2019 Subaru Ascent Electrical System
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
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Chronological view of owner reports
I have a 2019 Subaru Ascent Limited model with 96,xxx miles as of January 2025. In 2023, there was a safety recall for the PTC heater ground bolt sent first class mail for multiple year Ascent models. This recall was completed by local subaru dealership on 3/27/2023 stating "WRL 22 completed. Removed ground bolts and cleaned threads. Found no signs of heat damage. Removed and replaced bolts." Move forward to Saturday, [XXX]. I remote started vehicle from inside the house while on vacation in Bristol Tennesee. Car was running for roughly 5 minutes, when fire alarms inside the house starting going off. Seemed odd considering nothing was going on inside. Walked inside to see large amounts of white smoke coming from the windows of the Ascent. I was able to jump into the car and turn the engine off. I opened all 4 doors to let the car air out. I checked the engine, nothing seemed off. I then turned my attention to the air cabin filter, everything seemed normal as well. After the engine cooled and aired out, there is smoke damage to the vehicle. I was able to transport the car safely to Wallace Subaru which was less than 0.25 mile from our airbnb. I was quickly notified by the service technician that the car is not safe to drive until it was fixed. After further investigation, it was found that the PTC ground bolt has failed again, and this time melting the wiring harness and bolt around it. This was right next to the carpet and put my life as well as my wife, who is [XXX] and my [XXX] daughter. Thankfully we weren't in the vehicle when this occurred. There was no warning. No check engine light, nothing. No other issues leading into the incident. Car is still parked in Bristol TN at the dealership and I am 5 hours away in Lexington KY. Subaru has been uncooperative with this situation and is avoiding talking to me or making this situation better. I literally have no answers. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
We have had to replace battery twice and had to have auto club give us a jump start multiple times. We drive this vehicle once or twice a month, but something is causing battery to run down way to fast. Manufacturer claims we need to drive more often. I have always had one car, that burned to much fuel, and was used as an occasional vehicle, but never had this type of problem. Something needs to be provided so that battery does not leak power when it is a low use car. I don’t want the internal lights to turn on when I walk by, or for it to access the internet. I believe that this leaves us vulnerable to non-availability at a critical time. We are planning a multi-week trip and have no idea if car will start when we return. Nor is their a way to disconnect unneeded activity that is draining battery.
Car battery died in store parking lot. Low mileage (24,000). I do lots of short trips and this is a reported problem for 2019 Subaru Ascents. I had to wait 2 hours for someone to bring a charger to drive to auto parts store fire replacement battery.
Battery keeps dying.
Rear lift gate drains battery to the point where the vehicle won't start. The tailgate will beep three times, but will not open. Within 24 hours, the battery is insufficient to start it. You have to do a manual override to open the lift gate. The battery, starter and alternator were all tested and had no issues. I have to keep a jump pack in the car as the issue has become more frequent. The local Subaru dealership in Mequon, WI said they would replace the battery, but won't replace the module identified in a technical service bulletin for no charge: https://static.nhtsa.gov/odi/tsbs/2019/MC-10163522-0001.pdf This seems to be a very common problem with the MY19 Ascents.
Car system drains battery for no reason. Opening a trunk or door for a 5-10min to load or unload vehicle is enough to drain a new full battery. This can leave people stranded in parks and remote areas. We have had the battery checked and verified it is good. This problem has happened multiple times on our Ascent.
Arrived at my car after traveling for the weekend, and arrived to my car to find out the battery was dead. Nothing on, lights were in Auto like normal. The last thing I did after getting out of my SUV was grabbed my suitcase from the trunk. I think it must not of latched correctly and it drained the battery. There is supposed to be a light delay to preserve the battery but it did not work in this case. I still can't open the trunk. This happened once before while camping with our dogs we left the tailgate up to unpack and pack the SUV. We loaded the dogs up to leave the campsite. When we went to start the SUV the battery was dead. Seems leaving the tailgate open drains the battery. The problem is even after we got our car jumped and the car was operating okay, we could not open the tailgate. It just makes a beeping sound like it wants to release but will not open. The manual handle should allow anyone to open the gate even if there is a electrical disturbance. This is a safety issue related to not being able to get our dogs out of the cargo compartment. Our dogs are over 100 lbs and their travel crates are large and need to be opened from the rear of the vehicle.
