WenmarOpen by Wenmar Pro

Service bulletins for the 2021 Land Rover Defender

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

514 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
TUCC_AUG2025_402025-09-03. Other. SUSPENSION. There is a noise in the front suspension.
TUCC_AUG2025_372025-09-03. Other. SERVICE BRAKES. 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.
TUCC_AUG2025_332025-09-03. Other. POWER TRAIN. Audible clunk noise from rear driveline during low-speed throttle inputs.
SSM76386 - 29AUG252025-09-03. Other. UNKNOWN OR OTHER. Body and Comfort (HMI) CAN related functions such as window switches or air conditioning may reset or become inoperable every 8-10 minutes while driving.
SSM76376ATT - 04AUG252025-09-03. Other. SUSPENSION. 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.
SSM76376 - 04AUG252025-09-03. Other. SUSPENSION. 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.
SSM76375ATT2 - 04AUG252025-09-03. Other. SERVICE BRAKES. Rear Brake Caliper Piston Dust Boot Distortion Risk
SSM76375ATT1 - 04AUG252025-09-03. Other. SERVICE BRAKES. Rear Brake Caliper Piston Dust Boot Distortion Risk
SSM76375 - 04AUG252025-09-03. Other. SERVICE BRAKES. Rear Brake Caliper Piston Dust Boot Distortion Risk
SSM76375 - 04AUG252025-09-03. Other. SERVICE BRAKES. Rear Brake Caliper Piston Dust Boot Distortion Risk
SSM76324ATT3 - 01AUG252025-09-03. Other. UNKNOWN OR OTHER. Rear Driveline `Clonk` Type Noise
SSM76324ATT2 - 01AUG252025-09-03. Other. UNKNOWN OR OTHER. Rear Driveline `Clonk` Type Noise
SSM76324ATT1 - 01AUG252025-09-03. Other. UNKNOWN OR OTHER. Rear Driveline `Clonk` Type Noise
SSM76324 - 01AUG252025-09-03. Other. UNKNOWN OR OTHER. Rear Driveline `Clonk` Type Noise
TUCC_JUL2025_322025-08-07. Other. ELECTRICAL SYSTEM. Passive Entry doesn't respond intermittently to access car. Have to use key buttons to get in.
TUCC_JUL2025_162025-08-06. Other. ENGINE. The low coolant light may be illuminated/there may be a coolant leak from the engine area.
Defender_N869_20JUN252025-07-08. Other. UNKNOWN OR OTHER. Software Updates
Defender_N815_20JUN252025-07-08. Other. UNKNOWN OR OTHER. Near Field Sensing Module (NFSM) Wired Updates
SSM76326 - 16JUN252025-07-08. Other. STEERING. Squeak Type Noise From Steering Column When Steering Wheel Is Rotated
TUCC_JUN2025_562025-07-07. Other. UNKNOWN OR OTHER. The air conditioner does not blow cold air.
TUCC_JUN2025_492025-07-07. Other. POWER TRAIN. 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.
TUCC_JUN2025_462025-07-06. Other. POWER TRAIN. MIL on Instrument cluster.
TUCC_JUN2025_432025-07-06. Other. ELECTRICAL SYSTEM. The SOTA Campaign number displayed in the software update screen in the vehicle is only updated when a SOTA campaign completes successfully.
TUCC_JUN2025_282025-07-06. Other. POWER TRAIN. TURBOCHARGER COOLANT FEED AND RETURN PIPE O- RING LEAK
JLRTB02133NAS2025-07-06. Service bulletin. STRUCTURE:BODY. Tapping Noise From A-Pillar Area

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.