2020 SUBARU ASCENT

5 recalls, 406 complaints - 602 TSBs - 5/5 safety rating

EQUIPMENT:OTHER:LABELS

Defect Description

Subaru of America, Inc. (Subaru) is recalling certain 2026 Crosstrek Hybrid, 2025-2026 Forester Hybrid, Forester, and 2019-2026 Ascent vehicles. These vehicles were manufactured with an incorrect Gross Axle Weight Rating (GAWR) on the certification label. As such, these vehicles fail to comply with ... Read more

Consequence

An incorrect GAWR label may lead to an overloaded vehicle, increasing the risk of a crash.

Remedy

Subaru will mail a new certification label to owners, free of charge. Owners may also choose to have a dealer install the new label, free of charge. Letters informing owners of the safety risk are expected to be mailed August 25, 2026. Additional letters will be mailed once the remedy is available. ... Read more

541,237 vehicles affected

Manufacturer: Subaru of America, Inc.

ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

Defect Description

Subaru of America, Inc. (Subaru) is recalling certain 2019-2022 Ascent vehicles. The ground bolt that secures the ground terminal of the Positive Temperature Coefficient (PTC) heater may have been improperly fastened, which could result in melting of the ground terminal and surrounding components.

Consequence

A melting ground terminal increases the risk of a fire.

Remedy

Owners are advised to park their vehicle away from structures and to avoid leaving the vehicle unattended while the engine is running. An owner who notices or smells smoke coming from the dash or driver's footwell area should immediately stop operating the vehicle and turn the ignition switch to th... Read more

271,694 vehicles affected

Manufacturer: Subaru of America, Inc.

STEERING:LINKAGES:TIE ROD ASSEMBLY

Defect Description

Subaru of America, Inc. (Subaru) is recalling certain 2020 Ascent vehicles. Due to an incorrect tapered hole in the housing, the front tie rod ends may not fit properly. The improper fit can result in the tie rods and housings being deformed during assembly and service replacement if excessive tor... Read more

Consequence

The tie rods may separate from the housing, causing a loss of steering control and increasing the risk of a crash.

Remedy

Dealers will replace the left and right front tie rod ends and housings, free of charge. Owner notification letters were mailed February 7, 2022. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRL-21.

1,305 vehicles affected

Manufacturer: Subaru of America, Inc.

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Defect Description

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 recal... Read more

198,255 vehicles affected

Manufacturer: Subaru of America, Inc.

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Defect Description

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

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.

175,968 vehicles affected

Manufacturer: Subaru of America, Inc.

Complaint Statistics

406 total complaints 17 crashes 2 fires 16 injuries

Top Reported Components

Component	Complaints
ELECTRICAL SYSTEM	102
UNKNOWN OR OTHER	58
VISIBILITY/WIPER	48
POWER TRAIN	45
ENGINE	35
SERVICE BRAKES	25
FUEL/PROPULSION SYSTEM	16
VISIBILITY:WINDSHIELD	10
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING	8
STRUCTURE:BODY	8

Incident date: Jul 28, 2026

Subaru has a known problem/design with their LED daytime running lamps on the Ascent model. Dealerships are seeing a high failure rate of these LED lights, and it is always with the left side headlamp assembly. The LED strip quits working. In my case my car has about 42,000 miles on it with estim... Read more

Incident date: Aug 16, 2026

The contact owns a 2020 Subaru Ascent. The contact stated that while driving at an undisclosed speed, the vehicle was skipping. The failure was recurrent. The contact associated the failure with NHTSA Campaign Number: 21V955000 (Power Train); however, the dealer informed the contact that the recall ... Read more

Incident date: Jul 30, 2026

1. The vehicle is experiencing a transmission malfunction/failure. The dealership was able to replicate the issue and confirm the malfunction, which caused the check engine light to illuminate. The vehicle is currently being evaluated by the dealership, and any failed components should be available ... Read more

Incident date: Jun 16, 2026

While driving, the vehicle unexpectedly shut off without warning. The engine stalled while the vehicle was in motion, causing an immediate loss of acceleration and power. This created a serious safety hazard in traffic. The issue is consistent with the condition described in Safety Recall U01 for 20... Read more

