2025 Land Rover Defender Technical Service Bulletins

190 technical service bulletins (TSBs) are on record for the 2025 Land Rover Defender. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11038293Sep 25, 2026Body and structure. Accessory Wheel Arch Protection - Gaps Present Between Protection And Vehicle Body
• 11038305Sep 18, 2026Other or unknown. Jump Start Information Label Missing
• 11037116Aug 22, 2026Electrical system. Vehicles on display e.g. in a showroom whilst being supported by a showroom 12v support unit, these vehicles require an additional fuse to be removed to prevent the MHEV (48v) battery draining and causing the cells to drop to a non recoverable level. Failure to follow this process will void the warranty cover on this battery.
• 11037130Aug 21, 2026Other or unknown. Jump Start Information Label Missing
• 11037119Aug 21, 2026Other or unknown. TCU Activation Failure And InControl App Inoperative After Software Update
• 11037117Aug 21, 2026Other or unknown. Air Conditioning Inoperative / Intermittent Operation
• 11037115Aug 20, 2026Electrical system. Vehicles on display e.g. in a showroom whilst being supported by a showroom 12v support unit, these vehicles require an additional fuse to be removed to prevent the MHEV (48v) battery draining and causing the cells to drop to a non recoverable level. Failure to follow this process will void the warranty cover on this battery.
• 11035735Jul 22, 2026Other or unknown. Intermittent Passive Entry Operation 24MY Or With New Service Smart Key Fob.
• 11035882Jul 17, 2026Other or unknown. Blanking Connector - Install
• 11035859Jul 17, 2026Other or unknown. Jump Start Information Label Missing
• 11035677Jul 8, 2026Other or unknown. A printed circuit board fault within the smart key may be present. The printed circuit board fault can cause a smart key battery drain which affects the functionality of the smart key.
• 11035730Jul 7, 2026Other or unknown. Wireless Device Charger Inoperative Post Software Update
• 11035679Jul 6, 2026Other or unknown. A low-speed ‘clonk’ type noise from the rear driveline, audible during low speed throttle inputs, often coupled with up/down gear changes. The noise is audible during normal road driving conditions.
• 11035732Jul 4, 2026Other or unknown. Unable to select Navigation when pressing the navigation Tile on theTouchscreen.
• 11034860Jun 22, 2026Other or unknown. Software Update
• 11034943Jun 16, 2026Other or unknown. A junction box blanking connector is missing.
• 11034873Jun 16, 2026Other or unknown. Jump Start Information Label Missing
• 11033270May 26, 2026Transmission and drivetrain. Amber MIL being displayed on the Instrument Panel Cluster on vehicles equipped with a Gen4 transmission.
• 11033267May 21, 2026Transmission and drivetrain. Amber MIL being displayed on the Instrument Panel Cluster on vehicles equipped with a Gen4 transmission.
• 11033437May 16, 2026Other or unknown. Junction box blanking connector is missing. A new blanking connector needs to be installed.
• 11033285May 15, 2026Other or unknown. Jump start information label has not been installed in the vehicle’s engine compartment.
• 11033277May 15, 2026Other or unknown. 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.
• 11033205May 15, 2026Other or unknown. Printed circuit board fault within the smart key may be present. The printed circuit board fault can cause a smart key battery drain which affects the functionality of the smart key.
• 11033264May 12, 2026Transmission and drivetrain. Malfunction Indicator Lamp (MIL) is illuminated on the instrument panel.
• 11033261May 12, 2026Other or unknown. Vehicles may exhibit a ‘clicking’ noise from the rear of the vehicle. The noise may be heard from one or both sides of the vehicle when moving forwards or backwards. Action:
• 11033241May 1, 2026Engine. Arduous customer drive cycles have been found to accelerate the degradation of engine oil, leading to generation of engine oil sludge deposits in high pressure engine oil galleries of the engine and inside the Continuous Variable Valve Lift (CVVL) unit.
• 11032360Apr 23, 2026Electrical system. Where vehicles are supported by a 12V Battery Support Unit (BSU) and repeatedly interacted with while the engine is not running, the 48V battery may, in the absence of intervention, discharge to a non‑recoverable state.
• 11032359Apr 21, 2026Other or unknown. Air Conditioning (AC) Inoperative.
• 11032434Apr 17, 2026Other or unknown. Junction box blanking connector is missing.
• 11032399Apr 17, 2026Other or unknown. The jump start information label has not been installed in the vehicle’s engine compartment
• 11032373Apr 17, 2026Other or unknown. 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.
• 11032372Apr 17, 2026Other or unknown. Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU hose and heatshield. Rubbing of the APMU hose on the heatshield could create pressure loss and / or fluid leak on 6Ddynamic suspension system over a period of time.
• 11031121Mar 20, 2026Other or unknown. Junction box blanking connector is missing.
• 11031076Mar 20, 2026Other or unknown. The jump start information label has not been installed in the vehicle’s engine compartment.
• 11031070Mar 20, 2026Other or unknown. The transfer case clutch and / or All Wheel Drive (AWD) lock cannot perform as designed.
• 11031069Mar 20, 2026Other or unknown. The Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU hose and heatshield.
• 11030743Mar 18, 2026Other or unknown. Wireless Charger - Charging Interruption With iPhone 15 and 16 Devices
• 11030968Mar 13, 2026Suspension. Rear driveline click - noise
• 11030967Mar 13, 2026Suspension. Rear driveline click - noise
• 11030964Mar 13, 2026Other or unknown. While driving with satellite maps, sometimes image doesn't load fully and then comes back
• 11030963Mar 13, 2026Other or unknown. Incontrol remote app wake up timer
• 11030962Mar 13, 2026Other or unknown. There are several scenarios where the key may be set to a deactivated state.
• 11030751Mar 10, 2026Electrical system. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
• 11029854Feb 20, 2026Other or unknown. A junction box blanking connector is missing.
• 11029847Feb 20, 2026Other or unknown. The jump start information label has not been installed in the vehicle’s engine compartment.
• 11029843Feb 20, 2026Other or unknown. 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.
• 11029842Feb 20, 2026Other or unknown. The Automatic Pressure Maintenance Unit (APMU) may have been installed with a clash condition between the APMU hose and heatshield. Rubbing of the APMU hose on the heatshield could create pressure loss and / or fluid leak on 6Ddynamic suspension system over a period of time.
• 11029609Feb 18, 2026Other or unknown. Driveline Noise Concerns
• 11029603Feb 13, 2026Steering. Steering requires steady correction force
• 11029600Feb 13, 2026Electrical system. There is a concern with the 48Volt charging system(DC/DC) with the vehicle.

← All problems reported for the 2025 Land Rover Defender