NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
48 reportsClear category filter19,000 miles · Aug 19, 2026
Engine
The contact owns a 2020 Subaru Outback. The contact stated that on various occasions upon bringing the vehicle to a stop or upon acceleration the vehicle had experienced a total loss of automotive power, and all of the warning lights would remain illuminated. The vehicle was taken to a local dealer where it diagnosed and the con…
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The contact owns a 2020 Subaru Outback. The contact stated that on various occasions upon bringing the vehicle to a stop or upon acceleration the vehicle had experienced a total loss of automotive power, and all of the warning lights would remain illuminated. The vehicle was taken to a local dealer where it diagnosed and the contact was advised that the battery, and thermal valve were faulty and needed to be replaced. The battery had been replaced five times however the contact noted that the failure persisted. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 19,000.
NHTSA ODI #11757956
Mileage unknown · Jul 21, 2026
EngineFuel/propulsion SystemWheels
The warning lights on our 2020 Subaru Outback have lit intermittently for the past 2 years. When bringing the vehicle into the dealer for service and oil changes, this was reported. Recently the TPMS light began to light intermittently. Tire pressure was checked and adjusted but the problem persisted. When we brought the vehicle…
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The warning lights on our 2020 Subaru Outback have lit intermittently for the past 2 years. When bringing the vehicle into the dealer for service and oil changes, this was reported. Recently the TPMS light began to light intermittently. Tire pressure was checked and adjusted but the problem persisted. When we brought the vehicle in for service, it turned out that all tire pressure sensors needed to be replaced BUT the service techs identified other problems that surfaced JUST AS THE CAR WAS NOT COVERED BY WARRANTY - the most serious being an oil leak caused by FAILURE OF CAM CARRIER SEALS. This caused a dangerous condition where oil was leaking onto the engine and into the spark plugs. I find it odd that this EXPENSIVE issue was not discovered sooner. Subaru and only Subaru has been servicing this vehicle since new and they should have caught it.
NHTSA ODI #11751812
Mileage unknown · Jul 10, 2026
EngineFuel/propulsion SystemFire
What component or system failed or malfunctioned, and is it available for inspection upon request? - Car fire, originating under the hood. Unknown if vehicle is available for inspection. Last reported by Insurance company to be at IAA; [XXX]; PH#: [XXX]. How was your safety or the safety of others put at risk? - Car fire began…
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What component or system failed or malfunctioned, and is it available for inspection upon request? - Car fire, originating under the hood. Unknown if vehicle is available for inspection. Last reported by Insurance company to be at IAA; [XXX]; PH#: [XXX]. How was your safety or the safety of others put at risk? - Car fire began while in the car after moving through an intersection with a stop light. Four of us in the car, ages raging from [XXX] old. Fire quickly spread; however, we were able to exit the car without injury. Has the problem been reproduced or confirmed by a dealer or independent service center? - NO, car was totaled and Subaru, NA Consumer Advocacy agent assigned claims that the vehicle is no longer available for inspection. Both insurance company (Travelers Auto) and Subaru, N.A. consumer advocacy group made aware of our concern as to why the vehicle caught fire. One or both demonstrated nonchalance of this concern. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? - YES - Just prior to the start of the fire, the vehicle stalled and cut-off with CHECK ENGINE LIGHT. Also, we smelled an unusual exhaust at the time prior to, and at the time of the cut-off. This occurred at the intersection of where the car caught fire. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA ODI #11749535
Mileage unknown · Mar 30, 2026
Engine
Vehicle: 2020 Subaru Outback Onyx/Limited/Touring XT (2.4L Turbo FA24) Component: Engine Lubrication / Oil Pan Sealant I am reporting a manufacturing defect involving the engine oil pan seal on the 2020 Subaru Outback 2.4L Turbo. Upon inspection of fluid accumulation at the transmission joint, a Subaru dealership diagnostic con…
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Vehicle: 2020 Subaru Outback Onyx/Limited/Touring XT (2.4L Turbo FA24) Component: Engine Lubrication / Oil Pan Sealant I am reporting a manufacturing defect involving the engine oil pan seal on the 2020 Subaru Outback 2.4L Turbo. Upon inspection of fluid accumulation at the transmission joint, a Subaru dealership diagnostic confirmed that the engine oil pan seal has failed. The dealership noted that engine oil is leaking and being forced rearward by airflow while the vehicle is in motion, saturating the transmission assembly. Technician Admission: The service department at the Subaru dealership explicitly stated that this is a "known manufacturing issue" with the FA24 engine series. Financial Concession: To acknowledge the nature of this premature failure, the