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Service bulletins for the 2020 Land Rover Discovery

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.

499 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
SSM76411 - 10MAR262026-04-06. Other. ELECTRICAL SYSTEM. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
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.
TUCC_JAN2026_252026-02-06. Other. ELECTRICAL SYSTEM. There is a concern with the 48Volt charging system(DC/DC) with the vehicle.
TUCC_DEC2025_392026-01-08. Other. ELECTRICAL SYSTEM. A battery warning light on and or electrical system failure message is displayed on instrument cluster.
Discovery_N861_20JUN252025-07-08. Other. ELECTRICAL SYSTEM. Mild Hybrid Electric Vehicle (MHEV) Battery Offline
TUCC_APR2025_182025-05-05. Other. ELECTRICAL SYSTEM. Leaking windshield that caused the water ingress on the electrical component.
SFCC_MAR2025_452025-04-07. Other. ELECTRICAL SYSTEM. 'Stop Safely Electrical Fault Detected' warning message displayed in the message center.
SSM762802025-03-07. Other. ELECTRICAL SYSTEM. JLR Engineering investigations have identified that customers are experiencing a red 'Stop Safely Electrical Fault Detected' warning message displayed in the message center, due to the 12V system not providing the correct electrical support.
SSM761732024-09-06. Other. ELECTRICAL SYSTEM. MHEV DCDC internal failure with warning message
SFCC_AUG2024_242024-09-06. Other. ELECTRICAL SYSTEM. concern has been identified on certain JLR vehicles, where the Body Control Module (BCM) does not fully meet US importation requirements. The requires BCM replacement with a new component which fully meets the US importation requirements.
SFCC_DEC2023_322024-01-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Due to time required to complete in shop vehicle set up and workflow for Audio loss, it has been found that workflow may provide false result if IMC is not in a faulted state when workflow is run to identify potential Polar Switch Firmware fault.
SFCC_NOV2023_302023-12-07. Service bulletin. ELECTRICAL SYSTEM. Startup battery keeps draining / Vehicle will not start
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
SSM758692023-09-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Coolant Low Warning Message Displayed On The Instrument Panel Cluster
SFCC_JUL2023_312023-08-02. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. Battery low warning displayed on instrument cluster and/or no-start.
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.
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.
SFCC_FEB2023_172023-03-07. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Malfunction Indicator Lamp MIL may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
N7472023-02-07. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp MIL may illuminate if the vehicle is refueled within 15 seconds of turning the engine off.
SFCC_OCT2022_312022-11-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. MHEV DC/DC Converter – Squeaking noise from Cabin
SSM758552022-10-07. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. UNABLE TO COMPLETE PDI DUE TO TELEMATICS INCONTROL ACTIVATION FAILING

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