KnownCarProblems2011 Infiniti QX56 Problems and Recalls
Owners filed 78 complaints with NHTSA about the 2011 Infiniti QX56, most often about the engine (50% of complaints, typically around 100,000 miles). It is 4th of 10 QX56 model years by number of complaints and has 2 recalls.
Most common 2011 Infiniti QX56 problems
Engine
39 complaints · 50%Half of these problems showed up before 100,000 miles. Parts named most often: exhaust system.
Today, I was told that I have to replace the catalytic converter, which going to cost me $2,000. I am the original car owner. I researched other sites and it appears there catalytic converter issues on Infiniti 2011 - 2013 QX56 vehicles. Please look into these websites. There should be some type of recall for these…
The service engine soon light came on, and I brought the vehicle to holmon Infiniti in mapleshade, nj where I purchased the vehicle. The diagnosis was a bank 2 catalytic convertor failure. I had it replaced at a cost of $2,661.79 on thursday march 29, 2018. On saturday march 31, 2018, the bank 1 catalytic convertor…
Fuel system
20 complaints · 26%Half of these problems showed up before 102,000 miles.
Fuel leveling sensor is faulty in a large variety of Infiniti cars, but there is not recall for my VIN. The car's fuel gauge goes up and down all the time and tells me I'm on empty when I'm not and never registers full even when it was just filled up. It can jump from reading 330 miles left to empty down to 299 and…
Infiniti/nissan issued a recall back in 2010 (recall id#10v074000) for fuel gauge/sensor sending unit problem. The same issue is happening on later year vehicles, but no recall has been issued. There are endless reports on the web across many forums where people are having the same problem for something that has been…
Suspension
9 complaints · 12%Half of these problems showed up before 76,500 miles.
I purchased my 2011 Infiniti qx56in january of 2015 with 36,6036 miles on it. I take excellent care of my vehicle mechanically and cleanliness. On august 17th, 2019 my back a frame and other rear suspension broke due to corrosion and the metal split apart. My under carriage also looks like and old car. My car is…
The contact owns a 2011 Infiniti QX56. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the vehicle. The contact pulled over and inspected underneath the vehicle. The contact became aware that the rear lower control arm on the passenger's side was fractured in…
Other or unspecified
8 complaints · 10%Half of these problems showed up before 90,000 miles.
In june 2017, I had the vehicle into the dealership for the power train recall. In july 2017 (87k miles), I had a 420 bank 1 cat code, and replaced one catalytic converter. In december 2017 (94k miles), the 'check engine soon' light illuminated again, and the 430 code shows the other catalytic converter (bank 2) needs…
The service engine light came on and the vehicle was checked by Infiniti service. The right side catalytic converter failed. We repaired that (about 2 weeks ago). Today, the same service engine light came on and it is the left catalytic converter. The total amount spent to repair both of the catalytic converters will…
Transmission
4 complaints · 5%Problems with the timing belt chain on newer model Infiniti QX56. Problem of car making whistling noise appeared early after purchase and intermittently thereafter but became prominent in july 2011. Appears to be a recurring problem with this vehicle model. Dealer had to replace the entire engine on the vehicle to…
Fuel leveling sensor is faulty in a large variety of Infiniti cars, but there is not recall for my VIN. The car's fuel gauge goes up and down all the time and tells me I'm on empty when I'm not and never registers full even when it was just filled up. It can jump from reading 330 miles left to empty down to 299 and…
Visibility and wipers
3 complaints · 4%Parts named most often: windshield.
The contact owns a 2011 Infiniti QX56. The contact stated that there was a six inch fracture in the front windshield under the wiper. The vehicle was parked overnight in a residential driveway and the fracture was not present the night before. The contact took the vehicle to the dealer where the dealer advised that it…
Front wind shield cracks with the slighted hit on my second one in three months. If it can not withstand road debris imagine a car accident.
Electrical
3 complaints · 4%The battery constantly goes dead in the car. I bought a new infinity battery in the car the same thing happened. You can reproduce this problem by sitting in the car listening to the radio for 30 minutes. I was sitting in the car listening radio and the car battery went dead and the car shut off. This is a huge issue…
The contact owns a 2011 Infiniti QX56. The contact stated that the vehicle lost battery connection and the battery failed. There was no warning indicator illuminated. The contact stated that the failure recurred several times and the battery was either replaced or recharged in some cases. The vehicle was taken to…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2011 Infiniti QX56 recalls
Equipment: labels
Risk: An overloaded vehicle can increase the risk of a crash.
Fix: Dealers will install new labels, free of charge. Additionally, nissan will mail replacement labels to owners. Interim letters notifying owners of the safety risk were mailed september 2, 2026. Additional letters will be sent once the final remedy is available, anticipated fall 2026. Owners may contact nissan customer service at 1-800-867-7669. Nissan's numbers for this recall are r26b1 and p6a13/4. Vehicle identification numbers (vins) involved in this recall became searchable on NHTSA.gov on july 16, 2026.
Full defect summary
Nissan north america, inc. (nissan) is recalling certain 2020-2026 nissan armada, 2011-2013 infiniti qx56, and 2014-2027 qx80 vehicles equipped with 22" wheels. The gross axle weight rating (gawr) listed on the certification label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of federal motor vehicle safety standard number 110, "tire selection and rims."
Air bags: inflator module
Risk: An inflator rupture may result in metal fragments striking the driver or other occupants resulting in serious injury or death.
Fix: Nissan will notify owners, and dealers will replace the front driver air bag inflators, free of charge. The recall began may 7, 2020. Owners may contact nissan customer service at 1-800-867-7669 or infiniti customer service at 1-800-662-6200.
Full defect summary
Nissan north america, inc. (nissan) is recalling certain 2012-2017 nv cargo and nv passenger van, 2013-2015 titan and armada and 2011-2012 infiniti qx56 vehicles. Due to a manufacturing issue, the air bag inflator may not function properly or may rupture during deployment.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
Questions about the 2011 Infiniti QX56
- What are the most common problems with the 2011 Infiniti QX56?
- By NHTSA owner complaints: engine (39 complaints, typically around 100,000 miles); fuel system (20 complaints, typically around 102,000 miles); suspension (9 complaints, typically around 76,500 miles).
- How many recalls does the 2011 Infiniti QX56 have?
- 2 recalls listed by NHTSA, the latest from July 15, 2026 (equipment). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2011 a bad year for the Infiniti QX56?
- It is 4th of 10 QX56 model years by number of complaints, with 78 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.