dealership waived the $185 diagnostic fee, resulting in a $0 invoice (attached). Inadequate Coverage: Despite the dealership’s admission and a repair quote exceeding $1,100 (file is attached), Subaru has not yet issued a recall or extended warranty for this specific 2020+ turbo application, though similar issues with RTV sealant have plagued the brand’s newer engine platforms. The technician confirmed that the leak is significant enough that oil is traveling the length of the transmission. This presents a potential fire hazard if oil contacts high-temperature exhaust components (such as the turbocharger or catalytic converter) and contributes to environmental contamination. This is the Turbo (XT) model. Turbochargers generate much higher heat, which makes an oil leak significantly Subaru National Customer Service has advised me to file this complaint with the NHTSA. I am requesting that the NHTSA investigate the frequency of oil pan seal failures on the 2020+ 2.4L Turbo (FA24) engine to determine if a mandatory recall or extended warranty (similar to past CVT or engine seal settlements) is warranted to protect consumers from the high cost of a documented manufacturing flaw.
NHTSA ODI #11728037
Mileage unknown · Nov 2, 2025
EngineUnknown Or OtherFire
A fire started under the hood of my car while I was driving. There were no warning lights on in my car and the temperature gauge was in the middle where it usually is. Earlier in the day, I smelled gas, but I thought it was a different car as the smell of gas went away after a car that had a lot of exhaust coming out was no long…
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A fire started under the hood of my car while I was driving. There were no warning lights on in my car and the temperature gauge was in the middle where it usually is. Earlier in the day, I smelled gas, but I thought it was a different car as the smell of gas went away after a car that had a lot of exhaust coming out was no longer in sight.
NHTSA ODI #11697021
Mileage unknown · Jul 13, 2025
Electrical SystemEngineFuel/propulsion System
Car stalled in traffic. The engine was cranking but it would not start. Had AAA tow off the road and to my home. Car sat for 10 days waiting for a fuel pump (thought this was the problem). After sitting for 10 days the battery was totally dead! New fuel pump installed battery was jumped but could not start the car. After 2 …
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Car stalled in traffic. The engine was cranking but it would not start. Had AAA tow off the road and to my home. Car sat for 10 days waiting for a fuel pump (thought this was the problem). After sitting for 10 days the battery was totally dead! New fuel pump installed battery was jumped but could not start the car. After 2 hours on the charger the battery still did not have enough energy to turn over the engine. Car is in a certified service shop (Wilhelm). Battery replaced and same starting issues with the new battery and the new battery is discharging at a very high rate even though the car is not starting. Bought the car used in 2023 so I have no knowledge of the history of the car. Service provider running factory diagnostic testing but so far no determination as to cause of the high rate of discharge. Verified that the fuel pump is fully operational. What we know is that with a fresh fully charged battery and a working fuel pump the car will not start and remain running. The engine stops and the battery drain is excessive.
NHTSA ODI #11673168
Mileage unknown · Jul 5, 2024
EngineService Brakes
Hi: When I was driving yesterday, the engine warning light and brake warning light both turned on. The car was like frozen on the road cannot be moved no matter how to press the gas pedal. The police helped to call tow and move my car out of the road. The tow driver left my car at a flat parking lot. On the lot, when I tried to…
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Hi: When I was driving yesterday, the engine warning light and brake warning light both turned on. The car was like frozen on the road cannot be moved no matter how to press the gas pedal. The police helped to call tow and move my car out of the road. The tow driver left my car at a flat parking lot. On the lot, when I tried to restart my car, the car started to shake side to side and up and down. I can feel some part is dislocated and one piece of heavy thing was swaying in the car. The engine warning light was on for two times during the last two years. First time when I sent the car to the dealership, they performed the check and fixed it by free. The customer service person told me the problem is the sensor failing and the fixing was free. So, I guess it is the system defect and the manufacture already knew it. So the repairing was free. However, with one year, the situation happened again. The second time I sent the car for fixing, the service person told me it was the same problem of sensor failing but they charged me around two hundreds dollar for the second time fixing. Yesterday, the same situation happened again with the brake warning light on at the same time. It is almost another one year after the second time I sent car for repairing. My most concern is the car completely suddenly stopped during the driving. If I was on the highway, serious collision may happen and I am already passed away.