Incident date: Jun 1, 2026

The vehicle experienced a sudden and dangerous loss of motive power while driving due to a failure of the 8-speed dual-clutch transmission's (DCT) high-pressure electric oil pump causing loss of shifting and dropping to lower gears at a very high rpm and slowing the car almost instantly creating a h... Read more

Incident date: May 5, 2026

A known radiator issue, with microcracks in radiator is producing a leak and will require replacement. There are many examples of this online for the model years 2014-2018, and are known by the manufacturer. I am having mine replaced with 95,000 miles on my truck.

Incident date: May 5, 2026

Incident date: May 11, 2026

Vehicle experienced sudden severe loss of motive power consistent with Ford Safety Recall 23S64 (NHTSA Campaign 23V905000). Prior to repair, the vehicle entered limp mode and could not accelerate beyond approximately 30 to 35 MPH. Low oil pressure warning indicators and check engine light illuminate... Read more

Incident date: May 11, 2026

On 5/8/2026 at 1555 hours, while driving at normal freeway speed under normal driving conditions, vehicle began an exhaust system regeneration cycle. During the course of the region cycle, vehicle began to smoke excessively and realizing this wan not normal, I was able to yield to the right shoulder... Read more

Fire

Incident date: May 11, 2026

I have been receiving errors that visibility is reduced. Lane departure system is not working and car has brake suddenly in moderate traffic despite not being close to vehicle ahead of me.

Incident date: May 11, 2026

This vehicle makes a noise that sounds like your driving over rumble strips. The front end shakes and there is a hard vibration. I purchased this vehicle used on 5/5/26 and it’s been in the dealership twice already. The Onstar module is defective and now this noise and vibration. The shaking start... Read more

Incident date: Feb 20, 2026

Truck has 36,669 miles check engine light came on and was idling loud, after being looked at my a Chevrolet dealership came back a faulty radiator hose, and coolant was leaking. Too new of truck for this kind of problem

Incident date: Feb 20, 2026

Warning message on the dash. ABS and Traction lights illuminated. This is a DOT registered work truck which is out of service with no remedy available.

Incident date: Feb 20, 2026

In December 2025, I had brake replacement, tire service, and wheel alignment performed at Monro Auto Service located at [XXX] child were traveling on the highway during a winter storm when the brakes began making a loud banging noise. My wife was unable to immediately locate a service location and ... Read more

Incident date: Apr 20, 2026

While driving at approximately 70 mph on a highway under normal conditions, the vehicle experienced a sudden loss of engine power. A check engine light illuminated at the time of the failure, and the vehicle was unable to maintain normal acceleration or consistent speed. The loss of power created a... Read more

Incident date: Apr 20, 2026

The contact owns a 2017 Ford F-150. The contact stated that while the vehicle was parked, the steering wheel was stiff and failed to turn as needed. The message "Steering Assist Failure" was displayed with an unknown warning light illuminated. The vehicle was taken to an independent mechanic; howeve... Read more

Incident date: Feb 26, 2026

A supplemental restraint warning came on dashboard, I noticed other accord owners are experiencing the same this light has to do with possibly airbags or seatbelts making it possibly unsafe to drive.

Incident date: Feb 26, 2026

When the truck was idling the dod/afm turned on and disabled a cylinder and now I’m just having codes pop up for cylinder misfires

Incident date: Feb 26, 2026

Vehicle was stolen, sold, and relisted for sale. Open Recalls on vehicle.

Incident date: Feb 26, 2026

I was involved in a rear end collision where I was at fault. I suspect the ADAS in my 2024 F-150 malfunctioned because it did not prevent the collision. I impacted the rear of a minivan at approximately 20 mph. The ADAS did not take evasive action. Previously I have had nuisance activations of the v... Read more

Crash

Incident date: Feb 26, 2026

Driving on Interstate at a speed of 70 when truck lost power. Check engine light came on and other lights on dash came on also. 2007 with 160k miles original barely driven. This year should be a part of the Class Action Suit

Incident date: Feb 26, 2026

Crash

Incident date: Feb 16, 2026

Total loss of power steering. Was able to avoid crash but extremely dangerous. Has to get it towed to dealer $6,800 fix for total rack replacement due to bolts sheering off from EPS. Research shows this is a known issue due to faulty aluminum bolts in areas that salt roads.

