# 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.

- Type: Service bulletin
- NHTSA id: 10189974
- Published by NHTSA: 2021\-04\-06
- Manufacturer's number: BIG5MAR21\_46
- Manufacturer's date: 2021\-03\-12
- NHTSA component: POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE; ENGINE

## NHTSA's summary

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

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189974-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189974-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Transmission and driveline, Software

## Vehicles listed

- 2019 to 2021 LAND ROVER RANGE ROVER
- 2019 to 2021 LAND ROVER RANGE ROVER SPORT

## Recalls for the same vehicles and component

- [23V031000](/recalls/nhtsa/23V031000.md), 2023-01-26: BACK OVER PREVENTION:WARNINGS:EXTERNAL/PEDESTRIAN ALERT; ELECTRICAL SYSTEM:SOFTWARE
- [20V585000](/recalls/nhtsa/20V585000.md), 2020-09-24: ELECTRICAL SYSTEM:SOFTWARE; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

## Other bulletins for the same vehicles and component

- [SFCC\_MAR2024\_58](/bulletins/10252758.md), 2024-04-05, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. Radio presets clear after ignition cycle. Sirius XM favorites do not store.
- [SFCC\_JUN2023\_18](/bulletins/10239011.md), 2023-07-10, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. SOFTWARE UPDATES
- [SSM71360](/bulletins/10206635.md), 2022-01-18, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Software Update.
- [SSM70258](/bulletins/10206633.md), 2022-01-18, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Software Update.
- [LTB00619NAS1](/bulletins/10204785.md), 2021-12-13, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Technical Bulletin: Unable To Release Valet Mode Upon Correct PIN Entry onwards
- [SFCC\_NOV2021\_25](/bulletins/10204122.md), 2021-12-07, Service bulletin: EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). Post 21A Update Apple CarPlay® Navigation Voice Guidance Not Heard
- [JLRTB02056NAS1](/bulletins/10182150.md), 2020-11-06, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. The Malfunction Indicator Lamp \(MIL\) is illuminated on the Instrument Panel Cluster \(IPC\)with no other effects on vehicle operation.
- [SFCC Jul20\_26](/bulletins/10178159.md), 2020-08-07, 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
- [NAS20.07.008](/bulletins/10178064.md), 2020-08-06, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE. 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\_2](/bulletins/10177146.md), 2020-07-08, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. 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.

JSON: [/v1/bulletins/10189974](/v1/bulletins/10189974)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20BIG5MAR21_46&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10189974&vehicle=Service%20bulletin%20BIG5MAR21_46)