P2682: Engine Coolant Bypass Valve A Control Circuit Low
What Does P2682 Mean?
P2682 is a diagnostic trouble code indicating: Engine Coolant Bypass Valve A Control Circuit Low. This code relates to the powertrain system. It has been reported in NHTSA complaints across 3 different vehicle models.
Symptoms of P2682
- ⚠️ Check engine light illuminated
- ⚠️ Engine overheating
P2682 Reports by Year
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"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"
— Subaru Outback owner, 03/28/2025
"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. My brother in l"
— Subaru Outback owner, 11/22/2023
"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. Looked at instrument cluster, the Check En"
— Subaru Forester owner, 06/15/2023
Source: NHTSA Complaints Database
Most Reported Vehicles for P2682
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | SUBARU FORESTER | |
| 2 | SUBARU OUTBACK | |
| 3 | SUBARU CROSSTREK |
P2682 Reports by Vehicle
Detailed NHTSA complaint analysis for each vehicle model.
Frequently Asked Questions
Can I drive with this code?
Will this code clear itself?
How do I find the exact cause?
Reported Repair Costs for P2682
Based on 6 owner-reported repair costs from NHTSA complaints.
⚠️ These are owner-reported costs, not estimates. Actual costs vary by location, labor rates, and root cause. Source: NHTSA complaints database.
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.