The radio started turning on and off repeatedly and does not work. The back door will not open using any of the buttons.
Battery drains and goes dead at least once a month. Battery was replaced by dealer and still having battery drain issues.
Battery went dead after leaving tailgate open for 1hr
The contact owns a 2019 Subaru Ascent. The contact received notification of NHTSA Campaign Number: 22V907000 (Electrical System) however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.
The contact owns a 2019 Subaru Ascent. The contact stated that she became aware that the VIN was included in a recall. The VIN tool confirmed that the VIN was included in NHTSA Campaign Number: 22V907000 (Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The local dealer was not notified of the issue. The manufacturer was notified of the issue and the contact was informed that she would be notified within 24 hours. The contact had not experienced a failure. Parts distribution disconnect.
Battery drains fully from unknown reason. This has happened at least 3 times since purchasing the vehicle, brand new, in 2019. I have had to call roadside assistance within the first year and have purchased a 2 other new batteries. There were no light or other electrical items on which would have drained the battery. It’s starts slow where I need to jump start the vehicle about 5 times before the battery is completely dead. It puts me and my family at risk of being in an isolated or unsafe place when the battery dies and need to wait for roadside service. To my recollection there were no safety checks completed for this issue. I do have a scheduled appointment at a Subaru dealer on 10/27/22 where I will ask them to look at this. There were no warning signs or indications prior to the battery draining.
Battery dead, once 6 months ago when rear gate opened and closed several times before staying open for a few hours before neighbor asked if I knew it was open. Battery dead after driving to 2 stops on 10/24/22 then dead again in airport parking on 10/28/22 when returning from trip. Took into dealership 10/29/22 and problem confirmed although not sure if it is the battery or charging the battery. No warning lamps. Have to wait by myself until I can get a jump start. Don’t know when or where it might not start, puts my safety at risk by not knowing where or at what time of day or night I might be stranded.
Electrical system repeatedly malfunctions. Intermittent starting and shut-off issues, rear hatch will not properly operate, per dealer the radio was replaced, and periodic unexplained battery drain issues resulting in replacement of battery. Dash warnings are displayed for no apparent reason. When radio was replaced there were still issues and dealer said it "would take a few days for the issues to resolve." Even after battery and radio replacement periodic shutting off car and restarting is necessary for volume control and station change. Safety could be an issue if car will not start, or shut off as related in a timeline attachment. Dealer is unable to reproduce periodic/intermittent issues.
The day I bought the car new I left the tailgate open all night the next day the battery was dead. This should not have happened to a brand new car. The next incident occurred this year on 3/18. I was sitting in the car waiting for my husband. I was there for about an hour. I was listening to the radio and talking on the phone. When I tried to start the car the battery was dead. The AAA person said the original battery was a piece of s**t. He recommended replacing it which I did.
Subaru ascent issues with electrical system and battery. Engine cranks longer than it should before starting- anywhere from 5 to 25 seconds. Battery dead multiple times. Have taken to Subaru multiple times, they replaced the batter once but have ignored repeated requests to fix the issue of parasitic battery drain from faulty electrical system.
The contact owns a 2019 Subaru Ascent. The contact stated that the battery would be drained overnight and the vehicle had to be jumpstarted. The failure was intermittent at first but had since become constant. The contact stated that when the vehicle was first purchased, the dealer installed a new battery. The contact stated the battery level warning light was illuminated whenever the battery was drained. The contact had not taken the vehicle to a local dealer or independent mechanic to be diagnosed. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 30,000.
