There are 1 stored owner reports matching the engine leading-label group for the 2012 Toyota FJ Cruiser in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)THE DESIGN OF THE VENTILATION SYSTEM IN THE FJ CRUISER (AND OTHER TOYOTAS) ALLOWS EASY ACCESS FOR DISEASE-CARRYING RODENTS TO ENTER THE VENTILATION SYSTEM AND THE CABIN. IN THE SOUTHWEST DEER MICE ARE CARRIERS OF ANTIVIRUS, A SEVERE RESPIRATORY DISEASE SPREAD VIA THE FECES AND URINE OF THESE MICE. (NEARLY 30% OF THE DEER MICE IN NEW MEXICO ARE INFECTED AND EVERY YEAR PEOPLE CONTRACT THE VIRUS USUALLY VIA SWEEPING MOUSE DROPPINGS WHILE CLEANING ENCLOSED AREAS. CHECK THE CDC WEBSITE.) BECAUSE THE MICE CAN EASILY ACCESS THE CABIN FILTER AND BLOWER THEY COULD SPREAD THIS VIRUS TO OCCUPANTS OF THE VEHICLE THROUGH THE VENTS AND DIRECTLY BY INFESTING THE INTERIOR. MY LOCAL DEALER HAS DEALT WITH MANY RODENT NESTS INFESTING TOYOTAS--SOONER OR LATER SOMEONE WILL BE INFECTED WITH THIS DEADLY VIRUS. THECENTERS FOR DISEASE CONTROL DOCUMENTS THE SERIOUS THREAT OF ANTIVIRUS. I PARK A HONDA ACCORD AND A CIVIC NEXT TO MY FJ AND HAVE NEVER HAD THIS INFESTATION PROBLEM. THE AIR VENT UNDER THE WINDSHIELD COWL AND ALL OPEN VENTS NEED TO BE SCREENED TO KEEP RODENTS OUT OF THE VEHICLE. UNDER WARRANTY TOYOTA SHOULD RETROFIT WITH SCREENING ALL ACCESS POINTS THAT ALLOW RODENTS TO ENTER THE CABIN. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.