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2023 Subaru Ascent Recalls, Issues & Maintenance

The 2023 Subaru Ascent carries 4 open NHTSA recalls — most recently covering tires and lower arm. Owners report 7 recurring issue clusters, led by “EyeSight automatic emergency braking unintended activation.” Subaru's symmetrical AWD system places unusually high demands on differential fluid and transfer case service — skipping these is the most common cause of premature drivetrain wear. Older Subarus with the EJ25 engine (pre-2011) require timing belt replacement; FB and FA engines (2011+) use a maintenance-free chain. Subaru's published intervals below align with the owner's manual Schedule II (severe) which most US drivers qualify for.

4 Open Recalls

Source: NHTSA

TIRES

Campaign #23V258000 · Jul 4, 2023

Issue: Subaru of America, Inc. (Subaru) is recalling certain 2023 Ascent vehicles equipped with 20-inch wheels. The internal tire bead may have been damaged during the wheel mounting process.

Risk: A damaged tire may experience a sudden loss of air pressure, increasing the risk of a crash.

Fix: Dealers will replace all four tires, free of charge. Owner notification letters are expected to be mailed June 6, 2023. Owners may contact Subaru's customer service at 1-844-373-6614. Subaru's number for this recall is WRH-23.

SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

Campaign #23V392000 · Jan 6, 2023

Issue: Subaru of America, Inc. (Subaru) is recalling certain 2023 Ascent vehicles. The left or right front lower control arm may have an improperly tightened ball joint castle nut which can result in retention pin failure and separation of the ball joint from the lower control arm.

Risk: Ball joint separation while the vehicle is in motion can cause a loss of vehicle control, increasing the risk of a crash.

Fix: Dealers will inspect and, if necessary, replace the lower control arm, free of charge. Owner notification letters are expected to be mailed June 30, 2023. Owners may contact Subaru's customer service at 1-844-373-6614. Subaru's number for this recall is WRJ-23.

POWER TRAIN:DRIVELINE:DRIVESHAFT

Campaign #23V647000 · Sep 21, 2023

Issue: Subaru of America, Inc. (Subaru) is recalling certain 2023 Outback, Legacy, Ascent, and Impreza vehicles. The center support bolts for the driveshaft may loosen, resulting in the disconnection of the front end of the driveshaft.

Risk: Separation of the front end of the driveshaft increases the risk of a crash.

Fix: Dealers will clean the bolt mounting surfaces of the center support brace and install new bolts, free of charge. Owner notification letters were mailed November 20, 2023. Owners may contact Subaru's customer service at 1-844-373-6614. Subaru's number for this recall is WRN-23.

EQUIPMENT:OTHER:LABELS

Campaign #26V436000 · Jul 7, 2026

Issue: 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 the requirements of Federal Motor Vehicle Safety Standard (FMVSS) 110, "Tire selection and rims."

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

Fix: 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 were mailed August 24, 2026. Additional letters will be mailed once the remedy is available. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WRH-26.

Recall data refreshed Sep 6, 2026.

Known issues for this vehicle

What drivers and federal regulators have officially reported about the 2023 Subaru Ascent.

Reported to NHTSA

EyeSight automatic emergency braking unintended activation

FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

5 NHTSA complaints · 2023-11-01 → 2026-08-01

“the vehicle's onboard Forward Collision Avoidance System (FCAS) suddenly and unexpectedly activated without any obstruction, hazard, or vehicle ahead. The abrupt, automated braking and system intervention caused an immediate loss of vehicle control, forcing the car into a 180-degree spin…”
— Owner report, NHTSA ODI #11749348
“When crossing a bridge at 40 mph with wide open lanes and shoulders the vehicle on cruise control suddenly braked aggressively and came to a full stop in the middle of a state highway bridge. Conditions were daylight, headed towards sun, no shadows on bridge.”
— Owner report, NHTSA ODI #11687511

Read all complaints on NHTSA →

Windshield cracking from minor impact or thermal stress

VISIBILITY/WIPER

7 NHTSA complaints · 2022-12-01 → 2024-09-01

“The windshield on the 2023 is extremely susceptible to cracking easily. Chips turn to cracks within minutes”
— Owner report, NHTSA ODI #11668559
“Front windshield easily cracked from minor rock strikes 3 times within 20 months. Replacement with Subarus OEM glasses twice already within 3 months. Now a new crack needs repair or potential replacement.”
— Owner report, NHTSA ODI #11614676

Read all complaints on NHTSA →

Front brake pulsation and rotor warping

SERVICE BRAKES

7 NHTSA complaints · 2023-05-01 → 2025-04-01

“Subaru issued recall TSB 06-92-24 to address front brake vibration by replacing rotors and pads with upgraded parts. My vehicle received this repair in September 2024. Less than 9,000 miles later, the exact same symptoms returned—steering wheel shaking and brake pulsation.”
— Owner report, NHTSA ODI #11653634
“Right around the 10,000 mile mark I started noticing a shake when braking. I was pretty concerned about this as the car only has the mentioned 10,000 miles. I took it to the dealership where I bought the car. They were able to fix the problem by replacing the rotors and break pads.”
— Owner report, NHTSA ODI #11552358

Read all complaints on NHTSA →

20-inch tire sudden pressure loss and sidewall failure

TIRES

3 NHTSA complaints · 2023-02-01 → 2023-11-01

“We were driving on the 14 freeway when suddenly the car began shaking and warning lights started going off. My husband kept the wheel steady and I saw our tire come off in a solid piece onto the freeway! We had not hit anything.”
— Owner report, NHTSA ODI #11507733

