P2682 on SUBARU OUTBACK
Engine Coolant Bypass Valve A Control Circuit Low
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Subaru Outback context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P2682.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P2682 Means on Your SUBARU OUTBACK
P2682 is a diagnostic trouble code indicating: Engine Coolant Bypass Valve A Control Circuit Low. This code relates to the fuel, air, emissions, or auxiliary powertrain control system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real SUBARU OUTBACK Owner Reports
Source: NHTSA Complaints Database
"Thermo Control Valve. Check engine light on. Eyesight Adaptive Cruise Control Automatic Emergency Braking Blind Spot Warning Forward Collision Warning Lane Departure Warning Lane Keeping Assistance X mode Dealership would not honor repair even though there is recall it does not cov"
"Received error code P2682, a faulty Thermo Control Valve. This happened on 11/17/2023. Car potentially could have quit running in traffic. Subaru has identified the issue with TSB 09-80-21R. They have changed the design of the valve due to the many failures. My car has 74,000 miles."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on SUBARU OUTBACK
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.