Incident date: Nov 30, 2021

1. Fuel Pump failure occurred September 4th 2025 2. While towing a travel trailer from Raleigh NC to Surf City NC. When the truck stalled we lost all power and power steering and there was no clear path to pull off the single lane road with no shoulder. With a line of vehicle's behind us, includin... Read more

Incident date: Nov 30, 2021

Shift to park error message appears on dash after turning off the vehicle. I have to turn back on the vehicle and take it out of park and shift it back and forth from park to drive then back to park to get the vehicle to turn off. This first January 2020. It was fixed in February 2020. This issue ... Read more

Incident date: Feb 1, 2026

Hood became unlatched while driving. Significant vehicle damage to hood, windshield and roof. No other vehicles involved or bodily injuries.

Incident date: Dec 31, 1969

The contact owns a 2022 Nissan Leaf. The contact received notification of NHTSA Campaign Number: 25V655000 (Electrical System); however, the part to do the recall repair was not yet available. The contact stated that after attempting to recharge the Hybrid battery, the vehicle failed to maintain th... Read more

Incident date: Dec 31, 1969

The contact owns a 2015 Ford Fusion. The contact stated that while driving at an undisclosed speed, the steering wheel failed to turn in the intended direction. In addition, the contact heard an abnormally loud bang. The power steering failure warning light was illuminated. The vehicle was driven to... Read more

Incident date: Dec 31, 1969

The contact owns a 2012 Kia Sorento. The contact stated that after parking and turning off the vehicle, she entered the post office; after 3 to 4 minutes, she was alerted by a consumer that the vehicle had caught fire. The contact noticed fire emerging from the undercarriage. The TPMS warning light ... Read more

Fire

Incident date: Jun 18, 2025

Rod bearing knock

Incident date: Dec 29, 2025

When it is raining I cannot see using the backup camera. Rain drops on the camera lens make it so that I can only see light, i.e. the drops of rain obscure everything. Basically it is like not having a backup camera at all.

Incident date: Jul 17, 2025

The contact owns a 2022 Ford Escape. The contact received notification of NHTSA Campaign Number: 25V467000 (Fuel System, Gasoline); however, the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was n... Read more

Incident date: Jan 1, 2023

I own a 2017 Toyota Highlander with 6 cylinders (engine model 2GR-FKS). It has 107,000 miles. I brought it to my dealer for inspection and service, and noted that it was making a whirring/whining sound upon acceleration. There were no warning messages on the dashboard to alert me of any issues. The ... Read more

Incident date: Dec 11, 2025

NHTSA Recall 25V-668, Toyota 25TA12. They state: “Toyota recommends no one sit in or use a child restraint in the second row seats while the vehicle is moving until the remedy is performed on the vehicle” They haven’t provided a remedy. I have two children requiring car seats Second row i... Read more

Incident date: Oct 1, 2024

While driving the "Service Power Steering" light came on. Made it very difficult to pull to the side of the road because the steering was very stiff

Incident date: Oct 27, 2025

The contact owns a 2017 Ram 2500. The contact received notification of NHTSA Campaign Number: 24V896000 (SERVICE BRAKES, HYDRAULIC); however, the part to do the recall repair was not yet available. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from... Read more

Incident date: Apr 29, 2025

July 2025 the transmission started stuttering. Took to an outside transmission shop, report showed torch converter failure.

