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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Only bulletins with type: Other are shown. Show all

Bulletins, newest first
SSM76493 - 25SEP262026-10-07. Other. STRUCTURE:BODY. Accessory Wheel Arch Protection - Gaps Present Between Protection And Vehicle Body
SSM76492 - 20AUG262026-09-08. Other. UNKNOWN OR OTHER. TCU Activation Failure And InControl App Inoperative After Software Update
SSM76487 - 20AUG262026-09-08. Other. UNKNOWN OR OTHER. Air Conditioning Inoperative / Intermittent Operation
N869 Defender 16JUN262026-07-08. Other. UNKNOWN OR OTHER. Software Over The Air (SOTA) updates are failing to complete. 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.
N869 Defender 15MAY262026-06-04. Other. UNKNOWN OR OTHER. Software Over The Air (SOTA) updates are failing to complete. 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.
N811 Defender 15MAY262026-06-04. Other. ELECTRICAL SYSTEM. Door Zone Module - Quiescent Drain
N869 Defender 17APR262026-05-07. Other. UNKNOWN OR OTHER. Software Over The Air (SOTA) updates are failing to complete
N811 Defender 17APR262026-05-07. Other. ELECTRICAL SYSTEM. Door Zone Module - Quiescent Drain
N811 Defender 20MAR262026-04-07. Other. ELECTRICAL SYSTEM. Door Zone Module - Quiescent Drain
TUCC_MAR2026_282026-04-07. Other. UNKNOWN OR OTHER. While driving with satellite maps, sometimes image doesn't load fully and then comes back
TUCC_MAR2026_272026-04-07. Other. UNKNOWN OR OTHER. INCONTROL REMOTE APP WAKE UP TIMER
TUCC_MAR2026_262026-04-07. Other. UNKNOWN OR OTHER. There are several scenarios where the key may be set to a deactivated state.
SSM76411 - 10MAR262026-04-06. Other. ELECTRICAL SYSTEM. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
SSM000028 - 18MAR262026-04-06. Other. UNKNOWN OR OTHER. Wireless Charger - Charging Interruption With iPhone 15 and 16 Devices
Defender_N869 02-20-20262026-03-06. Other. UNKNOWN OR OTHER. Software Over The Air (SOTA) updates are failing to complete. 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.
Defender_N811 02-20-20262026-03-06. Other. ENGINE. Door Zone Module - Quiescent Drain
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)
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.

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