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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

Bulletins, newest first
SFCC_MAY2020_302020-07-08. Service bulletin. POWER TRAIN. There is a noise from the engine which can vary from a squealing to rattling/bearing noise.
SFCC_MAY2020_312020-07-08. Service bulletin. STEERING; POWER TRAIN. There is a noise when turning or accelerating. There is a judder when turning. The tires jump when turning.
SFCC_MAY2020_332020-07-08. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD. A customer may report that there is a water leak from the windshield area.
NAS20.06.0062020-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Service Actions H291 and N451 Temporarily Suspended
N430NAS22020-07-08. Service bulletin. FUEL SYSTEM, GASOLINE. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range where the evaporative fuel system fails to comply with the regulated standards.
BIG5_JUN_422020-07-07. Service bulletin. POWER TRAIN. EFFECTIVE JUNE 10TH 2020 . N451 AND H291 CAMPAIGNS HAVE BEEN SUSPENDED. IT HAS BEEN DETERMINED THAT THE NEW SOFTWARE IS MISSING CERTAIN PARTS OF THE CALIBRATION WHICH WILL RESULT IN UNSUCCESSFUL DOWNLOADS.
BIG5_JUN_482020-07-07. Service bulletin. POWER TRAIN. Affected vehicles require a software update to the Powertrain Control Module (PCM) to prevent radiator fans running continuously
SSM748112020-05-01. Service bulletin. POWER TRAIN. JLR is investigating 3.0P S/C FEAD idler pulley and S/C tensioner emitting excess noise (NVH)
SSM747992020-05-01. Service bulletin. FUEL SYSTEM, GASOLINE. MIL on when vehicle in driving. DTC P0496-00 indicated EVAP (Evaporative Emission Canister purge) purification flow is too high.
SSM74792_Attach2020-05-01. Service bulletin. STRUCTURE. Retailers are reporting that the accessory side step mat is detached from the board.
SSM747922020-05-01. Service bulletin. STRUCTURE. Retailers are reporting that the accessory side step mat is detached from the board.
SSM747862020-05-01. Service bulletin. ELECTRICAL SYSTEM. When attempting to complete the “Replace ECU” application for the Occupant Classification System Module (OCS) the application fails. The error message ‘The following error was encountered: ’ is displayed to the user.
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.
SFCC_APR20_PG312020-05-01. Service bulletin. ELECTRICAL SYSTEM. Popping sound or crackling noise from the audio system while in use.
SFCC_APR20_PG232020-05-01. Service bulletin. POWER TRAIN. • There is a noise on turns. • There is a judder from the vehicle.
SFCC_APR20_PG192020-05-01. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. The Check Engine Lamp is on and there is a lack of power.
SFCC_APR20_PG92020-05-01. Service bulletin. ELECTRICAL SYSTEM. N422 - Affected vehicles require an update to the Car Config File. Non-Nav vehicles incorrectly built with TSR and Adaptive Speed Limiter. N439 - Affected vehicles require a software update Chassis Control module (CHCM) and DTC read and clear.
N422NAS12020-05-01. Service bulletin. ELECTRICAL SYSTEM. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range where the Traffic Sign Recognition (TSR) system may not operate as expected. TSR and Adaptive Speed Limiter are not supported on these vehicles without Navigation system. To correct this mis-build condition and prevent these features, and Instrument Panel Cluster (IPC) displays, from not functioning correctly, a software update is required to remove the features, including selections in the IPC menus.
JLRTB02012NAS22020-05-01. Service bulletin. SEATS. The heated seat feature may not operate as expected and a customer may express one of the follow concerns: The heated seat temperature is slow to increase after the feature is turned on. The heated seat temperature does not decrease after the feature is turned off.
SFCC_MAR12_352020-04-07. Service bulletin. ELECTRICAL SYSTEM. Customer may report that the heated seats are slow to warm or cool off.
UPS1520-1bNAS12020-04-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. A potential issue has been identified on certain vehicles within the listed Affected Vehicle Range which may experience restricted performance and a 'Gearbox Fault Detected' warning message displayed on the Instrument Panel Cluster (IPC).
JLRTB02030NAS12020-04-07. Service bulletin. ENGINE AND ENGINE COOLING. A loud noise can be heard coming from the engine compartment. Investigation has found that the engine cooling fan is constantly running at high speed and the following Diagnostic Trouble Codes (DTCs) may be stored in the Powertrain Control Module (PCM): • P2B61-73 • P26CB-72
JLRTB02023NAS22020-04-07. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR. The Malfunction Indicator Lamp (MIL) is illuminated on the Instrument Panel Cluster (IPC) with a small loss in performance and reduction in accelerator response.
JLRTB02023NAS12020-04-07. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR. The Malfunction Indicator Lamp (MIL) is illuminated on the Instrument Panel Cluster (IPC) with a small loss in performance and reduction in accelerator response.

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