2022 Subaru Outback · Engine cooling
Thermo control valve warning codes
A check-engine light with P2682 or a P26A-series code appears in Subaru's thermo-control-valve diagnostic record.
What the reviewed source says
Start with the documented condition, not a parts guess.
Subaru extended warranty coverage for the thermo control valve on specified Outback model years after identifying that coolant vapor could enter the sensor portion of the valve. That condition can set P2682 or P26A-series codes. The codes must be read and the vehicle checked because unrelated cooling, wiring and sensor faults can produce similar warnings.
Words owners may use
Does this match the moment?
Symptoms in the pattern
- The check-engine light illuminates with P2682 or a P26A-series code stored
- A scan shows that the engine control module detected the valve or sensor-related condition
- A technician confirms the vehicle still has an affected thermo control valve design
Vehicles and scope
- 2020 to 2022 Subaru Outback
- The extension also lists specified Legacy, Forester and Crosstrek model years
- VIN eligibility must be confirmed through Subaru
P2682P26A-seriesManufacturer position
What the official procedure directs
Subaru directs technicians to verify coverage and replace the thermo control valve using the applicable service manual. The replacement design uses an enhanced internal shaft and additional sensor waterproofing.
Subaru Bulletin 09-119-24 extended thermo control valve coverage to 15 years or 150,000 miles for eligible vehicles. A Subaru vehicle coverage inquiry is required before repair.
Original evidence
Open the documents behind this page.
Warranty extension · Subaru Bulletin 09-119-24 · Apr 4, 2024
Thermo Control Valve Warranty Extension
Subaru states the extended term, affected model years, identified coolant-vapor condition and VIN inquiry requirement.
Manufacturer bulletin · Subaru Bulletin 09-80-21 · Feb 28, 2022
P2682 and P26A-series codes: thermo control valve design change
The service bulletin describes the updated valve and the professional replacement procedure for specified vehicles.
Repair paths and safe checks
Separate the diagnosis from the action.
Run a coverage inquiry and replace the valve if confirmed
Ask a Subaru retailer to read the stored codes, check the VIN for the active extension and follow the service-manual thermo control valve replacement procedure when the condition is confirmed.
The procedure involves the cooling system, fuel delivery pipe and one-time-use gaskets. It is intended for trained technicians.
What owners reported
Did this repair fix the same symptom on your car?
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Save the codes and check coolant only when cold
Save a scan report before clearing anything. Once the engine is completely cold and on level ground, compare the reservoir level with the owner's manual marks and photograph any warnings for the service visit.
Never open a hot cooling system. A code match is not confirmation that the valve is the only fault.
What owners reported
Did this repair fix the same symptom on your car?
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Useful before authorizing work
Read the method beside the problem
These guides explain the safety and evidence checks that apply to this problem file.
Bulletin, recall or warranty?
Three official looking documents can describe the same bad part while creating very different rights. The document number, VIN scope and remedy language matter more than what someone called it at the service counter.
Read guide ↗When a car is unsafe
A warning light does not always mean the same thing, but weak brakes or smoke leave little room for experimentation. Damaged tires and certain recall instructions can do the same.
Read guide ↗Read an OBD II code
A scan tool can name the condition the vehicle computer detected. It cannot inspect a connector, test fuel pressure or prove that the component named in a generic description has failed.
Read guide ↗More for this model
Other reviewed Subaru Outback conditions
2020 Subaru Outback · Brakes & vehicle control
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NHTSA campaign 19V664000 lists the 2020 Subaru Outback for a condition in which brake pedal bracket bolt may be loose or missing.
2015 Subaru Outback · Transmission & driveline
Propeller shaft seal may leak transmission oil
NHTSA campaign 15V502000 lists the 2015 Subaru Outback for a condition in which propeller shaft seal may leak transmission oil.
2015 to 2017 Subaru Outback · Steering & suspension
Steering control may be reduced
(Subaru) is recalling certain model year 2016-2017 Legacy and Outback vehicles manufactured February 29, 2016, to May 6, 2016.