Incident date: May 13, 2025

Jerking or shuddering when shifting gears Delayed or harsh gear changes The check engine light is on Trouble accelerating or decelerating The car stalls or has trouble starting

Incident date: Jun 12, 2025

The contact owns a 2018 Ford Escape. The contact stated that while the vehicle was at the dealer for a routine service, the vehicle was diagnosed with engine failure due to coolant intrusion in the engine. The contact was informed that the engine needed to be replaced and was advised not to drive th... Read more

Incident date: Jun 12, 2025

Timing chain looseness, Sudden loss of engine power/motive power. Vehicle was sold, unknown if available for inspection. Engine failure on and in the middle of the interstate/highway, and this caused a major crash risk, and safety hazard. This make and model of vehicle has multiple reports of si... Read more

Incident date: Mar 12, 2024

MY 2023 Odyssey has 40K miles and the cam shaft bearing is deteriorating and my engine oil is full of shavings. The dealership is acting as if because I did not get my oil changed there, that it somehow isnt their fault and not covered under the warranty. This is an existing recall of these engines... Read more

Incident date: May 1, 2025

The contact owns a 2017 Honda Ridgeline. The contact stated while driving at an undisclosed speed, several unknown warning lights were illuminated. The vehicle was taken to a dealer, where it was diagnosed and determined that the connecting rods needed to be replaced. The contact researched and was ... Read more

Incident date: Mar 1, 2024

The contact owns a 2013 Ford F-150. The contact stated that when the vehicle was started and the accelerator pedal was depressed, the vehicle failed to respond as intended. The contact stated that the RPM was at 4,000, but the vehicle failed to move. The contact turned off and restarted the vehicle,... Read more

Incident date: Feb 9, 2025

Received a system error "Gear box fault error". This is the second time I've received this message. The car makes a static noise that is loud. Also makes a loud grinding noise. Took car into local dealership for repair. Also received High Voltage error. Get the same Gear Box Fault error 3/6/25 . Th... Read more

Incident date: Feb 16, 2025

During snowfall, the front camera becomes obstructed, leading to a malfunction in the smart brake system. When this occurs, an alert appears indicating a “Smart Brake Failure,” accompanied by an audible warning and the illumination of the check engine light. The vehicle then exhibits unpredictab... Read more

Incident date: Jan 29, 2025

1. When I turn my car either left of right there is a huge noise under the hood at the joint like a cracking noise. It is very concerning and doubt that some thing big is broken. I got to know in the forum that almost all the cars are having this issue. 2. When using my HondaLink app to unlock the ... Read more

Incident date: Jan 29, 2025

On Sunday [XXX] , while driving my Cadillac Escalade 2022 with a 6.2L V8 engine on [XXX] at 70 mph, my vehicle suddenly lost power without warning. This put me in immediate danger, as I was in the left lane and had to quickly maneuver to the right emergency lane to avoid a complete stop in moving t... Read more

Incident date: May 15, 2024

The contact owns a 2022 GMC Sierra 1500. The contact stated while driving 60 MPH, the vehicle stalled. There was no warning light illuminated. The contact was able to pull to the side of the road. The vehicle failed to restart and was towed to an independent mechanic, where it was diagnosed with cra... Read more

Incident date: Dec 20, 2024

AP4 computer failure has led to navigation, cameras, blind spot monitoring, lane departure and other systems being inoperable. Tesla has stated they don’t have the parts to fix and have pushed out my service repair time twice already. Issue reported on December 4th, since then no time table for re... Read more

Showing 50 of 406 complaints.

NHTSA Safety Ratings, 2020 SUBARU ASCENT

2020 Subaru Ascent SUV AWD

Category	Rating
Overall Rating	5 / 5 ★★★★★
Frontal Crash	5 / 5 ★★★★★
Frontal Crash, Driver	5 / 5 ★★★★★
Frontal Crash, Passenger	5 / 5 ★★★★★
Side Crash	5 / 5 ★★★★★
Side Crash, Driver	5 / 5 ★★★★★
Side Crash, Passenger	5 / 5 ★★★★★
Rollover	4 / 5 ★★★★☆
Rollover Risk	17.0%

Safety Technology

Feature	Status
Electronic Stability Control	Standard
Forward Collision Warning	Standard
Lane Departure Warning	Standard

Source: NHTSA 5-Star Safety Ratings Program. Ratings are based on crash tests conducted by the National Highway Traffic Safety Administration.

