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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: Equipment and accessories are shown. Show all

Bulletins, newest first
SFCC Jul20_262020-08-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. 20B Software Delay until July 15th Software was delayed to include software fix for L551 APIX cable issue Audio popping noise iOS13 Bluetooth improvements Additional improvements
SSM749682020-08-07. Service bulletin. EQUIPMENT; POWER TRAIN; POWER TRAIN:DRIVELINE. Range Rover (L405), Range Rover Sport (L494), Discovery (L462), V8 S/C 5.0L PETROL and V8 N/A 5.0L PETROL Electronic Locking Rear Differentials - Noisy
Big 5_06JUL20_362020-08-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. The battery cable ground stud may be loose in the body and needs to be replaced. Insufficient ground contact may lead to intermittent operation of electrical equipment.
NAS20.06.004_22020-08-07. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. An issue has been identified on a limited number of Land Rover vehicles within the listed Affected Vehicle Range which may experience excessive engine cooling fan noise in the passenger compartment and eventual degradation of the engine cooling system performance.
NAS20.04.006_22020-08-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. A potential issue has been identified on certain vehicles within the listed Affected Vehicle Range may experience intermittent operation of electrical equipment due to insufficient ground contact.
N400NAS32020-08-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range may experience intermittent operation of electrical equipment due to insufficient ground contact.
NAS20.07.0032020-08-06. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT. Warranty Claims Guidelines for Windshield Water Ingress
SFCC_MAY2020_332020-07-08. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD. A customer may report that there is a water leak from the windshield area.
SSM747792020-05-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. JLR is investigating reports of Customers experiencing no audio available from the radio feature (FM, AM & DAB), specifically relating to reports of the touchscreen displaying “Radio not available” from vehicle start-up and continues for the entire drive.
SFCC_APR20_PG332020-05-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. No airflow from the HVAC system.
SSM74732Att32020-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop ground, high ground point resistance and power supply. An intermittent start may be reported.
SSM74732Att22020-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop ground, high ground point resistance and power supply. An intermittent start may be reported.
SSM74732Att12020-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop ground, high ground point resistance and power supply. An intermittent start may be reported.
SSM747322020-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Due to insufficient ground contact at G4D178 Battery earth stud, various fault codes may appear and symptoms related to voltage drop ground, high ground point resistance and power supply. An intermittent start may be reported.
SFCC_FEB20_342020-03-06. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. XM radio is inop.
SFCC_FEB20_332020-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. The vehicle will not start.
SFCC_FEB20_142020-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Existing handbooks state incorrect battery and or vehicle warranty coverages.
NAS20.02.0022020-03-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range where the warranty period for certain items in the Owner's Handbook may be incorrect. The 12V startup battery warranty period for all listed vehicle lines and the bumper-to-bumper warranty period for Discovery and Range Rover Velar (only) may not contain the correct details. The correct warranty period is 4 years or 50,000 miles (whichever occurs first) for both items.
SFCC_JAN20_222020-02-07. Service bulletin. EQUIPMENT:ELECTRICAL. Popping sound or crackling noise from the audio system while in use.
SFCC_JAN20_112020-02-07. Service bulletin. EQUIPMENT. Remove existing handbook and replace with latest version. Complete at PDI , prior to delivery or at next service visit for sold cars.
RCTR_29JAN20_212020-02-07. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; POWER TRAIN. The Check Engine MIL is on.
RCTR_29JAN20_132020-02-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Intermittent no start; Intermittent Battery Ground Connection
JLRTB02015NAS12020-02-06. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. When activating the max defrost setting from an OFF condition on the climate control, an abnormal "hooting" type sound may be heard from the instrument panel.
SFCC_NOV19_412019-12-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. There is no air flow from the HVAC system.
SFCC_NOV19_382019-12-07. Service bulletin. EQUIPMENT:ELECTRICAL. Customer states there is no audio output from the speakers on all sources.

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