2009 Subaru Outback Problems: 2 Known Issues
2009 model year · 4,521+ owner reports · Updated October 2026
According to Au7o's analysis of 4,521+ owner reports, the 2009 Subaru Outback has 2 documented known issues, with 1 rated critical. The most serious is Head Gasket Failure ($1,500-$2,500 repair). The most commonly reported issue is Head Gasket Failure with 4,521 owner reports. Across all issues with published estimates, repair costs range from $1,500 to $2,500. DIY maintenance guides at au7o.io.
2009 · Limited · All engines
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All 2 Known Issues
NHTSA Recalls14 recalls
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.
BACK OVER PREVENTION:DISPLAY FUNCTION
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."
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
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.
SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
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.
POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH
Subaru of America, Inc. is recalling certain model year 2021 Crosstrek, 2022 Forester, 2021-2023 Legacy, and Outback vehicles. An insufficient weld may allow water to enter the inhibitor switch, causing it to fail.
+ 9 more recalls. Check all on NHTSA.gov
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Frequently Asked Questions
What are the most common Subaru Outback problems?
According to Au7o's analysis of 4,521+ owner reports, the 2009 Subaru Outback has 2 documented issues. The most frequently reported are: Head Gasket Failure, Melting / Sticky Dashboard (Instrument Panel Degradation) Causing Glare. Of these, 1 is rated critical and should be addressed promptly.
Is the Subaru Outback reliable?
The 2009 Subaru Outback has 2 known issues documented across 4,521+ owner reports. 1 issue is rated critical: Head Gasket Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Subaru Outback problems?
Repair costs for known Subaru Outback issues range from $0 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Head Gasket Failure, typically costs $1,500-$2,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1999-2010 Subaru Outback Head Gasket Failure?
The 2.5L non-turbo engine is known for external head gasket leaks. Oil seeps past the gasket and can contaminate the coolant. Subaru extended warranties and improved gasket design in later years. Repairs typically run $1,500-$2,500. Severity: high.
What is the 2005-2009 Subaru Outback Melting / Sticky Dashboard (Instrument Panel Degradation) Causing Glare?
On 2005-2009 Legacy and Outback models, the top surface of the dashboard/instrument panel degrades in heat and humidity, becoming sticky, shiny/glossy, and giving off a chemical odor. The high-gloss surface reflects into the windshield and can create glare for the driver. A propo… Repairs typically run $0-$1,000. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.