2023 Subaru Legacy service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Premium Sedan 4-Door
- Touring XT Sedan 4-Door
- Base Sedan 4-Door
- Sport Sedan 4-Door
- GT Sedan 4-Door
- Limited Sedan 4-Door
- Touring Sedan 4-Door
Engines covered
- 2.5L 2498CC 152Cu. In. H4 GAS DOHC Naturally Aspirated
- 2.4L 2387CC 146Cu. In. H4 GAS DOHC Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Subaru of America, Inc. (Subaru) is recalling certain 2023 Outback, Legacy, Ascent, and Impreza vehicles. The center support bolts for the driveshaft may loosen, resulting in the disconnection of the
Separation of the front end of the driveshaft increases the risk of a crash.
Dealers will clean the bolt mounting surfaces of the center support brace and install new bolts, fre
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, caus
An inoperative inhibitor switch may prevent the reverse lights from illuminating and the rearview ca
Dealers will replace the inhibitor switch, free of charge. Owner notification letters were mailed J
This Bulletin announces a correction to the diagnostic procedures for certain CVT related DTCs, including P0730, P0746, P0747, P0841, P0846, P0867, P1867, P1894, and P2723.
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
This bulletin provides updated parts information and a service procedure to follow for removing accumulated carbon deposits from fuel injectors and internal engine components (e.g. intake valves and / or manifold, and combustion chambers).
This bulletin announces a design change to the TR690 CVT control valve body which features an enhanced line pressure sensor O-ring, designed to prevent abnormal sensor readings caused by O-ring leakage.
This announcement provides information on the remanufactured CVT transmission program.
This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT) are detected by Keyless Access with Push Button Start(KACM).
This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
Showing the 8 most recent of 290 technical service bulletins on file with NHTSA.
i was traveling into work in Boston and a Dodge Ram 1500 pickup hit me broadside (drivers side wheel, rear door). My air bags (driver front or side) did not deploy and my car was determined to be a
The contact owns a 2023 Subaru Legacy. The contact stated that while driving at various speeds, the forward collision avoidance warning system would independently be active without an obstacle in fron
Full screen ads inhibiting, stopping, and blockingfunctionality unless interacted with from a third party service that was forcibly installed by dealership/manufacturer
All electronic instrument panels failed to power on upon ignition. Vehicle was drive-able, but all key information provided by instrument panel was not available: such as actual speed, gear selection,
While driving home after work on the interstate, I was quite startled to see a large popup on the vehicle's main screen; initially I thought it might be some sort of vehicle-problem, but it was a larg
Showing the 5 most serious of 12 complaints filed with NHTSA.
