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Service bulletins for the 2023 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.

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

By type

By component

Bulletins, newest first
TUCC_JAN2026_202026-02-06. Other. UNKNOWN OR OTHER. PIVI WIRELESS CARPLAY / ANDROID AUTO CONNECTIVITY
SSM000013-18DEC252026-01-09. Other. UNKNOWN OR OTHER. PIVI - Unable to log into InControl account in vehicle
SSM000017-19DEC252026-01-09. Other. ENGINE. Coolant fan may continue running at high speed after ignition shut-off
SSM76397-10DEC252026-01-08. Other. UNKNOWN OR OTHER. Unable to Log into InControl Account in Vehicle.
JLRTB02052NAS6-RESCINDED2026-01-08. Service bulletin. UNKNOWN OR OTHER. RESCINDED - Rear Doors Difficult To Open - RESCINDED
TUCC_DEC2025_392026-01-08. Other. ELECTRICAL SYSTEM. A battery warning light on and or electrical system failure message is displayed on instrument cluster.
TUCC_DEC2025_352026-01-08. Other. UNKNOWN OR OTHER. Vehicles may exhibit PIVI Login concerns even with InControl Remote functions operating.
TUCC_DEC2025_342026-01-08. Other. UNKNOWN OR OTHER. PASSIVE ENTRY INTERMITTENT OPERATION
TUCC_DEC2025_322026-01-08. Other. UNKNOWN OR OTHER. BODY / HMI CAN FUNCTIONS RESET EVERY 8-10 MINUTES
Defender_N869_17OCT252025-10-31. Other. UNKNOWN OR OTHER. Software Updates
Defender_N815_17OCT252025-10-24. Other. UNKNOWN OR OTHER. Near Field Sensing Module (NFSM) Wired Updates
Defender_D011_17OCT252025-10-24. Other. ENGINE. Coolant Bypass Hose Leak
Defender_D006_17OCT252025-10-24. Other. UNKNOWN OR OTHER. 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.
Defender_N869_18AUG252025-09-04. Other. UNKNOWN OR OTHER. Software Over The Air (SOTA) updates are failing to complete. These vehicles have now been stopped from further SOTA attempts and require a wired intervention.
Defender_N815_18AUG252025-09-04. Other. UNKNOWN OR OTHER. Near Field Sensing Module (NFSM) Wired Updates
Defender_D011_18AUG252025-09-04. Other. UNKNOWN OR OTHER. Coolant Bypass Hose Leak
Defender_D006_18AUG252025-09-04. Other. UNKNOWN OR OTHER. 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.
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.
TUCC_AUG2025_322025-09-03. Other. POWER TRAIN. Oil leaks from the transfer case area of the vehicle.
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

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