EPA Fuel Economy, 2020 SUBARU ASCENT

Trim / Engine	City MPG	Highway MPG	Combined MPG	Fuel Type	Annual Fuel Cost
2.4L 4-cyl, Automatic (AV-S8) (All-Wheel Drive)	21.0	27.0	23.0	Regular	$2,650

CO2 Emissions: 386.0 g/mile (Standard Sport Utility Vehicle 4WD)

Source: U.S. Environmental Protection Agency (EPA). Actual fuel economy may vary based on driving conditions.

Technical Service Bulletins, 2020 SUBARU ASCENT

602 manufacturer communications from 165 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
110000 ELECTRICAL SYSTEM	195
350000 EQUIPMENT	154
100000 POWER TRAIN	51
060000 ENGINE AND ENGINE COOLING	39
356000 EQUIPMENT ADAPTIVE/MOBILITY	20
020000 SUSPENSION	12
170000 LATCHES/LOCKS/LINKAGES	11
070000 FUEL SYSTEM, GASOLINE	11

110000 ELECTRICAL SYSTEM

This bulletin announces the availability of new reprogramming files developed to address cases of DTC P0890 (TCM Power Relay Sense Circuit Low) detected by the Engine Control Module (ECM).

100000 POWER TRAIN

This bulletin announces the availability of new reprogramming files developed to address cases of DTC P0890 (TCM Power Relay Sense Circuit Low) detected by the Engine Control Module (ECM).

060000 ENGINE AND ENGINE COOLING

This bulletin announces the availability of new reprogramming files developed to address cases of DTC P0890 (TCM Power Relay Sense Circuit Low) detected by the Engine Control Module (ECM).

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

To satisfy current supply demands, a new Subaru alternative replacement battery is now available.

350000 EQUIPMENT

To satisfy current supply demands, a new Subaru alternative replacement battery is now available.

110000 ELECTRICAL SYSTEM

To satisfy current supply demands, a new Subaru alternative replacement battery is now available.

350000 EQUIPMENT

Subaru of America, Inc. (Subaru) has initiated this safety recall for certain 2020 model year Ascent vehicles in which the front axle housings may have been manufactured with improperly tapered tie rod mounting holes.

020000 SUSPENSION

010000 STEERING

350000 EQUIPMENT

This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.

110000 ELECTRICAL SYSTEM

This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.

350000 EQUIPMENT

This bulletin addresses the reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed.

110000 ELECTRICAL SYSTEM

350000 EQUIPMENT

This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics systema??s remote access features.

350000 EQUIPMENT

This bulletin addresses an error code 202 and or 204 when attempting to complete the STARLINK telematics subsription process.

110000 ELECTRICAL SYSTEM

This bulletin addresses an error code 202 and or 204 when attempting to complete the STARLINK telematics subsription process.

020000 SUSPENSION

This bulletin announces changes in design to the front strut assemblies which will address cases of rumbling and/or rattling coming from the undercarriage while going over bumps.

353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT

This bulletin provides the diagnostic procedure for Harman Infotainment Systems when DTC B2255 is detected. This update should prevent unnecessary replacement of the head unit or USB cable.

350000 EQUIPMENT

This bulletin provides the diagnostic procedure for Harman Infotainment Systems when DTC B2255 is detected. This update should prevent unnecessary replacement of the head unit or USB cable.

110000 ELECTRICAL SYSTEM

This bulletin provides the diagnostic procedure for Harman Infotainment Systems when DTC B2255 is detected. This update should prevent unnecessary replacement of the head unit or USB cable.

020000 SUSPENSION

This bulletin addresses rumbling and or rattling coming from the undercarriage while traveling over bumps. Subaru has made a design change to the front strut assemblies to address this issue.

350000 EQUIPMENT

In the interest of providing continued customer satisfaction, Subaru of America, Inc. (SOA) is implementing Warranty Extensions and additional benefits for owners and lessees of certain 2019- 20MY Ascent models.

350000 EQUIPMENT

This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.

110000 ELECTRICAL SYSTEM

This Service Bulletin provides additional diagnostics to follow when addressing a Telematics-related DTC B2A16.

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.

350000 EQUIPMENT

This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.

