2023 Subaru Solterra Service and Repair Manual

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Factory-Grade Data

2023 Subaru Solterra 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 Sport Utility 4-Door
  • Limited Sport Utility 4-Door
  • Touring Sport Utility 4-Door
  • Base Sport Utility 4-Door

Engines covered

  • BATTERY EV (EV/BEV)

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

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Vehicle Safety Data

2023 Subaru Solterra Recalls & Complaints

NHTSA #25V74400030/10/2025Component: BACK OVER PREVENTION:DISPLAY FUNCTION

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022-2026 Toyota, Lexus, and Subaru Solterra vehicles equipped with a Panoramic View Monitor (PVM) system. Please see the recall

Consequence

A rearview camera that fails to display an image can reduce the driver's view behind the vehicle, in

Remedy

Dealers will update the parking assist software, free of charge. Owner letters were mailed January 2

NHTSA #22V44400023/06/2022Component: WHEELS:HUB

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023 Subaru Solterra and Toyota BZ4X vehicles. The hub bolts on the wheels may loosen, causing a wheel to detach from the vehicl

Consequence

A wheel detaching from a moving vehicle can result in a loss of vehicle control, increasing the risk

Remedy

Owners are advised not to drive their vehicles until they are repaired. Dealers will replace the hu

NHTSA #23V06400009/02/2023Component: WHEELS:HUB

Subaru of America, Inc. (Subaru) is recalling certain 2023 Solterra vehicles. Improperly tightened hub bolts may loosen and cause the wheels to detach from the vehicle.

Consequence

Wheel detachment while driving can result in a loss of vehicle control, increasing the risk of a cra

Remedy

Owners are advised not to drive their vehicle until the repair has been completed. Dealers will ins

NHTSA #25V57700004/09/2025Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2025 bZ4X, Lexus RZ, and Subaru Solterra vehicles. During certain HVAC system faults, such as electrical compressor failure,

Consequence

An inoperative defroster and defogger system can decrease the driver's visibility under certain driv

Remedy

Dealers will update the HVAC control ECU software, free of charge. Dealers will also inspect the ele

TSB #11032040

This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.

TSB #11032039

This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.

TSB #11032038

This Bulletin announces the Pre-Delivery Inspection (PDI) procedure for Solterra.

TSB #11032036

Subaru of America, Inc. (Subaru) has initiated a safety recall for certain 2023-2025 model year Solterra Vehicles to update the Parking Assist Electronic Control Unit (ECU) software.

TSB #11032035

This Bulletin provides the diagnostic procedures to be followed when addressing customer concerns of steering wheel/vehicle body vibration when driving at highway speeds when tire/wheel balance is suspected.

TSB #11032034

This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.

TSB #11032033

This Service Information Bulletin announces a design change to the tailgate rear taillight assembly.

TSB #11030567

This bulletin contains information to help when attempting to complete the STARLINK Telematics subscription process, an Error Code 202 and / or 204 may occur preventing the process from completing successfully

Showing the 8 most recent of 162 technical service bulletins on file with NHTSA.

20251107Component: BACK OVER PREVENTION: WARNINGSCrash reported

minor accident in July 2024. it took more that 6 months to get sensor parts. still to this day Subaru cannot reactivate the parking assist braking function after working with the body shop and the loc

20250421Component: VEHICLE SPEED CONTROLCrash reported

Sudden unintended acceleration while maneuvering to park. The acceleration was instantaneous and forceful, that in less than 20 feet of rapid movement the car forced itself over some utility poles la

20250421Component: ELECTRICAL SYSTEMCrash reported

Sudden unintended acceleration while maneuvering to park. The acceleration was instantaneous and forceful, that in less than 20 feet of rapid movement the car forced itself over some utility poles la

20250421Component: ENGINECrash reported

Sudden unintended acceleration while maneuvering to park. The acceleration was instantaneous and forceful, that in less than 20 feet of rapid movement the car forced itself over some utility poles la

20250306Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKINGCrash reported

My Subaru Solterra EV was parked in the driveway of an Airbnb in Virginia. We were about to depart to return home. Vehicle was turned on and driver commenced to back out of the driveway, however rea

Showing the 5 most serious of 80 complaints filed with NHTSA.

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