P2682 on SUBARU FORESTER
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 Forester 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 FORESTER
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 FORESTER Owner Reports
Source: NHTSA Complaints Database
"most of the safety quiet. motor cut out, eyesight quiet working, check engine light came on service person said the diagnostic showed a code p2682 engine coolant bypass valve control low. steering light came on. No prior warnings. happened while driving at speed limit on interstate."
"Was driving in the right-hand lane on the interstate with the cruise control set, went to change lanes as I was approaching a slower moving semi truck going up an incline. Cruise control deactivated with no inputs from myself. Vehicle began to decelerate."
"Thermocontrol valve failure. Part failure common to this vehicle make and model. Part has been repaired at this time. However Subaru is aware of the part failure reference service bulletin DTC # P2682 & P26Ax** / Thermo Control Valve – Design Change. Number: 09-80-21. Date: 02/28/2022."
"Part #21319AA010 COOLANT CONTROL VALVE ASSEMBLY. THERE IS A HUGE LINE 25 CUSTOMERS FOR THE SAME PART AT THE SUBARU DEALER I PURCHSAED THE 2019 BASE FORESTER FROM. CODE HAS BEEN READ. CODE P2682. VEHICLE HAS 50000 MILES. THE PART IS $435 PLUS INSTALLATION."
"The contact owns a 2020 Subaru Forester. The contact stated while driving 70 MPH, the vehicle failed to accelerate and then stalled. The driver was able to pull over safely. There were no warning lights illuminated."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on SUBARU FORESTER
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.