110000 ELECTRICAL SYSTEM

This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.

350000 EQUIPMENT

The following information addresses reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed.

110000 ELECTRICAL SYSTEM

350000 EQUIPMENT

In the interest of customer satisfaction, Subaru of America, Inc. is extending the New Car Basic Warranty coverage for the 12 Volt batteries used in the above listed models and model years beyond the original three (3) years or thirty six t

110000 ELECTRICAL SYSTEM

060000 ENGINE AND ENGINE COOLING

This bulletin announces design changes made to the Exhaust Pipe Front (EPF) to address concerns of rattle-type or fluttering sounds coming from the undercarriage during acceleration caused by cracking in the EPF.

110000 ELECTRICAL SYSTEM

This Service Information Bulletin announces the revised break-in procedure for the A/C compressor.

170000 LATCHES/LOCKS/LINKAGES

This bulletin announces the initialization service procedures to be followed when diagnosing and/or repairing Power Rear Gate (PRG) systems.

162600 STRUCTURE:BODY:HATCHBACK/LIFTGATE

This bulletin announces the initialization service procedures to be followed when diagnosing and/or repairing Power Rear Gate (PRG) systems.

110000 ELECTRICAL SYSTEM

This bulletin announces the initialization service procedures to be followed when diagnosing and/or repairing Power Rear Gate (PRG) systems.

110000 ELECTRICAL SYSTEM

This bulletin announces the availability new service procedure developed for the diagnosis of the following DTCs detected by the Transmission Control Module (TCM):

100000 POWER TRAIN

This bulletin announces the availability new service procedure developed for the diagnosis of the following DTCs detected by the Transmission Control Module (TCM):

350000 EQUIPMENT

This Service Information Bulletin announces diagnostic service procedures to be followed when DTC P0420 (Catalyst System Efficiency Below Threshold Bank 1) is detected by the Engine Control Module (ECM).

060000 ENGINE AND ENGINE COOLING

346000 COMMUNICATION:MANUFACTURER TELEMATICS

This Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru.

350000 EQUIPMENT

This Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru.

110000 ELECTRICAL SYSTEM

This Bulletin provides helpful procedures and best practices to utilize when customers present with concerns relating to the operation of their Gen 2/Gen 3 Telematics system equipped Subaru.

220000 SEATS

This bulletin announces the availability of new seat ventilation blower units.

110000 ELECTRICAL SYSTEM

This bulletin announces the availability of new seat ventilation blower units.

353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT

This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected.

350000 EQUIPMENT

This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected.

110000 ELECTRICAL SYSTEM

This Service Bulletin is to inform you of the diagnosis procedure of the Harman Infotainment System when DTC B2255 is detected.

350000 EQUIPMENT

063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

060000 ENGINE AND ENGINE COOLING

110000 ELECTRICAL SYSTEM

This bulletin announces availability of a new Genuine Subaru Alternative Replacement Battery introduced to satisfy current supply demands.

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

350000 EQUIPMENT

110000 ELECTRICAL SYSTEM

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a repair procedure to address vibrations and/or judder concerns experienced on turns during acceleration.

350000 EQUIPMENT

Subaru of America, Inc. (Subaru) has initiated this safety and emissions Recall for certain 2019 - 2020 model year Ascent vehicles, 2020-2021 model year turbo Legacy vehicles, and 2020-2021 model year turbo Outback vehicles in which the Con

100000 POWER TRAIN

060000 ENGINE AND ENGINE COOLING

110000 ELECTRICAL SYSTEM

This bulletin announces availability of new reprograming files for the Transmission Control Module (TCM) to address judder a sensation possibly accompanied by a vibration-type sound when accelerating from slow speeds.

103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

100000 POWER TRAIN

260000 FORWARD COLLISION AVOIDANCE

This Bulletin announces additional information regarding error codes 1403- 1407 encountered when attempting an adjustment/calibration of the EyeSightA? system after body repair procedures have been performed.

350000 EQUIPMENT

110000 ELECTRICAL SYSTEM

350000 EQUIPMENT

This Service Information Bulletin announces additional diagnostic procedures and a detailed flow chart to be used when diagnosing customer concerns regarding the operation of the STARLINK Remote Engine Start (RES) feature.

