2017 Land Rover Discovery Problems: 5 Known Issues
2017 model year · 7,480+ owner reports · Updated October 2026
According to Au7o's analysis of 7,480+ owner reports, the 2017 Land Rover Discovery has 5 documented known issues, with 2 rated critical. The most serious are EGR Cooler Failure and Coolant Leak (TDV6/SDV6) ($2,000-$5,000 repair) and Rear Door May Remain Unlatched or Open While Driving — Recall 23V393. The most commonly reported issue is Sunroof and A-Pillar Water Leaks with 3,200 owner reports. Across all issues with published estimates, repair costs range from $100 to $5,000. DIY maintenance guides at au7o.io.
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All 5 Known Issues
NHTSA Recalls9 recalls
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.
ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2019-2023 Range Rover Sport, 2020-2023 Range Rover, Defender, 2022-2023 Discovery, and 2023 Range Rover Velar vehicles. The engine cam carrier oil channel may be blocked, which can lead to an oil leak.
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 Range Rover Sport, 2020-2024 Land Rover Range Rover, 2020 Land Rover Discovery Sport, 2020-2024 Land Rover Defender, 2021-2024 Jaguar F-Pace, and 2021-2022 Jaguar E-Pace mild-hybrid electric vehicles (MHEVs). Insufficient electrical load balancing during times of high demand can lead to a current overload condition and malfunction of the DCDC converter. A failure of the DC-DC converter will result in a loss of 12-Volt system charging and can lead to complete loss of drive power and exterior lighting.
AIR BAGS:FRONTAL
Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2020-2026 Land Rover Defender, 2021-2026 Discovery, and 2022-2026 Range Rover vehicles. The driver’s air bag clockspring connector may corrode, which can cause the air bag not to deploy as intended.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2021-2025 Land Rover Discovery vehicles. Water may not be able to drain away from the rearview camera due to insufficient drain holes, which may result in damage to the rearview camera.
+ 4 more recalls. Check all on NHTSA.gov
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Frequently Asked Questions
What are the most common Land Rover Discovery problems?
According to Au7o's analysis of 7,480+ owner reports, the 2017 Land Rover Discovery has 5 documented issues. The most frequently reported are: EGR Cooler Failure and Coolant Leak (TDV6/SDV6), Rear Door May Remain Unlatched or Open While Driving — Recall 23V393, Sunroof and A-Pillar Water Leaks. Of these, 2 are rated critical and should be addressed promptly.
Is the Land Rover Discovery reliable?
The 2017 Land Rover Discovery has 5 known issues documented across 7,480+ owner reports. 2 issues are rated critical: EGR Cooler Failure and Coolant Leak (TDV6/SDV6) and Rear Door May Remain Unlatched or Open While Driving — Recall 23V393. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Land Rover Discovery problems?
Repair costs for known Land Rover Discovery issues range from $100 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, EGR Cooler Failure and Coolant Leak (TDV6/SDV6), typically costs $2,000-$5,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2010-2018 Land Rover Discovery EGR Cooler Failure and Coolant Leak (TDV6/SDV6)?
The EGR cooler on the 3.0L TDV6 and SDV6 diesel engines develops internal cracks that allow coolant to leak into the exhaust system. This causes white smoke from the exhaust, gradual coolant loss, and can contaminate the DPF. In the worst case, coolant enters the combustion chamb… Repairs typically run $2,000-$5,000. Severity: high.
What is the 2017-2020 Land Rover Discovery Rear Door May Remain Unlatched or Open While Driving — Recall 23V393?
Recall 23V393 (JLR N798) concerns selected 2017–2020 Discoverys. Water entering a rear-door latch can corrode its motor mechanism, leaving the door unsecured even when it appears closed. JLR records reports of rear doors opening in motion without a cluster warning. A rear door ma… Severity: high.
What is the 2005-2024 Land Rover Discovery Sunroof and A-Pillar Water Leaks?
The Discovery is notorious for water leaks through blocked sunroof drains and deteriorated A-pillar seals. Water enters the cabin through the headliner and runs down the A-pillars, pooling in the front footwells. On LR3/LR4 models, this can damage the BECM (body electronics contr… Repairs typically run $100-$1,200. Severity: medium.
What is the 2010-2020 Land Rover Discovery Diesel Particulate Filter (DPF) Regeneration Issues?
Diesel Discovery models suffer from DPF regeneration problems, especially when used for short journeys. The DPF becomes overloaded with soot and the active regeneration cycle cannot complete, leading to a blocked filter. Warning lights illuminate and the engine enters limp mode. Repairs typically run $300-$3,500. Severity: medium.
What is the 2017-2025 Land Rover Discovery L462 Discovery Air Suspension Height Sensor Failure?
The current-generation L462 Discovery continues the air suspension tradition with its own set of issues. The ride height sensors are particularly prone to failure, giving incorrect height readings that cause the vehicle to sit at uneven heights. The sensors are located at each co… Repairs typically run $300-$800. Severity: medium.
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.