2021 Land Rover Discovery Service and Repair Manual

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Factory-Grade Data

2021 Land Rover Discovery 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.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • R-Dynamic S Sport Utility 4-Door
  • R-Dynamic SE Sport Utility 4-Door
  • S Sport Utility 4-Door
  • R-Dynamic HSE Sport Utility 4-Door

Engines covered

  • 3.0L 2996CC 183Cu. In. l6 MILD HYBRID EV-GAS (MHEV) DOHC Turbo/Supercharged
  • 2.0L 1997CC 122Cu. In. l4 GAS DOHC Turbocharged
  • 3.0L 2996CC 183Cu. In. l6 MILD HYBRID EV-GAS (MHEV) 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

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Vehicle Safety Data

2021 Land Rover Discovery Recalls & Complaints

NHTSA #21V66800026/08/2021Component: SEAT BELTS:FRONT:RETRACTOR

Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2021 Range Rover, 2022 Range Rover Sport, 2020-2021 Range Rover Velar, Discovery Sport, 2020-2022 Discovery, and Defender vehicle

Consequence

An unsecured child restraint system can increase the risk of injury during a crash.

Remedy

Dealers will inspect and replace the seat belt assemblies as necessary, free of charge. Owner lette

NHTSA #26V24800017/04/2026Component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER

Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2021-2024 Land Rover Range Rover Velar and Land Rover Discovery, 2020-2023 Land Rover Range Rover Evoque, 2019-2024 Land Rover Ra

Consequence

A loss of drive power increases the risk of a crash.

Remedy

The remedy for this recall is currently under development. Interim letters, notifying owners of the

TSB #11032425

Software Over The Air (SOTA) updates are failing to complete

TSB #11032422

Door Zone Module - Quiescent Drain

TSB #11032373

The transfer case clutch and / or All Wheel Drive (AWD) lock cannot perform as designed. This may show as a reduction in torque to the front axle during driving or as an inability to apply the AWD lock.

TSB #11031113

Software Over The Air (SOTA) updates are failing to complete.

TSB #11030964

While driving with satellite maps, sometimes image doesn't load fully and then comes back

TSB #11030963

INCONTROL REMOTE APP WAKE UP TIMER

TSB #11030962

There are several scenarios where the key may be set to a deactivated state.

TSB #11030751

Smart Key Deactivated message on instrument cluster and unable to start their vehicle

Showing the 8 most recent of 453 technical service bulletins on file with NHTSA.

20260512Component: ELECTRICAL SYSTEM

Supplement / update to prior NHTSA complaints regarding my 2021 Land Rover Discovery MHEV (VIN: [XXX] y prior complaints, Jaguar Land Rover has issued Recall 26V248 for DC/DC converter failure leading

20260512Component: FUEL/PROPULSION SYSTEM

Supplement / update to prior NHTSA complaints regarding my 2021 Land Rover Discovery MHEV (VIN: [XXX] y prior complaints, Jaguar Land Rover has issued Recall 26V248 for DC/DC converter failure leading

20260418Component: ELECTRICAL SYSTEM

I am filing a safety complaint regarding a sudden and complete loss of power event while driving my 2021 Land Rover Discovery. The vehicle experienced a DC-DC converter failure with no warning, result

20260418Component: POWER TRAIN

I am filing a safety complaint regarding a sudden and complete loss of power event while driving my 2021 Land Rover Discovery. The vehicle experienced a DC-DC converter failure with no warning, result

20260418Component: ENGINE

I am filing a safety complaint regarding a sudden and complete loss of power event while driving my 2021 Land Rover Discovery. The vehicle experienced a DC-DC converter failure with no warning, result

Showing the 5 most serious of 18 complaints filed with NHTSA.

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