Rear hatch ajar sensor false alarm
ELECTRICAL SYSTEM
36 NHTSA complaints · 2013-06 → 2020-08
“BACK DOOR AJAR, INTERIOR LIGHT AND A BING SOUND COME ON WHEN I TURN LEFT”
“FALSE BACK DOOR AJAR WARNING. SAFETY CONCERN”
“WHEN DRIVING AND TURNING OR GOING OVER A BUMP THE "DOOR AJAR" INDICATOR BEEPS AND THE DOME LIGHTS TURN ON. BROUGHT TO AUTO SERVICE REPAIR SHOP AND THE LEFT REAR DOOR AND THE REAR GATE SENSOR/ACTUATOR NEED TO BE REPLACED. $1100!!”
“TL* THE CONTACT OWNS A 2010 TOYOTA HIGHLANDER. THE CONTACT STATED THAT THE DOOR AJAR ALARM WOULD SOUND WHILE TURNING LEFT. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 45,000”