IllustrationTHE CATALYTIC CONVERTER BANK 1 NEEDS TO BE REPLACED. THIS SEEMS TO BE A COMMON ISSUE WITH TURN 2011-2013 INFINITY QX 56 AND INFINITY SHOULD HAVE ISSUED A RECALL FOR THE FAULTY CONVERTERS.
2011 Infiniti QX56
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2011 Infiniti QX56 do not stand out strongly from the model-year median of 55.
About this comparison →How this year compares
Owner complaints by model year
Compare all QX56 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
60–25K
225–50K
1050–75K
1675–100K
22100–150K
6150K+
62 reports with mileage · 16 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.
- Engine. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel/propulsion System. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Suspension. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports1 fire reports0 injury reports
What owners actually said
78 reportsTIMING BELT AND CATALYTIC CONVERTER FAILURE CONFIRMED MY INFINITI OF MARIETTA
WHILE DRIVING "SERVICE ENGINE SOON" LIGHT CAME ON, NOTICED POWER LOSS. DIAGNOSED WITH BAD CATALYTIC CONVERTER AT 85K MILES
SERVICE ENGINE LIGHT ON. BOTH CATALYTIC CONVERTERS NEEDED REPLACING AT 82,000
TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT HEARD AN ABNORMAL NOISE COMING FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO PEARSON INFINITI (11701 MIDLOTHIAN TURNPIKE, MIDLOTHIAN, VA 23113, 1-(804) 527-0300) WHERE IT WAS DIAGNOSED THAT THE TIMING CHAIN NEEDED TO BE REPLACED. THE CONTACT WAS INFORMED THAT THE DEALER WOULD C…
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TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT HEARD AN ABNORMAL NOISE COMING FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO PEARSON INFINITI (11701 MIDLOTHIAN TURNPIKE, MIDLOTHIAN, VA 23113, 1-(804) 527-0300) WHERE IT WAS DIAGNOSED THAT THE TIMING CHAIN NEEDED TO BE REPLACED. THE CONTACT WAS INFORMED THAT THE DEALER WOULD CHECK TSB NUMBER: 16-015 AND VOLUNTARY SERVICE CAMPAIGN: P6305 TO DETERMINE THE GUIDELINES TO REPAIR THE VEHICLE. THE VEHICLE WAS AT THE DEALER WAITING TO BE SERVICED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS NOT AVAILABLE.
TL* THE CONTACT OWNS A 2011 INFINITI QX56. WHEN THE VEHICLE WAS STARTED, AN UNUSUAL NOISE WAS HEARD FROM THE ENGINE AND THE CHECK ENGINE INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO NALLEY INFINITI MARIETTA (404-994-4328, LOCATED AT 2020 COBB PKWY SE, MARIETTA, GA 30060) WHERE IT WAS DIAGNOSED THAT THE TIMING BELT NEEDED TO B…
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TL* THE CONTACT OWNS A 2011 INFINITI QX56. WHEN THE VEHICLE WAS STARTED, AN UNUSUAL NOISE WAS HEARD FROM THE ENGINE AND THE CHECK ENGINE INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO NALLEY INFINITI MARIETTA (404-994-4328, LOCATED AT 2020 COBB PKWY SE, MARIETTA, GA 30060) WHERE IT WAS DIAGNOSED THAT THE TIMING BELT NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE WAS NOT REPAIRED. THE VIN WAS NOT PROVIDED. THE FAILURE MILEAGE WAS APPROXIMATELY 120,000.
TL* THE CONTACT OWNS A 2011 INFINITI QX56. WHILE OPERATING THE VEHICLE, A RATTLING NOISE WAS PRESENT COMING FROM THE ENGINE COMPARTMENT. THE RATTLING NOISE BECAME MORE PREVALENT AFTER STARTING THE ENGINE. THE VEHICLE WAS EXAMINED BY AN INDEPENDENT MECHANIC WHO INDICATED THAT THE TIMING BELT WAS FAULTY. THE VEHICLE WAS NOT REPAIR…
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TL* THE CONTACT OWNS A 2011 INFINITI QX56. WHILE OPERATING THE VEHICLE, A RATTLING NOISE WAS PRESENT COMING FROM THE ENGINE COMPARTMENT. THE RATTLING NOISE BECAME MORE PREVALENT AFTER STARTING THE ENGINE. THE VEHICLE WAS EXAMINED BY AN INDEPENDENT MECHANIC WHO INDICATED THAT THE TIMING BELT WAS FAULTY. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED, BUT NO ASSISTANCE WAS OFFERED. THE LOCAL DEALER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 90,000.
TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT HEARD AN ABNORMAL NOISE WHEN THE VEHICLE WAS BEING FUELED AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILU…
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TL* THE CONTACT OWNS A 2011 INFINITI QX56. THE CONTACT HEARD AN ABNORMAL NOISE WHEN THE VEHICLE WAS BEING FUELED AND THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS NOT TAKEN TO A DEALER OR AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 126,557.
"TAKATA RECALL" ONLY OWNER OF 2011 QX56, ALWAYS ON TIME WITH PROPER MAINTANCE. AFTER A RECALL ON THE TIMING CHAIN 2 DAYS AFTER PICKING UP VEHICLE THE SERVICE ENGINE LIGHT CAME ON, I CALLED THE DEALER THEY ADVISED IT WAS NORMAL TO GIVE IT A FEW DAYS. AFTER 3 DAYS LIGHT SES LIGHT CAME OFF, THEN ABOUT 8 MONTHS LATER THE SERVICE EN…
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"TAKATA RECALL" ONLY OWNER OF 2011 QX56, ALWAYS ON TIME WITH PROPER MAINTANCE. AFTER A RECALL ON THE TIMING CHAIN 2 DAYS AFTER PICKING UP VEHICLE THE SERVICE ENGINE LIGHT CAME ON, I CALLED THE DEALER THEY ADVISED IT WAS NORMAL TO GIVE IT A FEW DAYS. AFTER 3 DAYS LIGHT SES LIGHT CAME OFF, THEN ABOUT 8 MONTHS LATER THE SERVICE ENGINE SOON LIGHT WAS BACK, GOT IT CHECKED AND IT'S THE CATALYTIC CONVERTER.
CHECK ENGINE LIGHT ON, BOTH CATALYTIC CONVERTERS NEEDED REPLACING.
Official recalls
226V455000 · Equipment:other:labels
Jul 15, 2026
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."
Consequence & remedy
Consequence: An overloaded vehicle can increase the risk of a crash.
Remedy: 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.
20V188000 · Air Bags:frontal:driver Side:inflator Module
Mar 30, 2020
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.
Consequence & remedy
Consequence: An inflator rupture may result in metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: 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.
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
0No exact-year investigations in this snapshot.