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Service bulletin BIG5MAR21_46

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10189974
Published by NHTSA2021-04-06
Manufacturer's numberBIG5MAR21_46
Manufacturer's date2021-03-12
NHTSA componentPOWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE; ENGINE

NHTSA's summary

Engine stumbles, misfires and rough running at idle with a potential MIL illumination.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine, Transmission and driveline, Software

Vehicles listed
LAND ROVER RANGE ROVER2019, 2020, 2021
LAND ROVER RANGE ROVER SPORT2019, 2020, 2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
23V0310002023-01-26. BACK OVER PREVENTION:WARNINGS:EXTERNAL/PEDESTRIAN ALERT; ELECTRICAL SYSTEM:SOFTWARE
20V5850002020-09-24. ELECTRICAL SYSTEM:SOFTWARE; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SFCC_MAR2024_582024-04-05. Service bulletin. Radio presets clear after ignition cycle. Sirius XM favorites do not store.
SFCC_JUN2023_182023-07-10. Service bulletin. SOFTWARE UPDATES
SSM713602022-01-18. Service bulletin. Software Update.
SSM702582022-01-18. Service bulletin. Software Update.
LTB00619NAS12021-12-13. Service bulletin. Technical Bulletin: Unable To Release Valet Mode Upon Correct PIN Entry onwards
SFCC_NOV2021_252021-12-07. Service bulletin. Post 21A Update Apple CarPlay® Navigation Voice Guidance Not Heard
JLRTB02056NAS12020-11-06. Service bulletin. The Malfunction Indicator Lamp (MIL) is illuminated on the Instrument Panel Cluster (IPC)with no other effects on vehicle operation.
SFCC Jul20_262020-08-07. Service bulletin. 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
NAS20.07.0082020-08-06. Service bulletin. A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range where, when the driver selects Dynamic mode, an amber warning light may display on the Instrument Panel Cluster and the message 'Special Modes Not Available' is displayed on the Interactive Control Display Module (ICDM).
NAS20.05.002_22020-07-08. Service bulletin. A potential issue has been identified on a limited number of Land Rover vehicles within the listed Affected Vehicle which require a Powertrain Control Module (PCM) software update.