NHTSA ODI #11599179
Mileage unknown · Dec 15, 2023
EngineFuel/propulsion SystemCrashInjury
On 12/6/2023, as I slowly turned right into a parking space, my car suddenly surged forward and accelerated without my input to the gas pedal. The brakes did not work, and there was no resistance from the brake pedal when I repeated to push it. The car continued to accelerate for about 80 ft as I focused on steering to avoid h…
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On 12/6/2023, as I slowly turned right into a parking space, my car suddenly surged forward and accelerated without my input to the gas pedal. The brakes did not work, and there was no resistance from the brake pedal when I repeated to push it. The car continued to accelerate for about 80 ft as I focused on steering to avoid hitting other cars parked in the lot. The car ran over a curb, up a grassy area, and crashed into a row of trees. The airbag did not deploy. I sustained neck muscle strain/whiplash, and bruises to my chest and right knee. My safety was at risk, as well as anyone or anything that was in the car's path since I had no control over the acceleration or the brakes. The car is a 2020 Subaru Outback with about 44000 miles. It is in a body shop and they have not yet determined if it is safe to work on. So far, they have observed the engine race when the car was turned on. There were no warning signs prior to the acceleration. When I called the Subaru dealer service department, I was told that they never heard of this before and it had to have been my fault. They said I could bring it in after the body damage is repaired, and that I can pay for a diagnotic report. However, they expect that the report will not show anything.
NHTSA ODI #11560354
Mileage unknown · Dec 14, 2023
Back Over PreventionEnginePower Train
Thermo Control Valve assembly has failed resulting in loss of use for the following: Rear Automatic Brake, Eye Sight lane keeping, loss of heat in cabin and failure of coolant to circulate within engine possibly leading to engine failure, loss of cruise control and check engine light coming on. Reference TSB [XXX] . Without cabi…
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Thermo Control Valve assembly has failed resulting in loss of use for the following: Rear Automatic Brake, Eye Sight lane keeping, loss of heat in cabin and failure of coolant to circulate within engine possibly leading to engine failure, loss of cruise control and check engine light coming on. Reference TSB [XXX] . Without cabin heat vehicle is not useable in current cold temperatures (Currently 22 degrees Fahrenheit in Ohio on December 14, 2023). Dealer has confirmed part failure. Issue must be addressed to continue operating vehicle so I paid $1185.87 out of pocket to repair. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA ODI #11560096
Mileage unknown · Dec 14, 2023
Back Over PreventionEngineForward Collision Avoidance
A well-known failure of the Thermal Control Valve (TCV) occurred, which disabled many or most of the safety features on the car in addition to crippling the heat output in the cabin. Additionally, depending on which way the valve sticks, it could overheat the car and ruin the engine, or worse. Car is under 4 years old and repair…
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A well-known failure of the Thermal Control Valve (TCV) occurred, which disabled many or most of the safety features on the car in addition to crippling the heat output in the cabin. Additionally, depending on which way the valve sticks, it could overheat the car and ruin the engine, or worse. Car is under 4 years old and repair estimate is nearly $1900. There is a technical safety bulletin [XXX] that outlines a redesigned TCV. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA ODI #11560041
Official recalls
6Mar 22, 2024
Subaru of America, Inc. (Subaru) is recalling certain 2020-2022 Outback and Legacy vehicles. A capacitor in the sensors for the Occupant Detection System (ODS) may crack and short circuit, which can prevent the front passenger air bag from deploying in a crash.
Consequence & remedy
Consequence: An air bag that does not deploy during a crash can increase the risk of injury.
