FLUSHED. THE TRANSMISSION WORKED UNTIL JUNE 3 , 2014. THE TRANSMISSION WOULD NOT SHIFT TO 4TH GEAR AT 55 MPH ON A INTERSTATE, HAD TO PULL OVER AND TOW THE CAR TO THE MECHANIC SHOP, WHERE I WAS TOLD THAT TRANSMISSION HAS TO BE REPLACED OR TOTALLY REBUILD..... BOTH INCIDENTS COULD EASILY HAVE CAUSED A CRASH. *TR
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
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
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)
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 ONBOARD COMPUTER THAT CAUSES THE TACHOMETER TO NOT WORK OR READ CORRECTLY.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
BRAKE PROBLEM USUALLY OCCURS AFTER A TURN WHEN ACCELERATING TO ABOUT 20 TO 30 MPH. STEERING WHEEL BEGAN TO VIBRATE WHEN PRESSURE IS APPLIED TO THE BRAKES, BRAKE DASH LIGHTS COMES ON AND THE BRAKE PEDAL PULSATES AND GOES ALL THE WAY TO THE FLOOR. SOUNDS ALSO ARE HEARD FROM THE FRONT BRAKES (RUBBING AND GRINDING). THE VEHICLE WILL BARELY STOP WHEN THIS HAPPENS. THANK GOD WE ARE NOT GOING AT A HIGH RATE OF SPEED WHEN THIS OCCURS, IF SO, WE WOULD NOT BE ABLE TO STOP THE TRUCK IN TIME. PROBLEM ALWAYS STOPS AFTER WE PULL OVER AND PUT THE VEHICLE IN PARK AND TURN THE ENGINE OFF. THIS HAS OCCURRED ON MANY OCCASIONS WITH RECENTLY SEVERAL INCIDENTS IN ONE WEEK, OTHERWISE IT HAPPENS ABOUT ONCE A MONTH. WE ARE AFRAID THAT THE PROBLEM IS GETTING WORSE AND MAY LEAD TO AN ACCIDENT. WE LOVE THE VEHICLE BUT JUST WANT THE REPAIRS MADE BEFORE SOMETHING HAPPENS. ALSO, THE AIRBAG LIGHT RECENTLY CAME ON AS WELL. QUESTION; ARE THERE RECALLS ON THESE PROBLEMS? *TR
THE A/C SWITCH THAT CONTROLS THE REAR FAN SPEED ON THE FRONT DASH DOES NOT WORK. THE INTERNAL PLASTIC HAS BROKE AND THE NOB JUST TURNS. THE ONLY WAY NOW TO USE THE REAR A/C IS TO STRETCH WAY BACK IN THE REAR AND TURN IT ON. I WENT TO TEST DRIVE A NEWER QX56 AND THAT NOB WAS ALSO BROKEN. I TEST DROVE ANOTHER ONE AND THE REAR AIR WAS CONTINUOUSLY RUNNING. I TOOK MY 2005 QX56 TO AN INFINITI DEALER AND THEY SAID THE ENTIRE PANEL HAS TO BE REPLACED AT $565.00 EVEN THOUGH ONLY ONE NOB IS BROKEN. PLEASE HELP. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
DRIVER SIDE FRONT SUSPENSION SPRING COMPLETELY BROKEN AND COLAPSED LEAVING THE CAR ONLY SUPPORTED BY THE DRIVER ABSORBER SHOCK. THE LEFT FRONT END IS LEANING 2 INCHES LOWER THAN USUAL. I ASSUME THIS A HAZARD AND COULD CAUSE A VEHICLE TO LOOSE CONTROL AND ACCIDENTS.
I HAVE A 2005 INFINITI QX56. ON APRIL 5, 2007 I GOT ON THE RAMP TO THE HIGHWAY AND AT THE ENTRANCE OF HIGHWAY SUDDENLY THE CAR'S DRIVER SIZE FRONT SUSPENSION BROKE. THIS SUDDEN MECHANICAL DEFECT CAUSED THE CAR SPUN OUT OF CONTROL AT 6:30 PM IN AFTERNOON TRAFFIC THAN IT WAS REAR-ENDED BY THE CAR BEHIND WHICH CAUSED 4 CAR COLLISION.*AK
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
WHEN CAR STOP ON STOP SIGN, READY TO GO, BRIEF A MOMENT IT HOLD A CAR & THEN GO. I HAVE BEEN TAKING TO A DEALER FOR FIX ,THEY COULDN'T FIX OR THEY COULDN'T FIND A PROBLEM. SEEMS TO ME EITHER THE TRANSMISSION OR FUEL RELATE PROBLEM. MY CAR IS INFINITI QX56. PLEASE LOOK IN TO THIS PROBLEM. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2005 INFINITI QX56. WHILE TRAVELING 15 MPH, THE VEHICLE WOULD NOT ACCELERATE OVER 15 MPH AND THE RPMS WOULD NOT RISE ABOVE 2000. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS INFORMED THAT THE THROTTLE BODY WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED YET THE FAILURE RECURRED. THE CONTACT STATED THAT THE THROTTLE BODY WAS REPLACED TWICE PRIOR TO THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 77,000 AND THE CURRENT MILEAGE WAS 85,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
IN MY 2005 INFINITI QX56 THE DOOR HANDLE GETS STUCK WHEN IT IS COLD (AROUND OR BELOW 15 DEGREES). THE DOOR SEEMS LIKE IT IS CLOSED BUT IT IS NOT AND DURING TUNS IT SWING OPENS. I HAD TO TIE IT WITH WHATEVER I HAD AVAILABLE TO THE SEAT TO BE ABLE TO DRIVE BACK HOME. SEARCHING ONLINE, I FOUND THAT IT IS A COMMON PROBLEM WITH INFINITI AND NISSAN AND THERE ARE NO RECALLS FOR IT AND THE DEALER CHARGES AROUND $300-$500 TO FIX THIS. WHICH IS VERY UNFAIR. I AM REQUESTING YOU TO PLEASE EXPOSE THIS ISSUE SO NISSAN FIXES THIS. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .