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Land Rover · Known Issues

2020 Land Rover Discovery Sport Problems & Issues

2020 model year · 2,070+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 2,070+ owner reports, the 2020 Land Rover Discovery Sport has 3 documented known issues. None of the listed issues is rated critical; this is not a complete reliability assessment. The most commonly reported issue is Panoramic Sunroof Drain Blockage and Seal Leaks with 1,200 owner reports. Across all issues with published estimates, repair costs range from $100 to $800. DIY maintenance guides at au7o.io.

In This Article

  • Discovery Sport Body/Panels1
  • Discovery Sport Transmission1
  • Discovery Sport Electrical1
  • Recalls7
  • FAQ
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In This Article

  • Body/Panels1
  • Transmission1
  • Electrical1
  • Recalls7
  • FAQ

All 3 Known Issues

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ALL YEARS20222021202020192018201720162015
Community reported
1,200 owners

On the 2015-2022 Land Rover Discovery Sport, like most Land Rover models, the Discovery Sport suffers from panoramic sunroof drain blockages that cause water to enter the cabin. The long drain tubes running from the front sunroof tray down to the A-pillars and from the rear tray to the C-pillars become blocked with debris. The sunroof seal can also deteriorate, allowing water past even with clear drains.

This issue also affects: Land Rover Discovery, Land Rover Range Rover

Common Symptoms

  • Water dripping inside the cabin during or after rain
  • Wet headliner
  • Damp carpets in footwells
  • Musty smell
  • Water stains on A or C pillars

How to Fix

Clear all sunroof drain tubes with compressed air (never use a wire). Inspect and replace the sunroof seal if deteriorated. Clean the sunroof tray of debris and leaves. Apply a thin bead of silicone sealant along the tray edges if the factory seal has failed.

Owner tips & cautions

  • TipClear drains every 6 months. Park under trees? Do it every 3 months. The tubes are long and narrow and block easily.
Typical repair cost:$100 - $800

Research This Issue

Based on 1,200 owner reports

GoogleRedditYouTubeNHTSA
Community Reported
High Confidence1,200 owner reportsLast reported by owners Feb 2026Reviewed Mar 2026

On the 2015-2020 Land Rover Discovery Sport, jLR documented transmission-related complaints on 2015 Discovery Sport vehicles including rough, delayed or sudden shifting, grinding during shifts, harsh engagement and reduced power when a gear engages. JLR also published a 2016-2022 diagnostic topic for harsh shifts or a transmission warning on ZF-equipped vehicles. These sources support the indexed symptom identity, but they do not establish one universal calibration defect, cold-shift cause, generic DTC attribution or valve-body failure across every vehicle.

This issue also affects: Jaguar E-PACE, Land Rover Range Rover Sport

How to Fix

Record the exact shift behavior, temperature, warning and stored DTCs, then use the current VIN-applicable JLR/ZF diagnostic workflow. JLR asks technicians to include the ZF analysis form, adaptation printouts and evidence of fluid condition when escalating a case. Do not prescribe a fluid change, valve-body replacement or software update from this page without the diagnostic result. The historical 2015 U.S. warranty extension has expired and must not be presented as current coverage.

Research This Issue

GoogleRedditYouTubeNHTSA
Manually Verified
High ConfidenceVerifiedReviewed Aug 2026
Community reported
870 owners

On the 2015-2022 Land Rover Discovery Sport, the wiring harness that runs through the tailgate hinge area on the Discovery Sport chafes against the body structure as the tailgate opens and closes. Over time, individual wires break or short out, causing intermittent failures of the rear wiper, rear wash, license plate lights, tailgate release, and backup camera. The rubber grommet protecting the wires deteriorates.

Common Symptoms

  • Rear wiper stops working intermittently
  • Backup camera cuts in and out
  • License plate lights not working
  • Tailgate release button unresponsive
  • Multiple rear electrical faults simultaneously

How to Fix

Inspect the tailgate wiring harness where it passes through the hinge area. Repair any broken wires and wrap the harness with additional protective sleeving. Replace the rubber grommet with the updated JLR part. In severe cases, the entire tailgate harness may need replacement.

