The 2020 Legacy represents Subaru's transition to the global platform with CVT refinements, but early examples show concerning transmission control module issues and some catastrophic engine failures on the 2.5L, particularly oil consumption leading to bearing damage.
CVT Transmission Control Module (TCM) Failure
Occasional · high severity
Typical onset: 30,000-70,000 mi
Symptoms: Harsh shifting or delayed engagement from Park to Drive, Limp mode with check engine light and transmission warning, Loss of all forward gears suddenly while driving, Multiple DTC codes stored (P0700, P0841, U0101)
Fix: TCM replacement requires transmission software updates and adaptive learning procedures. Subject to recall campaigns but many fail outside recall windows. 3-4 hours labor including programming.
Estimated cost: $1,200-2,000
2.5L Engine Oil Consumption Leading to Bearing Failure
Occasional · high severity
Typical onset: 40,000-90,000 mi
Symptoms: Excessive oil consumption (1 quart per 1,000-2,000 miles), Rod knock or bearing noise on cold starts, Low oil pressure warning with no visible leaks, Metal shavings in oil during changes, Catastrophic engine failure if oil not monitored
Fix: Piston ring replacement if caught early (20-24 hours), but most need complete short block or engine rebuild once bearings are damaged. Subaru extended warranty covers some cases if documented oil consumption tests prove excessive use.
Estimated cost: $5,500-9,000
Transmission Oil Cooler Line Leaks
Common · medium severity
Typical onset: 50,000-90,000 mi
Symptoms: Red fluid puddles under vehicle front-center, Transmission temperature warning light, Low CVT fluid level on dipstick check, Fluid visible on radiator support or frame rails
Fix: Cooler line connections crack at crimps or corrode at fittings. Replace both lines as a set with updated parts. 2-3 hours labor plus CVT fluid refill and flush recommended.
Estimated cost: $600-1,100
Fuel Pump Failure (Subject to Recall)
Occasional · high severity
Symptoms: No-start condition with crank but no fire, Engine stalling at highway speeds without warning, Intermittent hard starting when fuel tank below half, Loss of fuel pressure under load
Fix: Low-pressure fuel pump in tank fails due to impeller manufacturing defect. Covered under recall NHTSA 21V-575 but requires tank drop. 3-4 hours labor if not covered.
Estimated cost: $800-1,400
Eyesight System Calibration Drift and False Warnings
Common · low severity
Typical onset: 20,000-60,000 mi
Symptoms: Pre-collision braking activates on clear roads, Lane departure warnings malfunction constantly, Eyesight disabled message after windshield vibration, Adaptive cruise disengages randomly
Fix: Camera recalibration required after windshield replacement or can drift from road vibration. Static calibration takes 1.5 hours with Subaru SSM-III tool. Some cases need camera module replacement under warranty.
Symptoms: Passenger airbag warning light illuminated with adult passenger, Airbag OFF light when passenger seat occupied by proper-weight adult, Intermittent airbag system warnings
Fix: Front passenger seat weight sensor mat fails or connectors corrode. Subject to recall 21V-384. Seat cushion removal and sensor mat replacement. 1.5-2 hours labor.
Estimated cost: $400-700
Rear Transmission Mount Deterioration
Common · low severity
Typical onset: 60,000-100,000 mi
Symptoms: Clunk on acceleration or deceleration, Excessive driveline movement felt through chassis, Vibration at idle in Drive worse than in Park, Visible cracks or separation in rubber mount
Fix: Rear transmission mount uses softer rubber compound than previous generations and deteriorates faster. Replacement is straightforward but requires transmission support. 1.5 hours labor.
Estimated cost: $300-500
Owner tips
Check oil level every 1,000 miles religiously on the 2.5L engine — document consumption if exceeding 1 quart per 3,000 miles for warranty consideration
CVT fluid should be changed at 60,000 miles regardless of 'lifetime fill' marketing — prevents cooler line debris and extends transmission life
Verify all recall work completed, especially fuel pump and TCM updates, before purchase
Budget for Eyesight recalibration if windshield needs replacement — this is $200-400 on top of glass cost
The 2.4T is more reliable than the 2.5L; buy used only with complete service records showing oil consumption monitoring and all recalls completed — otherwise the engine failure risk is too high for the savings.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER · 24V227000
2024-03-22
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: 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.
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) · 22V485000
2022-07-08
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) · 21V955000
2021-12-09
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.
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.
BACK OVER PREVENTION:DISPLAY FUNCTION · 20V766000
2020-12-10
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: 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.
SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES · 19V664000
2019-09-18
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: 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.
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