2006 Subaru Outback Problems: 4 Known Issues
2006 model year · 4,521+ owner reports · Updated October 2026
According to Au7o's analysis of 4,521+ owner reports, the 2006 Subaru Outback has 4 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 $20 to $2,500. DIY maintenance guides at au7o.io.
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All 4 Known Issues
NHTSA Recalls14 recalls
POWER TRAIN:SHIFT LINKAGE/CABLE/ROD
Subaru of America, Inc. (Subaru) is recalling certain 2021 Outback and Impreza vehicles. The continuously variable transmission (CVT) select lever cable nut may not have been tightened properly, allowing the nut to loosen.
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.
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.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
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.
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.
+ 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 2006 Subaru Outback has 4 documented issues. The most frequently reported are: Head Gasket Failure, P0741 — Torque Converter Clutch Stuck Off from Failed Lockup Solenoid, Bad Trans Ground, or Contaminated Fluid, 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 2006 Subaru Outback has 4 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 2005-2014 Subaru Outback P0741 — Torque Converter Clutch Stuck Off from Failed Lockup Solenoid, Bad Trans Ground, or Contaminated Fluid?
P0741 sets when the ECM/TCM commands the torque converter clutch to lock up but the expected reduction in converter slip doesn't happen. On the older automatic-transmission Outbacks (4EAT/5EAT, roughly 2005-2014) the dominant real-world causes are a failed torque-converter-clutch… Repairs typically run $150-$1,500. Severity: medium.
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.
What is the 2005-2022 Subaru Outback P0442 — Small EVAP Leak from Gas Cap O-Ring or Leaking Purge/Vent Valve?
P0442 means the ECM detected a small leak in the sealed evaporative-emissions system during its self-test. On the Outback the three usual culprits, in order, are: (1) the fuel filler cap — its rubber O-ring hardens and cracks with age, or the cap isn't clicked tight, or a non-OEM… Repairs typically run $20-$400. 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.