2019 Subaru WRX STI repair manual

2019 Subaru WRX STI workshop manual (VA): factory repair procedures and wiring diagrams

The 2019 Subaru WRX STI (VA) factory repair manual, made for your VIN from Subaru's own service information: repair procedures, torque specs and wiring diagrams for your exact WRX STI. The 2019 WRX STI came with the 2,5 liter turbo, 6MT, AWD. engine.

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What you get with this manual

• One payment: no subscription, no login that expires, no monthly fee
• A PDF with working hyperlinks: click a reference in a procedure and you land on the wiring diagram, spec or step it points to. Most PDF manuals sold online are flat scans without them
• Wiring included: diagrams, connector pinouts and component locations
• Computer, phone or tablet: no app needed, and you can print the pages you work from
• A real person checks every order and the VIN before the manual is built
• Online since 2015, rated a Google Top Quality Store

Not the owner's manual

Many people search for the 2019 WRX STI owner's manual and need more than it gives. The difference:

• Owner's manual: controls, warning lights, maintenance schedule, fluid types
• Factory repair manual: diagnosis by trouble code, step-by-step repairs, tightening torques, wiring diagrams and connector views

Model year 2019 is part of the WRX STI (VA) generation (2015–2021). Most procedures are shared with the other years of this generation, but options, software and wiring changed along the way, which is why the manual is built for your VIN.

Engine options

• 2,5 liter turbo, 6MT, AWD.

The manual is made for the version in your VIN, so you don't have to work out your engine code.

Common work on a 2019 WRX STI

• Coolant and transmission fluid service
• Battery, starter and charging faults
• Sensor faults: oxygen, ABS wheel speed, mass air flow
• Door lock actuators and window regulators
• Brake pads, rotors and calipers
• Boost leaks and intercooler hoses
• Turbocharger oil feed and return lines

Recalls and owner complaints for the 2019 WRX STI

The U.S. safety agency NHTSA lists 2 safety recalls and 30 owner complaints for the 2019 WRX STI. The factory manual has the procedures for the parts involved.

• Fuel System, Gasoline: Fuel Pump (campaign 21V587000)
• Exterior Lighting: Switch (campaign 22V522000)

Most owner complaints concern: Electrical System (14), Engine (11), Unknown or Other (7), Fuel/Propulsion System (2), Power Train (2).

On a 2019 vehicle the 10th character of the 17-digit VIN is “K”, a quick way to confirm the model year before you order.

Other years of the same generation: 2015 WRX STI, 2016 WRX STI, 2017 WRX STI, 2018 WRX STI, 2020 WRX STI, 2021 WRX STI.

Also for Subaru: 2026 Crosstrek, 2024 Crosstrek Wilderness, 2025 Crosstrek Wilderness, 2022 Forester Wilderness, 2019 Impreza, 2025 Impreza, 2019 Outback, 2025 Outback, 2025 Solterra, 2013 Tribeca.

What happens after you order

1. We check the VIN.
2. We compile the 2019 WRX STI service information for it.
3. You receive one bookmarked, hyperlinked PDF by email in 12–24 hours.

What you'll find in the 2019 WRX STI manual

• Vehicle-specific information
• General Description
• Engine
• Suspension
• Driveline/Axle
• Brakes
• Transmission/Transaxle
• Steering
• Heater & Airconditioner, Ventilator
• Airbag System & Seat Belt System
• Body & Electrical
• Fuse and Relay
• Power Supply Circuit
• Ground Circuit
• Active Sound Control System
• Airbag System
• Air Conditioning System
• AT Control System
• Audio and Navigation System
• Back-up Light System
• Blind Spot Detection/Rear Cross Traffic Alert
• CAN Communication System
• Charging System
• Clearance Light and Illumination Light System
• Combination Meter System
• Cruise Control System
• Daytime Running Light System
• Door Lock Control System
• Electric Power Steering System
• Engine Electrical System
• EyeSight System
• Front Accessory Power Supply Socket System
• Front Wiper and Washer System
• Headlight Beam Leveler System
• Headlight System
• Horn System
• Immobilizer System
• Interior Light System
• Keyless Access with Push Button Start System
• Mirror Heater System

Trim models offered for the 2019 Subaru WRX STI:

2,5 liter turbo, 6MT, AWD.

Your manual is built for the version in your VIN.

This video is for information. Your manual looks and works the same way, but it is not identical.

Free, by email in 12-24 hours.