# Other N811 Letter 23MAY25

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: Other
- NHTSA id: 11019321
- Published by NHTSA: 2025\-06\-06
- Manufacturer's number: N811 Letter 23MAY25
- Manufacturer's date: 2025\-05\-23
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Door Zone Module \- Quiescent Drain

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11019321-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11019321-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2021 to 2022 LAND ROVER DEFENDER
- 2021 to 2022 LAND ROVER DISCOVERY
- 2021 LAND ROVER RANGE ROVER VELAR

## Recalls for the same vehicles and component

- [26V599000](/recalls/nhtsa/26V599000.md), 2026-09-17: ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER
- [26V248000](/recalls/nhtsa/26V248000.md), 2026-04-17: ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER
- [2021381](/recalls/tc/2021381.md), 2021-06-17: Electrical
- [21V457000](/recalls/nhtsa/21V457000.md), 2021-06-17: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
- [21V424000](/recalls/nhtsa/21V424000.md), 2021-06-03: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## Other bulletins for the same vehicles and component

- [N811 Discovery 15MAY26](/bulletins/11033422.md), 2026-06-04, Other: ELECTRICAL SYSTEM. Door Zone Module \- Quiescent Drain
- [N811 Defender 15MAY26](/bulletins/11033398.md), 2026-06-04, Other: ELECTRICAL SYSTEM. Door Zone Module \- Quiescent Drain
- [N811 Discovery 17APR26](/bulletins/11032422.md), 2026-05-07, Other: ELECTRICAL SYSTEM. Door Zone Module \- Quiescent Drain
- [N811 Defender 17APR26](/bulletins/11032421.md), 2026-05-07, Other: ELECTRICAL SYSTEM. Door Zone Module \- Quiescent Drain
- [N869 Range Rover 20MAR26](/bulletins/11031114.md), 2026-04-07, Other: ELECTRICAL SYSTEM. Software Over The Air \(SOTA\) updates are failing to complete.
- [N869 DISCOVERY 20MAR26](/bulletins/11031113.md), 2026-04-07, Other: ELECTRICAL SYSTEM. Software Over The Air \(SOTA\) updates are failing to complete.
- [N811 Defender 20MAR26](/bulletins/11031092.md), 2026-04-07, Other: ELECTRICAL SYSTEM. Door Zone Module \- Quiescent Drain
- [SSM76411 \- 10MAR26](/bulletins/11030751.md), 2026-04-06, Other: ELECTRICAL SYSTEM. Smart Key Deactivated message on instrument cluster and unable to start their vehicle
- [Discovery\_N811 02\-20\-2026](/bulletins/11029849.md), 2026-03-06, Other: ELECTRICAL SYSTEM. Door Zone Module \- Quiescent Drain
- [TUCC\_FEB2026\_35](/bulletins/11029600.md), 2026-03-04, Other: ELECTRICAL SYSTEM. There is a concern with the 48Volt charging system\(DC/DC\) with the vehicle.

JSON: [/v1/bulletins/11019321](/v1/bulletins/11019321)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Other%20N811%20Letter%2023MAY25&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11019321&vehicle=Other%20N811%20Letter%2023MAY25)