2022 Subaru Ascent Service and Repair Manual

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Covers all 2022 Ascent trims — Premium Sport Utility 4-Door, Onyx Edition Sport Utility 4-Door, Limited Sport Utility 4-Door +4 more ·
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2022 Subaru Ascent 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
  • Onyx Edition Sport Utility 4-Door
  • Limited Sport Utility 4-Door
  • Convenience Sport Utility 4-Door
  • Touring Sport Utility 4-Door
  • Premier Sport Utility 4-Door
  • Base Sport Utility 4-Door

Engines covered

  • 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
NHTSA #22V90700008/12/2022Component: ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH

Subaru of America, Inc. (Subaru) is recalling certain 2019-2022 Ascent vehicles. The ground bolt that secures the ground terminal of the Positive Temperature Coefficient (PTC) heater may have been im

Consequence

A melting ground terminal increases the risk of a fire.

Remedy

Owners are advised to park their vehicle away from structures and to avoid leaving the vehicle unatt

TSB #11033077

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.

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 #11033061

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.

TSB #11033056

This announcement provides information on the remanufactured CVT transmission program.

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 #11032039

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

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.

Showing the 8 most recent of 281 technical service bulletins on file with NHTSA.

20250109Component: AIR BAGSCrash reportedFire reported

I was in a front end collision with a deer. Upon impact there was heavy damage to my front end and smoke coming from my engine bay. Within minutes a fire started and only a couple minutes later the en

20250109Component: ENGINECrash reportedFire reported

I was in a front end collision with a deer. Upon impact there was heavy damage to my front end and smoke coming from my engine bay. Within minutes a fire started and only a couple minutes later the en

20250109Component: FUEL/PROPULSION SYSTEMCrash reportedFire reported

I was in a front end collision with a deer. Upon impact there was heavy damage to my front end and smoke coming from my engine bay. Within minutes a fire started and only a couple minutes later the en

20230522Component: UNKNOWN OR OTHERCrash reportedFire reported

I was driving on I-20 when a line of cars suddenly slammed on their brakes in front of me. I slammed on my brakes as well but was unable to stop before hitting the car in front of me. The front of the

20250215Component: AIR BAGSCrash reported2 injured

Air Bags did not deploy going at 32 MPH and during a head on front collision.

Showing the 5 most serious of 75 complaints filed with NHTSA.

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