2020 Volvo S90 Service and Repair Manual

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Covers all 2020 S90 trims — T8 Inscription Sedan 4-Door, T6 Momentum Sedan 4-Door, T6 Inscription Sedan 4-Door +2 more ·
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2020 Volvo S90 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 troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • T8 Inscription Sedan 4-Door
  • T6 Momentum Sedan 4-Door
  • T6 Inscription Sedan 4-Door
  • T6 R-Design Sedan 4-Door
  • T8 R-Design Sedan 4-Door

Engines covered

  • 2.0L 1969CC l4 PLUG-IN HYBRID EV-GAS (PHEV) DOHC Turbo/Supercharged
  • 2.0L 1969CC l4 GAS DOHC Turbo/Supercharged

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 #20V14400012/03/2020Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

Volvo Cars USA LLC (Volvo Cars) is recalling certain 2019-2020 S60, V60, V60 Cross Country, S90L, V90, V90 Cross Country, XC40, XC60, and XC90 vehicles. Due to a software/hardware incompatibility, th

Consequence

If the automatic emergency braking system does not engage as intended, it can increase the risk of a

Remedy

Volvo will notify owners, and dealers will update the Active Safety Domain Master (ASDM) software, f

TSB #11009813

This is a Technical Journal: Transmission Shifts From D or R to P Immediately After Starting. This symptom can occur if the driver changes the position of the gear shifter from P to D or R very quickly after starting the engine and the star

TSB #11009811

This is a Technical Journal: Software Upgrade / Download Guide. If one control unit is upgraded and not all, it may result in various problems.

TSB #11009810

This is a Technical Journal: DIM Message and DTC IEM P0C0500. 1. Erase the DTC 2. Test drive the vehicle in electrical mode and accelerate until the vehicle reaches a minimum of 30 km/h (19 mph). 3. Perform a new VIDA readout

TSB #11009807

This is a Technical Journal. Vehicle type and platform identification.

TSB #11009509

This is a Technical Journal: Software Update Fails and VIDA Can't Connect, VGM Unresponsive. Reset or replace VGM.

TSB #11032678

This is a Technical Journal: Text plus 2 PDFs and 1 .PNG Oil Consumption test. Perform the test. Follow service procedure Description and Service sections updated to clarify that vehicle reports are not required.

TSB #11032671

This is a TJ text only - The purpose of this TJ is to be a master reference list to easily identify any components that are on prior approval. This TJ will be regularily updated as items are added or removed from prior approval. Curren

TSB #11028386

This is a Technical Journal: Text plus 1 jpg and 1 mp4 file -- If there is a strange chafing or creaking noise when turning the steering wheel, follow the advice under Service.

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

20220823Component: FORWARD COLLISION AVOIDANCE: WARNINGS

On 8/22 while driving on a city road in extreme rainy conditions the vehicle in front of me drove through standing water, which created significant spray. As a result the City Safety feature of my Vol

20211207Component: SERVICE BRAKES

- Brakes, Wheels, and possibly suspension. - Car shudders under braking, impacts stopping ability. All tires vibrate while driving. Wheels are warped/damaged. - Vehicle went to the dealer. Replaced al

20211207Component: WHEELS

- Brakes, Wheels, and possibly suspension. - Car shudders under braking, impacts stopping ability. All tires vibrate while driving. Wheels are warped/damaged. - Vehicle went to the dealer. Replaced al

20211207Component: SUSPENSION

- Brakes, Wheels, and possibly suspension. - Car shudders under braking, impacts stopping ability. All tires vibrate while driving. Wheels are warped/damaged. - Vehicle went to the dealer. Replaced al

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