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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 component: Electrical system are shown. Show all

Bulletins, newest first
SFCC_SEP2024_252024-10-07. Other. ELECTRICAL SYSTEM. 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
N869 V12024-10-04. Service bulletin. ELECTRICAL SYSTEM. Software Updates
N796 - 06SEP242024-10-04. Service bulletin. ELECTRICAL SYSTEM. Software Updates
SSM761732024-09-06. Other. ELECTRICAL SYSTEM. MHEV DCDC internal failure with warning message
SFCC_JUL2024_302024-08-07. Other. ELECTRICAL SYSTEM. PIVI SOTA - FAULT DIAGNOS IS AND RESOLUTION
N811 DEFENDER2024-07-08. Other. ELECTRICAL SYSTEM. Door Zone Module - Quiescent Drain
N796 DEFENDER2024-07-08. Other. ELECTRICAL SYSTEM. SOFTWARE UPDATES
N811-DEFENDER2024-06-07. Other. ELECTRICAL SYSTEM. A potential concern has been identified where customer could be left with a nonfunctioning vehicle as a result of a depleted battery State of Charge due to the door modules staying awake. Retailers will perform a software update to all door modules.
S014SOTA4.1.1v32024-01-09. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM; SERVICE BRAKES, AIR:ANTILOCK; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Enhancements to the following systems: Wireless Device Charger, High Voltage (HV) Battery Charge Control, Sound System, ABS (Anti-Lock Braking System), Belt Integrated Starter PHEVs, Rear Camera for cars without 360 view.
SFCC_NOV2023_302023-12-07. Service bulletin. ELECTRICAL SYSTEM. Startup battery keeps draining / Vehicle will not start
SFCC_OCT2023_372023-11-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Customer states the weather app is no longer available
SSM758692023-10-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING. Coolant Low Warning Message Displayed On The Instrument Panel Cluster
SSM758142023-10-06. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. Weather and Park & Pay Apps disappear after PIVI update
WACCSEP23_62023-10-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. Battery low warning displayed on instrument cluster and/or no-start
SFCC_SEP2023_152023-10-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. A potential concern has been identified where customer could be left with a nonfunctioning vehicle as a result of a depleted battery State of Charge due to the door modules staying awake.
SSM759392023-09-08. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; EQUIPMENT; ELECTRICAL SYSTEM. PDC Park distance control no volume
SSM758692023-09-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Coolant Low Warning Message Displayed On The Instrument Panel Cluster
S010SOTA4.0.0V32023-08-03. Service bulletin. ELECTRICAL SYSTEM. Redeveloped profiles. Navigation & phone new functionality & improvements. Enhanced High Voltage battery health monitoring/management for I-Pace. HCM bug fixes. SODs refinements.
SFCC_JUL2023_282023-08-02. Service bulletin. ELECTRICAL SYSTEM. PIVI IP 36 , BECM OS 4.0.0
BIG5JUL23_282023-08-02. Service bulletin. ELECTRICAL SYSTEM. A concern has been identified where certain vehicles are failing to complete existing Software Over The Air (SOTA) updates for the Vehicle Domain Controller (VDC) and PIVI.
SSM760222023-07-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; COMMUNICATION:MANUFACTURER TELEMATICS. JLR is investigating reports of vehicles being released to customers without the TCU Telematic Control Unit SOS Emergency Call being activated.
N7962023-07-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. Vehicles are failing to complete Software Over The Air SOTA updates, specifically Vehicle Domain Controller VDC PIVI and Gateway Module A GWM.
N7952023-07-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Vehicles are failing to complete Software Over The Air SOTA updates, specifically Vehicle Domain Controller VDC and PIVI.
SFCC_JUN2023_172023-07-10. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. SOFTWARE UPDATES
SFCC_APR2023_322023-05-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Customer reports of 12V battery issues. These range from battery low warning displayed to no-start.

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