2021 Land Rover Defender Technical Service Bulletins

514 technical service bulletins (TSBs) are on record for the 2021 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.

• 11022571Aug 15, 2025Other 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.
• 11022476Aug 15, 2025Suspension. There is a noise in the front suspension.
• 11022472Aug 15, 2025Brakes. When pushing the rear brake caliper pistons back during a brake service, the caliper piston dust boot may become twisted or distorted if a twist method is used to retract the piston.
• 11022471Aug 15, 2025Transmission and drivetrain. Audible clunk noise from rear driveline during low-speed throttle inputs.
• 11022427Aug 4, 2025Suspension. A number of warranty return front lower control arms where the ball joint shows signs of damage due to over-articulation of the arm during removal and installation.
• 11022425Aug 4, 2025Suspension. A number of warranty return front lower control arms where the ball joint shows signs of damage due to over-articulation of the arm during removal and installation.
• 11022424Aug 4, 2025Brakes. Rear Brake Caliper Piston Dust Boot Distortion Risk
• 11022423Aug 4, 2025Brakes. Rear Brake Caliper Piston Dust Boot Distortion Risk
• 11022421Aug 4, 2025Brakes. Rear Brake Caliper Piston Dust Boot Distortion Risk
• 11022420Aug 4, 2025Brakes. Rear Brake Caliper Piston Dust Boot Distortion Risk
• 11022415Aug 1, 2025Other or unknown. Rear Driveline `Clonk` Type Noise
• 11022414Aug 1, 2025Other or unknown. Rear Driveline `Clonk` Type Noise
• 11022412Aug 1, 2025Other or unknown. Rear Driveline `Clonk` Type Noise
• 11022411Aug 1, 2025Other or unknown. Rear Driveline `Clonk` Type Noise
• 11021652Jul 12, 2025Electrical system. Passive Entry doesn't respond intermittently to access car. Have to use key buttons to get in.
• 11021642Jul 11, 2025Engine. The low coolant light may be illuminated/there may be a coolant leak from the engine area.
• 11020328Jun 20, 2025Other or unknown. Software Updates
• 11020307Jun 20, 2025Other or unknown. Near Field Sensing Module (NFSM) Wired Updates
• 11020289Jun 17, 2025Steering. Squeak Type Noise From Steering Column When Steering Wheel Is Rotated
• 11020213Jun 14, 2025Other or unknown. The air conditioner does not blow cold air.
• 11020212Jun 13, 2025Transmission and drivetrain. Customer reports of 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.
• 11020209Jun 13, 2025Transmission and drivetrain. MIL on Instrument cluster.
• 11020207Jun 13, 2025Electrical system. The SOTA Campaign number displayed in the software update screen in the vehicle is only updated when a SOTA campaign completes successfully.
• 11020204Jun 13, 2025Transmission and drivetrain. Turbocharger coolant feed and return pipe o- ring leak
• 11020198Jun 12, 2025Body and structure. Tapping Noise From A-Pillar Area
• 11020199Jun 11, 2025Body and structure. Tapping Noise From A-Pillar Area
• 11019192Jun 5, 2025Electrical system. Door Zone Module - Quiescent Drain
• 11019321May 23, 2025Electrical system. Door Zone Module - Quiescent Drain
• 11019092May 21, 2025Other or unknown. JLR Engineering investigations have identified reports of the Heating Ventilation and Air Conditioning(HVAC) evaporator sensor not operating as expected
• 11019087May 21, 2025Other or unknown. JLR Engineering investigations have found customer reports of 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.
• 11019086May 21, 2025Other or unknown. JLR Engineering investigations have found customer reports of 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.
• 11019084May 21, 2025Other or unknown. JLR Engineering investigations have found customer reports of 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.
• 11019082May 21, 2025Other or unknown. JLR Engineering investigations have found customer reports of 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.
• 11019213May 16, 2025Other or unknown. Software Updates
• 11019197May 16, 2025Other or unknown. Near Field Sensing Module (NFSM) Wired Updates
• 11019143May 16, 2025Other or unknown. Clear sota persistency
• 11019323May 12, 2025Other or unknown. Software Updates
• 11018311May 9, 2025Transmission and drivetrain. Vehicle cranks, but does not run when at operating temperature
• 11018303May 9, 2025Other or unknown. A potential concern has been identified on certain vehicles, where 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. A replacement of the transfer case control module (TCCM) and hydraulic pump is required.
• 11018301May 9, 2025Other or unknown. Autofred approval – cosmetic defect on idma and icdm
• 11019322May 7, 2025Other or unknown. - Near Field Sensing Module (NFSM) Wired Updates
• 11018314May 6, 2025Other or unknown. A potential concern has been identified on certain 2022 model year to 2025 model year Range Rover, 2023 model year to 2025 model year Range Rover Sport and 2021 model year to 2025 model year Defender and Discovery vehicles where 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…
• 11017777Apr 30, 2025Other or unknown. Door zone module - quiescent drain
• 11017768Apr 28, 2025Engine. Engine Will Crank, No Start When At Operating Temperature
• 11017767Apr 28, 2025Engine. Engine Will Crank, No Start When At Operating Temperature
• 11017739Apr 28, 2025Other or unknown. Near Field Sensing Module (NFSM) Wired Updates
• 11017942Apr 18, 2025Other or unknown. A concern has been identified where certain vehicles are failing to complete Software Over The Air (SOTA) updates, specifically Vehicle Domain Controller (VDC) PIVI and Gateway Module A (GWM). These vehicles have now been stopped from further SOTA attempts and require a wired intervention. A software update to the TCU and GWM is required
• 11017926Apr 18, 2025Other or unknown. Near Field Sensing Module (NFSM) Wired Updates
• 11017920Apr 18, 2025Electrical system. Door Zone Module - Quiescent Drain
• 11017914Apr 18, 2025Other or unknown. Clear SOTA Persistency

← All problems reported for the 2021 Land Rover Defender