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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_FEB2026_422026-03-04. Other. STEERING. STEERING REQUIRES STEADY CORRECTION FORCE
TUCC_FEB2026_352026-03-04. Other. ELECTRICAL SYSTEM. There is a concern with the 48Volt charging system(DC/DC) with the vehicle.
TUCC_FEB2026_342026-03-04. Other. ELECTRICAL SYSTEM. There is a concern/fault with the 48Volt MHEV system.
TUCC_FEB2026_332026-03-04. Other. ELECTRICAL SYSTEM. 12V STARTUP BATTERY FLAT - MILD HYBRID ELECTRIC VEHICLE (MHEV)
252602.027 - 12FEB262026-03-04. Service bulletin. ELECTRICAL SYSTEM. Once the vehicle is powered down via ignition cycle, it may not restart depending on remaining residual charge.
SSM000021-27JAN262026-02-06. Other. STEERING. Vehicle Requires Steady Correction Steering Force to Remain in Lane
TUCC_JAN2026_262026-02-06. Other. UNKNOWN OR OTHER. After vehicle off, the fan continues to run at high speeds.
TUCC_JAN2026_252026-02-06. Other. ELECTRICAL SYSTEM. There is a concern with the 48Volt charging system(DC/DC) with the vehicle.
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 RESCINDED - Rear Doors Difficult To Open - RESCINDED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_N811_17OCT252025-10-24. Other. ELECTRICAL SYSTEM. Door Zone Module - Quiescent Drain
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_N811_18AUG252025-09-04. Other. UNKNOWN OR OTHER. Door Zone Module - Quiescent Drain
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.

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