# Service bulletin 2054599/5

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: 10179444
- Published by NHTSA: 2020\-09\-05
- Manufacturer's number: 2054599/5
- Manufacturer's date: 2020\-08\-14
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

Headlamp operation issues. Customer statement / workshop findings: Headlamp operation issues Technical background: DTCs evident within the left light control unit \(Diagnostic address D6\) and/or the right light control unit \(Diagnostic address D7\) There are numerous static and intermittent DTCs which may be evident within the previously mentioned control units, ensure all steps within the Measure section are strictly adhered to

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10179444-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10179444-9999.pdf)

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

## Components

Lighting

## Vehicles listed

- 2017 to 2018 BENTLEY BENTAYGA
- 2020 to 2021 BENTLEY BENTAYGA
- 2018 to 2020 BENTLEY CONTINENTAL GT
- 2018 to 2021 BENTLEY CONTINENTAL GT CABRIO
- 2020 BENTLEY FLYING SPUR

## Other bulletins for the same vehicles and component

- [2080097/2](/bulletins/11035288.md), 2026-07-29, Service bulletin: ENGINE; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY. Service info: Conversion of imported vehicles. Technical background: Conversion of a vehicle for use in a market other than the one for which it was originally designed or intended is not supported. Enquiries related to conversions or retrofits of vehicles from \(or to\) other markets \(e.g. reimport from USA or UK\) are not supported by Technical Support. Vehicles are developed and constructed according to specific market requirements of the respective destination country. As the compatibility of different components \(e.g. control units\) cannot be defined comprehensively regarding their mutual dependence and interaction in the case of modifications, and in order to prevent danger or risks due to constructional changes, support or advice regarding these modifications cannot be provided.
- [2074992/3](/bulletins/11033664.md), 2026-06-05, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY. Flying B mascot clear wings replacement procedure. Customer statement / workshop findings: One or both of the Flying B mascot clear wings are missing
- [2066480/9](/bulletins/11033256.md), 2026-06-03, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlamp switch not working / not illuminated \- Numerous DTC's within 0009\-Central Electrics \(BCM1\) Customer statement: • Headlamp switch not working / not illuminated when the ignition is switched on \(following an ignition switch off\) And/or • Yellow warning light/message within DIP \(Adaptive lighting fault\) And / or • Loss of rear fog light activation And / or • Loss of all\-weather lighting mode activation And / or • Headlamps will default to dipped beam \(however, high beam activation will still be possible manually\)
- [2071933/4](/bulletins/11030707.md), 2026-04-05, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlamp Control Unit Replacement \| Bentayga and Flying Spur \| 20,21,22,24,25,26MY. Customer statement / workshop findings: Headlamp low beam / high beam malfunction / operational issues \(Inner lamp\) Or Daytime running light malfunction / operational issues \(Inner lamp\) Or Turn signal malfunction / operational issues \(Outer lamp\)
- [2058354/7](/bulletins/11029618.md), 2026-03-05, Service bulletin: STRUCTURE:BODY; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. New Flying Spur \- Flying "B" Mascot. Condition: This Technical Product Information \(TPI\) Document is designed to give repair guidance and standardised fault reporting for Flying “B” functionality, poor finish and damage concerns.
- [2050542/8](/bulletins/11020458.md), 2025-07-08, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING; VISIBILITY/WIPER. Front Exterior Lighting Steamed Up/Leaks \| 12\-24MY.
- [2071933/3](/bulletins/11020250.md), 2025-07-07, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlamp Control Unit Replacement \| Bentayga and Flying Spur \| 20,21,22,24MY. Condition: Headlamp low beam / high beam malfunction / operational issues \(Inner lamp\) Or Daytime running light malfunction / operational issues \(Inner lamp\) Or Turn signal malfunction / operational issues \(Outer lamp\).
- [2071933/2](/bulletins/11020185.md), 2025-07-04, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlamp Control Unit Replacement \| Bentayga and Flying Spur \| 20,21,22,24MY. Condition Headlamp low beam / high beam malfunction / operational issues \(Inner lamp\) Or Daytime running light malfunction / operational issues \(Inner lamp\) Or Turn signal malfunction / operational issues \(Outer lamp\).
- [2066480/8](/bulletins/11012455.md), 2025-01-07, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Headlamp switch not working / not illuminated \- Numerous DTC's within 0009\-Central Electrics \(BCM1\). Customer statement: • Headlamp switch not working / not illuminated when the ignition is switched on \(following an ignition switch off\) And/or • Yellow warning light/message within DIP \(Adaptive lighting fault\) And / or • Loss of rear fog light activation And / or • Loss of all\-weather lighting mode activation And / or • Headlamps will default to dipped beam \(however, high beam activation will still be possible manually\)
- [2074992/2](/bulletins/11008395.md), 2024-10-04, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY; EXTERIOR LIGHTING. Flying B mascot clear wings replacement procedure. Customer statement / workshop findings: One or both of the Flying B mascot clear wings are missing.

JSON: [/v1/bulletins/10179444](/v1/bulletins/10179444)

[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%202054599%2F5&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10179444&vehicle=Service%20bulletin%202054599%2F5)