110000 ELECTRICAL SYSTEM

060000 ENGINE AND ENGINE COOLING

350000 EQUIPMENT

This bulletin announces the repair procedure for a rubbing-type sound that can be heard from the side of the console box when it comes in contact with a passengera??s knee or when the gear selector is moved.

160000 STRUCTURE

110000 ELECTRICAL SYSTEM

This bulletin announces availability of a new Genuine Subaru Alternative Replacement Battery introduced to satisfy current supply demands.

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This bulletin announces availability of a new Genuine Subaru Alternative Replacement Battery introduced to satisfy current supply demands.

110000 ELECTRICAL SYSTEM

The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.

170000 LATCHES/LOCKS/LINKAGES

The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.

350000 EQUIPMENT

The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

110000 ELECTRICAL SYSTEM

353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT

This Service Information Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns.

350000 EQUIPMENT

This Service Information Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns.

110000 ELECTRICAL SYSTEM

This Service Information Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns.

061610 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

This bulletin announces diagnostic procedures and availability of new Engine Control Module (ECM) reprogramming files to address DTC P2404 (Evap System Leak Detection Pump Sense Circuit Range/Performance) detection.

110000 ELECTRICAL SYSTEM

060000 ENGINE AND ENGINE COOLING

353610 EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation.

353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT

This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation.

350000 EQUIPMENT

This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation.

110000 ELECTRICAL SYSTEM

This Bulletin provides reference tables and photos to use for determining the infotainment head unit supplier and generation.

063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

060000 ENGINE AND ENGINE COOLING

350000 EQUIPMENT

119127 ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT:FLUID/COOLANT

This bulletin announces availability of reprogramming files to optimize the Transmission Control Module (TCM). The new files were designed to address cases of DTC P0711 (Transmission Fluid Temperature Sensor a??Aa?? Circuit Range/Performanc

110000 ELECTRICAL SYSTEM

100000 POWER TRAIN

103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

350000 EQUIPMENT

This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing customer concerns.

110000 ELECTRICAL SYSTEM

This bulletin announces availability of new Harman audio unit amplifier units with revised internal logic designed to optimize efficiency while addressing customer concerns.

060000 ENGINE AND ENGINE COOLING

This Service Information Bulletin announces the proper diagnostic procedures regarding oil leakage from the oil level switch area.

110000 ELECTRICAL SYSTEM

This Service Information Bulletin provides updated diagnostic procedures to follow and a brief questionnaire to complete when diagnosing an alleged Chain Slip condition on the TR580 and TR690 model CVT transmissions used in the models liste

Showing 100 of 602 bulletins.

SUBARU ASCENT - All Years Overview

Complete safety history for the SUBARU ASCENT across all model years (2019, 2026).

25 Total Recalls

1,347 Total Complaints

0 Investigations

47 Reported Crashes

10 Reported Fires

0 Reported Deaths

SUBARU ASCENT - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year	Recalls	Complaints
2026	1	2	View
2025	1	19	View
2024	1	69	View
2023	4	66	View
2022	2	79	View
2021	2	144	View
2020 (current)	5	406
2019	9	562	View

Other SUBARU Models

Model	Recalls	Complaints
IMPREZA	321	3,425	View
LEGACY	307	4,132	View
OUTBACK	288	12,131	View
SOLTERRA	259	109	View
WRX	190	1,208	View
FORESTER	134	8,512	View
TRIBECA	70	51	View
CROSSTREK	42	1,453	View

Vehicle Safety

Consumer Safety

Infrastructure

Public Health

2020 SUBARU ASCENT

Complaint Statistics

Top Reported Components

NHTSA Safety Ratings, 2020 SUBARU ASCENT

Safety Technology

EPA Fuel Economy, 2020 SUBARU ASCENT

Technical Service Bulletins, 2020 SUBARU ASCENT

Most Affected Components

SUBARU ASCENT - All Years Overview

SUBARU ASCENT - Year by Year

Other SUBARU Models