The contact owns a 2019 Subaru Ascent. The contact stated that the battery was completely drained and the vehicle could not be started. There was no warning light illuminated. The contact had taken the vehicle to the dealer who diagnosed the vehicle and determined that the battery had drained and that the battery needed to be replaced. The vehicle was repaired however, the failure reoccurred. The failure recurred three times. The manufacturer was not made aware of the failure. The approximate failure mileage was 30,000.
The Subaru Ascent I purchased in January 2019 failed to start on November 13th, 2021., with about 17100 miles! I contacted the dealer who asked me to Subaru roadside assistance to have the vehicle towed to the dealer. The dealer diagnosed the problem as a dead battery and replaced the battery. I had used the rear power liftgate the previous night to remove groceries. The premature failure of the Subaru Ascent battery represents a serious risk of leaving owners stranded away from home.
My battery drains rapidly on many occasions, and as you can assume it is never a fun time being stranded. When you own a car this expensive, you expect it to work. We have replaced the battery twice already in our 2019. The car completely shuts down with the drained battery and leaves you stranded and begging for a battery jump. With two kids and being a women this leaves me vulnerable to many dangers. I would say including the time Subaru replaced the battery and the time my husband replaced it, we have lost total power due to this failure a dozen times or more. If I’m loading feed bags or recycling and the trunk is open for more then 30 minutes ,without the car being turned on burning fuel and releasing carbon dioxide into my face, the car will die. I am aware of it’s sensitive battery and try to avoid these situations, BUT it happened again on vacation this weekend prompting me to be quite angry with the car. It is a definite issue with the Subaru its-self and not an error on its humans part. The car battery drains completely because of wiring issues. The defect has cost me over $500 plus hours of stress and anxiety. I’d like to join the class action law suit against Subaru. After reading that they, Subaru corporation, claim no responsibility.
Electrical (dead battery) issues. On 4 or 5 different days during the last 3 years, I have attempted to start my car and found the battery completely drained. In March of 2022, I replaced the battery at my own expense ($235.30). I assumed this would surely cure the problem. However, another dead battery on 8-18-22. I learned (at that time) there are numerous 2019 Subaru Ascent owners with similar problems.
My battery continues to drain prematurely. It’s been replaced twice within the year, and I just took it in for a 3rd time and the Subaru service department cannot diagnose the problem claiming my batteries were bad. There has to be an electrical problem. I’ve never owned a car with this issue and it’s less than 3 years old. It’s left me stranded with my children.
I am experiencing battery drain. I have replaced the battery and had the starter and alternator checked. Everything is fine, but the battery continues to drain inappropriately. Yes, the battery and electrical system are available for inspectioon. My son and I have been left stranded on multiple occasions, risking our safety. The vehicle was inspected and the problem confirmed by an independent service center, B & G Automotive, Eugene, OR. The vehicle or component has not been inspected by the manufacturer, police, insurance representatives or others? There were not any warning lamps, messages or other symptoms of the problem prior to the failure.
What component or system failed or malfunctioned, and is it available for inspection upon request? Battery was drained completely when rear hatch is opened for the short period of time to unload stuffs from the car. Similar situation happened when the car was about a year old. When rear hatch was opened for less than an hour to sit at rear part of the car and watch an event, battery was completely drained and we had to call road side service to restart the car. My car is available for inspection. How was your safety or the safety of others put at risk? Both of my cases did not caused safety issue. But it will be a serious safety issue if it happens at a remote location where there is no other car or cell phone signal to call for help. Our family do travel to remote location where there is no cell phone signal. Has the problem been reproduced or confirmed by a dealer or independent service center? I am very sure that problem can be reproduce by simply opening rear hatch for a while. When I took car to the dealer, the representative was aware of the issue but was not willing to provide free service to fix the issue because basic warranty was expired. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? No Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? No. It first happened when the car was about a year old (12,000 miles).
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The 2019 Subaru Ascent has 123 Electrical System complaints on file. Review the timeline above for detailed owner experiences.