Owner tips & cautions

  • TipInspect the tailgate wiring harness at every service. Catching a chafed wire before it breaks saves a lot of diagnostic time and money.
Typical repair cost:$200 - $800

Research This Issue

Based on 870 owner reports

GoogleRedditYouTubeNHTSA
Community Reported
High Confidence870 owner reportsLast reported by owners Nov 2025Reviewed Mar 2026
NHTSA Recalls7 recalls

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 vehicles. The seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly.

Campaign #21V66800026/08/2021

ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER

Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2019-2024 Land Rover Range Rover Sport, 2020-2024 Land Rover Range Rover Evoque, Land Rover Range Rover, Land Rover Discovery Sport, Land Rover Defender, 2021-2024 Land Rover Range Rover Velar, Jaguar E-Pace, F-Pace, and Land Rover Discovery vehicles. The DC-DC converter may malfunction due to an electrical overload that can occur during high power demand. Additionally, a software error can cause the DC-DC converter to stop functioning at vehicle start-up under certain circumstances. Failure of the DC-DC converter will result in the loss of 12-Volt system charging and can lead to complete loss of drive power and exterior lighting.

Campaign #26V59900017/09/2026

ELECTRICAL SYSTEM:SOFTWARE

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Other Land Rover Models

Land Rover Series IIA62Land Rover Series II57Land Rover Series I51Land Rover Defender44Land Rover Series III25Land Rover Range Rover Sport11

Frequently Asked Questions

What are the most common Land Rover Discovery Sport problems?

According to Au7o's analysis of 2,070+ owner reports, the 2020 Land Rover Discovery Sport has 3 documented issues. The most frequently reported are: Panoramic Sunroof Drain Blockage and Seal Leaks, ZF 9HP48 9-Speed Transmission Harsh Shifting, Tailgate Wiring Harness Chafing and Breakage. None are rated critical, but regular maintenance is recommended.

Is the Land Rover Discovery Sport reliable?

The 2020 Land Rover Discovery Sport has 3 known issues documented across 2,070+ owner reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Land Rover Discovery Sport problems?

Repair costs for known Land Rover Discovery Sport issues range from $100 to $800, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2015-2022 Land Rover Discovery Sport Panoramic Sunroof Drain Blockage and Seal Leaks?

Like most Land Rover models, the Discovery Sport suffers from panoramic sunroof drain blockages that cause water to enter the cabin. The long drain tubes running from the front sunroof tray down to the A-pillars and from the rear tray to the C-pillars become blocked with debris. Repairs typically run $100-$800. Severity: medium.

What is the 2015-2020 Land Rover Discovery Sport ZF 9HP48 9-Speed Transmission Harsh Shifting?

JLR documented transmission-related complaints on 2015 Discovery Sport vehicles including rough, delayed or sudden shifting, grinding during shifts, harsh engagement and reduced power when a gear engages. JLR also published a 2016-2022 diagnostic topic for harsh shifts or a trans… Severity: medium.

What is the 2015-2022 Land Rover Discovery Sport Tailgate Wiring Harness Chafing and Breakage?

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data sourced from 2,070+ owner reports, NHTSA recalls, TSBs, and automotive forums.

Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2020 Land Rover Discovery Sport and Range Rover Evoque MHEV vehicles. The 48 volt electrical system may experience an overload event, causing a failure of the Metal Oxide Semiconductor Field Effect Transistor (MOSFET) and result in a DCDC converter electrical short-circuit.

Campaign #20V68300005/11/2020

FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL

Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2018 Land Rover Range Rover Evoque, Range Rover Velar, and Land Rover Discover Sport vehicles equipped with a 2.0L gasoline engine. The fuel rail end caps may leak, possibly resulting in fuel vapor or liquid fuel leaking into the engine bay.

Campaign #18V08700001/02/2018

SEAT BELTS:PRETENSIONER

Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2022-23 Land Rover Defender, Discovery, Discovery Sport and 2022 Range Rover Sport and Range Rover Velar vehicles. The driver and front passenger seat belt pretensioners may be damaged, which can cause the seat belts to not properly restrain occupants.

Campaign #22V52300021/07/2022

+ 2 more recalls. Check all on NHTSA.gov

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

The wiring harness that runs through the tailgate hinge area on the Discovery Sport chafes against the body structure as the tailgate opens and closes. Over time, individual wires break or short out, causing intermittent failures of the rear wiper, rear wash, license plate lights… Repairs typically run $200-$800. Severity: low.