Problems · NHTSA complaints

2012 Infiniti M56 problems

Owners filed 4 complaints about the 2012 Infiniti M56 with NHTSA between Jan 2012 and Aug 2022. The most-cited component is engine (2).

Complaints
4
Filed with NHTSA
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Engine2
  2. Electrical system1
  3. Fuel/propulsion system1
  4. Steering1
  5. Suspension1
  6. Wheels1
  7. Other / unknown1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 12, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20121
20130
20140
20151
20160
20170
20180
20191
20200
20210
20221

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Engine

2 reports
“My 2012 Infiniti M56 is having the same issues as the recall number 11V592000 My car is currently at an Infiniti dealership. It was noted that it was low on oil and the fusible link was destroyed to prevent the engine from seizing up. My life was put endanger as my car shut off at the red light intersection. I received no warning lamps or messages of symptoms prior to the failure. Failure 1st appeared July 17th, 2022 Summary NISSAN IS RECALLING CERTAIN MODEL YEAR 2011 INFINITI FX, MODEL YEAR 2012 INFINITI M, MODEL YEAR 2011-2012 NISSAN FRONTIER, MODEL YEAR 2011-2012 NISSAN XTERRA, MODEL YEAR 2011-2012 NISSAN PATHFINDER, AND MODEL YEAR 2012 NISSAN NV VEHICLES. SOME OF THE BOLTS THAT CONNECT THE ENGINE OIL COOLER AND THE ENGINE OIL FILTER TO THE ENGINE IN THESE VEHICLES MAY HAVE BEEN MANUFACTURED TO BELOW SPECIFICATION STRENGTH. AS A RESULT, THE BOLT MAY BREAK AT THE OIL FILTER ATTACHMENT POINT AND CAN CAUSE AN ENGINE OIL LEAK. Recall 11V592000 Consequence IF THERE IS AN ENGINE OIL LEAK, THE ENGINE OIL PRESSURE WOULD DROP AND THE ENGINE COULD SEIZE, INCREASING THE RISK OF A CRASH. Car”
Owner complaint to NHTSAFiled Aug 4, 2022Electrical system, Engine, Fuel/propulsion systemODI 11477571

Electrical system

1 report

Fuel/propulsion system

1 report

Steering

1 report
“TL* THE CONTACT OWNS A 2012 INFINITI M56. WHEN THE STEERING WHEEL WAS LOWERED TO BE ADJUSTED AT A CERTAIN DEGREE, IT SEIZED OR BECAME DIFFICULT TO MANEUVER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS CONTACTED AND STATED THAT THERE WAS NO RECALL FOR THE FAILURE. THE DEALER WAS NOT CONTACTED. THE APPROXIMATE FAILURE MILEAGE WAS 64,000.”
Owner complaint to NHTSAFiled Nov 20, 2019SteeringODI 11281394

Suspension

1 report
“I WAS DISAPPOINTED WITH MY 2012 INFINITI M37X PURCHASED ON 1/3/2012 AT INFINITI. MY SAFETY WAS PUT AT RISK WITH THIS VEHICLE. I TOOK DELIVERY OF MY NEW M37X ON THE NIGHT OF 1/4/2012. UPON DELIVERY, I DROVE AT HIGHWAY SPEEDS(65 MPH). THE CAR WAS VIBRATING CONSTANTLY, AND I FELT THE VIBRATIONS PROMINENTLY THROUGH THE STEERING WHEEL. WITHIN TWELVE HOURS OF DELIVERY, I CONTACTED INFINITI ABOUT THE SAFETY ISSUES VIA EMAIL AND TELEPHONE. ON 1/5/2012, I BROUGHT THE VEHICLE TO THE SERVICE DEPARTMENT AT INFINITI. INFINITI DIAGNOSED THE VEHICLE AND DISCOVERED TWO DEFECTIVE TIRES/WHEELS. I FEEL THAT MY SAFETY HAS BEEN PLACED IN JEOPARDY WITH THIS INFINITI VEHICLE. MY MINIMUM EXPECTATION FROM INFINITI IS THE DELIVERY OF A SAFE VEHICLE. *TR”
Owner complaint to NHTSAFiled Jan 11, 2012Suspension, WheelsODI 10443392

Wheels

1 report
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 12, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.