Read all complaints on NHTSA →

Factory battery drain and no-start condition

ELECTRICAL SYSTEM, ENGINE

2 NHTSA complaints · 2023-06-01 → 2026-04-01

“Factory OEM battery has repeatedly failed. Voltage drops below 11.5V in normal use. Three documented failures in six weeks. SAFETY INCIDENT: Vehicle died on a public street and became completely immobilized. Brake warning light activated. Vehicle would not move even after a jump start…”
— Owner report, NHTSA ODI #11733168
“Only 3500 miles on new 2023 Subaru ASCENT and it won"t start. I have had to give it a boost four times already, anytime I need to use it. I check to make sure there are no lights left on. Just staying parked from one day to the next and it won"t start.”
— Owner report, NHTSA ODI #11525200

Read all complaints on NHTSA →

Cruise control unintended acceleration above set speed

FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL, VEHICLE SPEED CONTROL, FUEL/PROPULSION SYSTEM

3 NHTSA complaints · 2024-08-01 → 2026-04-01

“In 2024, 2025, and 2026, I have had 2 incidents in each year where the cruise control is set to 60 to 65 mph and the cruise control then accelerates the car past 100 mph. When this occurs, tapping the break does NOT disengage the cruise control.”
— Owner report, NHTSA ODI #11731662
“There was a SUDDEN and UNINTENDED acceleration without the driver input while braking to park going approximately 1 - 2 MPH. Our safety was at risk. The vehicle was not in our control. A police report was generated. Rather than stopping we crashed into the apartment building…”
— Owner report, NHTSA ODI #11612133

Read all complaints on NHTSA →

EyeSight lane departure assist erratic steering input

LANE DEPARTURE: ASSIST, LANE DEPARTURE: WARNING

2 NHTSA complaints · 2023-11-01 → 2025-09-01

“On August 28, 2025, at approximately 4:45 p.m. while driving on Sugar Ridge Road, my 2023 Subaru Ascent suddenly jerked violently into the left lane without warning while the EyeSight Driver Assist system was active. I had to take immediate corrective action to maintain control…”
— Owner report, NHTSA ODI #11687439

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 11, 2026. Investigation data refreshed Sep 11, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter

Every 6,000 mi

Replace 0W-20 full-synthetic oil and filter every 6,000 miles. WRX/STI 2.0L/2.5L turbo: 3,750 miles. Non-turbo FB engines: 6,000 miles severe / 10,000 normal.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 7,500 mi

Rotate tires every 7,500 miles. Critical on Subaru AWD — uneven tread depth across all 4 tires (>2/32") forces the center differential to bind, damaging the AWD coupling.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 7,500 mi

Inspect brake pads, rotors, calipers, and parking brake every 7,500 miles. Outback and Forester pads commonly last 35,000-50,000 miles depending on terrain.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Front Differential / Manual Transmission Fluid

Every 30,000 mi

Replace front differential and manual transmission fluid every 30,000 miles. CVT models use proprietary Subaru CVT fluid — a separate item.

Estimated cost — typical U.S. ranges

Dealer

~$150–$195

Shop

~$105–$135

DIY

~$20–$50

Rear Differential Fluid

Every 30,000 mi

Replace rear differential fluid every 30,000 miles. Use Subaru 75W-90 GL-5 — substitutes can cause whining noises within months.

Estimated cost — typical U.S. ranges

Dealer

~$150–$195

Shop

~$105–$135

DIY

~$20–$50

CVT Fluid (Lineartronic)

Every 30,000 mi

Subaru CVT models (Outback, Legacy, Forester, Crosstrek, Impreza, Ascent): replace Lineartronic CVT fluid every 30,000 miles severe / 60,000 normal. Subaru High-Torque CVT-II fluid only — incorrect fluid destroys the chain-and-pulley system.

Estimated cost — typical U.S. ranges

Dealer

~$360–$500

Shop

~$255–$355

DIY

~$80–$180

CVT fluid is manufacturer-specific and pricey — do NOT substitute conventional ATF.

Timing Belt (EJ25 engines, pre-2011)

Every 105,000 mi

Older Subarus with the EJ25 boxer engine (Forester, Outback, Legacy 1996-2010): replace timing belt every 105,000 miles. FB and FA boxer engines (2011+) use a chain — no scheduled replacement.

Estimated cost — typical U.S. ranges

Dealer

~$935–$1175

Shop

~$655–$825

DIY

Pro only

On interference engines, a snapped belt destroys valves. Worth doing on schedule. Bundle water pump + tensioner — labor is already there.

Brake Fluid

Every 30,000 mi

Replace DOT 3 brake fluid every 30,000 miles or 30 months. Subaru's brake hold and EyeSight automatic emergency braking depend on uncontaminated fluid.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Engine Air Filter

Every 30,000 mi

Replace engine air filter every 30,000 miles. WRX/STI: inspect every oil change due to the higher airflow demand of the turbo intake.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Spark Plugs

Every 60,000 mi

Iridium plugs every 60,000 miles on FB engines. WRX/STI 2.5L turbo: 30,000 miles due to higher cylinder pressures and EGT.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Super Coolant

Every 30,000 mi

Subaru Super Coolant (blue): first change at 137,500 miles or 11 years, then every 30,000 miles. Do not substitute green or orange — head gasket sealing chemistry depends on the formula.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter

Every 15,000 mi

Replace cabin air filter every 15,000 miles. Behind the glove box on most Subaru models.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

3 crashes 2010–2024

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

4

complaints mentioning a crash

1

complaints mentioning a fire

Reviewed known issues for this vehicle·Open recalls for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2023 Subaru Ascent reflects Subaru's published service intervals. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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