Problems · NHTSA complaints

2012 Infiniti EX35 problems

Owners filed 5 complaints about the 2012 Infiniti EX35 with NHTSA between Mar 2014 and Feb 2020. The most-cited component is engine (2).

Complaints
5
Filed with NHTSA
Crashes
1
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. Air bags2
  3. Fuel/propulsion system1
  4. Seats1
  5. Service brakes, hydraulic1
  6. Parking brake1

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 9, 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
20142
20150
20160
20170
20180
20192
20201

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
“CHECK ENGINE LIGHT HAS BEEN ON FOR 2 YEARS. I'VE REPAIRED JUST ABOUT EVERYTHING POSSIBLE THAT COMES UP ON THE CODE READER AND NOTHING KEEPS THE ENGINE LIGHT OFF. I'VE GONE TO THE DEALER FOR REPAIRS AND THEY CANNOT EVERY GUARANTEE THEIR WORK WILL FIX THE PROBLEM. ANOTHER MECHANIC HAS REPAIRED AIR FLOW SENSORS, ETC. AND HE KEEPS TELLING ME IT'S A COMPUTER UPDATE THAT'S NEEDED TO FIX THE LIGHT - NOT THE PROBLEM WITH MY CAR.”
Owner complaint to NHTSAFiled Feb 13, 2020Engine, Fuel/propulsion systemODI 11309022

Air bags

2 reports
“CAR SEAT PASSENGER FAULT CODE B-1018 SENSOR IN SEAT CUSHION IS DEFECTIVE WHICH PREVENTS AIR BAG FROM DEPLOYING FOR PASSENGERS.”
Owner complaint to NHTSAFiled Dec 2, 2019Air bags, SeatsODI 11286473

Fuel/propulsion system

1 report

Seats

1 report

Service brakes, hydraulic

1 report1 crash
“2012 INFINITI EX35 JOURNEY. CONSUMER WRITES IN REGARDS TO VEHICLE BRAKE FAILURE. *SMD THE CONSUMER STATED SHE PARKED THE VEHICLE IN THE DRIVEWAY ON A MODERATE SLOPE COVERED WITH LIGHT SNOW. THE CONSUMER WENT BACK OUTSIDE STOOD BY THE VEHICLE, WHEN ALL OF A SUDDEN IT POPPED OUT OF PARK AND STARTED ROLLING DOWN THE HILL. THE CONSUMER MANAGED TO CATCH UP WITH THE VEHICLE, OPENED THE DOOR AND PUT HER FOOT ON THE PARKING BRAKE, AND THE VEHICLE STOPPED. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THEY WERE UNABLE TO FIND ANYTHING WRONG. THREE DAYS LATER, THE CONSUMER PARKED THE VEHICLE IN THE DRIVEWAY, WHICH HAD A GRADUAL SLOPE AND SHE APPLIED THE EMERGENCY BRAKE. WHEN THE CONSUMER RETURNED TO THE VEHICLE 45 MINUTES LATER, SHE WAS SHOCKED TO SEE, THE VEHICLE HAD ROLLED AND WAS WEDGED AGAINST THE DIVIDER BETWEEN TWO GARAGE DOORS. THE FENDER WAS DENTED AT THE BACKUP SENSOR. THE DEALER KEPT THE VEHICLE FOR A WEEK, ONLY TO BE TOLD, THEY COULD NOT DUPLICATE THE PROBLEM. A CONSUMER AFFAIRS REP FROM INFINITI INDICATED THE ROLL HAS BEEN REPRODUCED MANY TIMES. SHE STATED WHEN THE VEHICLE WAS TURNED OFF, THE BRAKE MECHANISM ENGAGED THE LEFT REAR WHEEL ONLY. IF THERE WAS A SLIGHT…”
Owner complaint to NHTSAFiled Mar 26, 2014Service brakes, hydraulic, Parking brakeCrash reportedODI 10572479

Parking brake

1 report1 crash
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 9, 2026

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