Remedy: Dealers will replace the ODS sensors on the front passenger seat, free of charge. Owner notifications were mailed February 3, 2025. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRA-24.
Jul 8, 2022
Subaru of America, Inc. (Subaru) is recalling certain 2020-2021 Outback and Legacy vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.
Consequence & remedy
Consequence: An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.
Remedy: Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters are expected to be mailed August 24, 2022. Owners may contact Subaru's customer service at 1-844-373-6614. Subaru's number for this recall is WRK-22. This recall is an expansion of previous recall number 21V-955.
Additional source detail variants (2)
Power Train:driveline:chain/belt
Subaru of America, Inc. (Subaru) is recalling certain 2020-2021 Outback and Legacy vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.
Consequence: An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.
Remedy: Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters are expected to be mailed August 24, 2022. Owners may contact Subaru's customer service at 1-844-373-6614. Subaru's number for this recall is WRK-22. This recall is an expansion of previous recall number 21V-955.
Power Train:automatic Transmission:control Module (tcm/pcm/tecm)
Subaru of America, Inc. (Subaru) is recalling certain 2020-2021 Outback and Legacy vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.
Consequence: An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.
Remedy: Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters are expected to be mailed August 24, 2022. Owners may contact Subaru's customer service at 1-844-373-6614. Subaru's number for this recall is WRK-22. This recall is an expansion of previous recall number 21V-955.
Dec 9, 2021
Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2020 Legacy and Outback vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.
Consequence & remedy
Consequence: An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.
Remedy: Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters were mailed August 19, 2022. This recall includes all vehicles previously recalled under 19V-855. Vehicles previously recalled under 19V-855 will need to have the new remedy performed for this recall once available. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRK-21.
Additional source detail variants (2)
Power Train:driveline:chain/belt
Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2020 Legacy and Outback vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.
Consequence: An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.
Remedy: Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters were mailed August 19, 2022. This recall includes all vehicles previously recalled under 19V-855. Vehicles previously recalled under 19V-855 will need to have the new remedy performed for this recall once available. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRK-21.
Power Train:automatic Transmission:control Module (tcm/pcm/tecm)
Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2020 Legacy and Outback vehicles. A programming error in the Transmission Control Unit (TCU) may allow the clutch to engage before the drive chain is completely clamped.
Consequence: An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.
Remedy: Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters were mailed August 19, 2022. This recall includes all vehicles previously recalled under 19V-855. Vehicles previously recalled under 19V-855 will need to have the new remedy performed for this recall once available. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRK-21.
Jul 29, 2021
Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2018 Forester, 2018-2020 Impreza, Legacy, Outback, 2018-2019 BRZ, WRX, and Toyota 86 vehicles. The low-pressure fuel pump inside the fuel tank may fail.
Consequence & remedy
Consequence: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Remedy: Dealers will replace the low-pressure fuel pump, free of charge. Owner notification letters were mailed September 24, 2021. Subaru and Toyota owners may call customer service at 1-844-373-6614. Subaru's number for this recall is WRG-21.
Dec 10, 2020
Subaru of America, Inc. (Subaru) is recalling certain 2020 Legacy and Outback vehicles equipped with "high" grade and "mid" grade multimedia navigation. The August 2020 over-the-air software update may have timed out without completing the installation, corrupting the data, and causing the rearview display to shutoff intermittently. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Consequence & remedy
Consequence: The intermittent loss of the rearview image reduces the driver's visibility and increases the risk of crash.
Remedy: Subaru will notify owners, and dealers will reprogram the software and, if necessary, replace the Cockpit Control Module, free of charge. The recall began January 22, 2021. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRH-20.
Sep 18, 2019
Subaru of America, Inc. (Subaru) is recalling certain 2020 Outback and Legacy vehicles. The brake pedal mounting bracket may have a missing or insufficiently tightened bolt.
Consequence & remedy
Consequence: A missing or loose bolt may cause the brake pedal mounting area to deform over time, which can reduce braking performance and increase the risk of a crash.
Remedy: Subaru will notify owners, and dealers will inspect the brake pedal mounting bracket hardware and replace the hardware or brake pedal assembly, as necessary, free of charge. The recall began October 1, 2019. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WUL-97.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