2023 Subaru Impreza Service and Repair Manual

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Covers all 2023 Impreza trims — Touring Hatchback 4-Door, Premium Sedan 4-Door, Limited Hatchback 4-Door +7 more ·
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2023 Subaru Impreza 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

  • Touring Hatchback 4-Door
  • Premium Sedan 4-Door
  • Limited Hatchback 4-Door
  • Convenience Hatchback 4-Door
  • Base Sedan 4-Door
  • Sport Sedan 4-Door
  • Sport Hatchback 4-Door
  • Base Hatchback 4-Door
  • Premium Hatchback 4-Door
  • Sport-tech Hatchback 4-Door

Engines covered

  • 2.0L 1995CC H4 GAS DOHC Naturally Aspirated

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
NHTSA #23V29200025/04/2023Component: EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH

Subaru of America, Inc. (Subaru) is recalling certain 2023 Impreza vehicles. The brake light switch may be improperly adjusted and illuminate the brake lights without application of the brake pedal.

Consequence

An unintentional brake light illumination can fail to alert other motorists of actual brake applicat

Remedy

Dealers will inspect the gap between the brake light switch and stopper, adjusting the switch as nec

NHTSA #23V64700021/09/2023Component: POWER TRAIN:DRIVELINE:DRIVESHAFT

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

Consequence

Separation of the front end of the driveshaft increases the risk of a crash.

Remedy

Dealers will clean the bolt mounting surfaces of the center support brace and install new bolts, fre

TSB #11033069

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

TSB #11033065

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).

TSB #11033063

This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability.

TSB #11033056

This announcement provides information on the remanufactured CVT transmission program.

TSB #11033053

This bulletin announces design changes to the heated steering wheel switch assembly and harness. The new switch design relocates the connector, which requires a different harness routing.

TSB #11033051

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).

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.

Showing the 8 most recent of 194 technical service bulletins on file with NHTSA.

20260204Component: TIRES

The contact owns a 2023 Subaru Impreza equipped with Sailun Tires, Tire Line: Black Hawk Street UHP, Tire Size: 225/40R18, DOT Number: (N/A). The contact had purchased the tires from Amazon. The conta

20251231Component: TIRES

The original equipment (OE) tires (Size: 225/40R18) on a 2023 vehicle exhibited severe, deep concentric cracking on the outer sidewalls and near the bead/rim line of all four tires at approximately 30

20231217Component: UNKNOWN OR OTHER

This Subaru model and most other models I have researched is having connections issues with the infotainment systems, connecting and keeping a connection with Android auto and apple. It's not like jus

20230516Component: FUEL/PROPULSION SYSTEM

Car does not accelerate from a full stop. Hesitates to react to gas pedal for a few seconds

20230516Component: ELECTRICAL SYSTEM

Car does not accelerate from a full stop. Hesitates to react to gas pedal for a few seconds

Showing the 5 most serious of 6 complaints filed with NHTSA.

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