2020 Subaru Ascent Electrical System
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
BATTERY DIED AFTER THREE MONTHS. CHARGED THEN DIED COMPLETELY. TOWED TO DEALER FOR NEW BATTERY. HAD NOTHING TO DO WITH RAIL GATE
HAD ONLY 5800 MILES AND COST CELL PHONE WORKSHEET COME THROUGH SPEAKER THEN COULDN'T OPEN TAILGATE. NEXT DAY BATTERY WAS DEAD AFTER GETTING ON CAR AND DASH LIGHTS FLASHED LIKE A XMAS TREE.
BATTERY HAS DIED TWICE WITHIN THE FIRST 12,000 MILES WITHOUT WARNING.
1600 MILES AND CAR WILL NOT START, BATTERY KEEPS DRAINING/DIEING AND RADIO STOPPED WORKING.
ENGINE SHUT OFF WHILE DRIVING 50-55 MPH. MESSAGE "KEYLESS INGNITION SYSTEM DISABLED" . COULD NOT RESTART. POWER STEERING AND BRAKES WORKED, NO LOSS OF LIGHTS OR RADIO. COULD NOT TURN OFF COMPLETELY. RESTARTED AFTER 1/2 HOUR. DROVE 300 YARDS AND ENGINE SHUT OFF AGAIN, SAME MESSAGE. AFTER AN HOUR CAR WAS TOWED, BUT RESTARTED. DEALER COULD FIND NO PROBLEMS. MILEAGE, 4,500. CAR 6 MONTHS OLD. NO RECURRENCE AFTER 3 WEEKS AND ANOTHER 500 MILES. INCIDENT OCCURRED OPPOSITE A CELL TOWER.
TWICE MY 2020 SUBARU ASCENT'S BATTERY HAS BEEN DEAD. IT HAS BEEN DRIVEN EVERY DAY FOR AT LEAST 20-30 MINUTES. NOTHING WAS LEFT ON, OR OPEN. THERE IS OBVIOUSLY AN ELECRICAL ISSUE DRAINING THE BATTERY.
IN AM TAILGATE FOUND OPENED (BY ITSELF), BATTERY DEAD , 3 JUMP STARTS OVER 24HRS BATTERY STILL NOT RECHARGING AFTER 6 HRS CONTIN. OPERATION, NOW CARPLAY AND BLUTOOTH MICROPHONE NOT WORKING, MANY COMPLAINTS ONLINE RE THIS, NO MANUAL TAILGATE OPENING, AND NO WORKING BATTERY SHUT OFF OF TAILGATE OR ITS LIGHT IN SOFTWARE
Trend Over Time
Complaints by year
Other Issues
Common problems reported
Quick Summary
The 2020 Subaru Ascent has 82 Electrical System complaints on file. Review the timeline above for detailed owner experiences.