2015 Land Rover Discovery Problems: 5 Known Issues
2015 model year · 12,900+ owner reports · Updated October 2026
According to Au7o's analysis of 12,900+ owner reports, the 2015 Land Rover Discovery has 5 documented known issues, with 2 rated critical. The most serious are Air Suspension Compressor Overheating and Failure ($1,000-$3,000 repair) and EGR Cooler Failure and Coolant Leak (TDV6/SDV6) ($2,000-$5,000 repair). The most commonly reported issue is Air Suspension Compressor Overheating and Failure with 4,500 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 Recalls13 recalls
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2020-2021 Land Rover Discovery vehicles. A loose contact between the battery ground stud and the chassis may result in various electrical faults, possibly causing a loss of electrical power or the vehicle to shut down while driving.
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.
SEATS:MID/REAR ASSEMBLY
Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2020 Discovery vehicles. The second row seat frame assembly may be missing fasteners, resulting in a seat frame with insufficient strength.
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
Jaguar Land Rover North America, LLC. (Land Rover) is recalling certain 2018-2020 Range Rover, Range Rover Sport, Discovery, and Range Rover Velar vehicles. The Auto High Beam (AHB) system does not indicate through the instrument cluster when the high beams are illuminated automatically. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
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.
+ 8 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 12,900+ owner reports, the 2015 Land Rover Discovery has 5 documented issues. The most frequently reported are: Air Suspension Compressor Overheating and Failure, EGR Cooler Failure and Coolant Leak (TDV6/SDV6), Sunroof and A-Pillar Water Leaks. Of these, 2 are rated critical and should be addressed promptly.
Is the Land Rover Discovery reliable?
The 2015 Land Rover Discovery has 5 known issues documented across 12,900+ owner reports. 2 issues are rated critical: Air Suspension Compressor Overheating and Failure and EGR Cooler Failure and Coolant Leak (TDV6/SDV6). 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, Air Suspension Compressor Overheating and Failure, typically costs $1,000-$3,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2005-2016 Land Rover Discovery Air Suspension Compressor Overheating and Failure?
The LR3/LR4 Discovery uses an air suspension system with a Hitachi compressor that overheats and fails. The compressor is mounted in a location prone to road spray and debris, accelerating corrosion. When air springs leak, the compressor runs continuously until its thermal fuse b… Repairs typically run $1,000-$3,000. Severity: high.
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 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 2005-2016 Land Rover Discovery Terrain Response System Faults and Mode Selection Failure?
The Terrain Response system on the LR3/LR4 develops faults where mode selection fails or the system defaults to General mode only. The rotary selector switch wears out internally, and the shift motor on the transfer case can fail. Corroded connectors at the transfer case are a co… Repairs typically run $300-$1,800. 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.