# Service bulletin 2078190/6

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: 11033377
- Published by NHTSA: 2026\-06\-03
- Manufacturer's number: 2078190/6
- Manufacturer's date: 2026\-05\-18
- NHTSA component: ELECTRICAL SYSTEM; VISIBILITY/WIPER

## NHTSA's summary

AC System not Cooling \- HVAC Leakage. Customer Statement: The customer may find that the A/C system not blowing cold air and / or Cooling performance has declined over time.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033377-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033377-9999.pdf)

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

## Components

Electrical system, Glass, wipers and mirrors, Wipers and washers

## Vehicles listed

- 2017 to 2023 BENTLEY BENTAYGA
- 2025 to 2026 BENTLEY BENTAYGA
- 2018 to 2026 BENTLEY CONTINENTAL GT
- 2019 to 2026 BENTLEY CONTINENTAL GT CABRIO
- 2020 to 2026 BENTLEY FLYING SPUR
- 2024 BENTLEY redundant BENTAYGA

## Other bulletins for the same vehicles and component

- [2080951/2](/bulletins/11038365.md), 2026-10-08, Service bulletin: VISIBILITY/WIPER; ELECTRICAL SYSTEM. Temperature Pop‑Up No Longer Displayed in the MMI Display \| Continental GT/GTC /Flying Spur. Customer Statement: Customers may report that the temperature popup no longer appears in the MMI display when adjusting the cabin temperature via the Wellbeing App or rotary dial.
- [2080872/3](/bulletins/11037174.md), 2026-09-09, Service bulletin: VISIBILITY/WIPER; STRUCTURE:BODY; ELECTRICAL SYSTEM. HVAC Auto Fan \- Auto Function Not Operating Correctly l Cont GT/C, Flying Spur. Customer Statement: Customers may report that the HVAC Auto function is not operating as intended. When Auto mode is selected, the air conditioning system remains at the lowest fan speed only. Instead of adjusting automatically, the fan does not increase speed as expected
- [2057841/5](/bulletins/11037172.md), 2026-09-09, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. Windscreen replacement criteria whilst under manufacturers warranty.
- [2078277/46](/bulletins/11037164.md), 2026-09-09, Service campaign: VISIBILITY/WIPER; STRUCTURE:BODY; ELECTRICAL SYSTEM. Software Update \| Window Short Drop Deletion \| Continental GT/GTC \| 26MY \(SC25 /31\). Software update is available for the left and right hand rear door control modules \- Diagnostic address 00BB Driver side and 00BC Passenger side The software eliminates the rear window short drop function
- [2081624/3](/bulletins/11036998.md), 2026-09-04, Service campaign: STRUCTURE:BODY; VISIBILITY/WIPER; ELECTRICAL SYSTEM. Software Update \| Window Short Drop Deletion \| Continental GT/GTC \| 26MY \(SC26/08\) Software update is available for the left and right hand rear door control modules \- Diagnostic address 00BB Driver side and 00BC Passenger side. The software eliminates the rear window short drop function.
- [2070638/3](/bulletins/11036996.md), 2026-09-04, Service bulletin: VISIBILITY/WIPER; STRUCTURE:BODY. Water evident on the A\-Post pillar seam \- Water dripping behind the door seal \- Sunroof specified vehicles only.
- [2078373/4](/bulletins/11036783.md), 2026-09-03, Service bulletin: VISIBILITY/WIPER; STRUCTURE:BODY; ELECTRICAL SYSTEM. Sunroof blind not retracting \| Bentayga Series. Customer may report that the sunroof blind is stuck in the closed position and cannot be opened using interior controls. The Sunroof blind is stuck due to uneven/ruffled or crumped during open or closing
- [2080372/4](/bulletins/11036038.md), 2026-08-07, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER; ELECTRICAL SYSTEM. Window Drop Glass Operation \| Continental GT/GTC \| 25\-26MY. Customer statement / workshop findings: • Incorrect operation / function of the front and / or rear window drop glass • Front and / or rear drop glass fails to open / close or attempts to close and re\-opens once contact has been made between the glass and applicable seal • DTC for window regulator motor no basic setting B148754 evident within any of the 4 window control modules \(diagnostic address 42, 52, BB and BC\) for loss of basic settings
- [2080375/4](/bulletins/11036037.md), 2026-08-07, Service bulletin: VISIBILITY/WIPER; ELECTRICAL SYSTEM; STRUCTURE:BODY. Window Drop Glass Operation \| Continental GT/GTC \|19\-24MY. Customer statement / workshop findings: • Incorrect operation / function of the front and / or rear window drop glass • Front and / or rear drop glass fails to open / close or attempts to close and re\-opens once contact has been made between the glass and applicable seal • DTC for window regulator motor no basic setting B148754 evident within any of the 4 window control modules \(diagnostic address 42, 52, BB and BC\) for loss of basic settings
- [2078373/3](/bulletins/11035932.md), 2026-08-06, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY/WIPER. Sunroof blind not retracting \| Bentayga Series.

JSON: [/v1/bulletins/11033377](/v1/bulletins/11033377)

[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%202078190%2F6&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11033377&vehicle=Service%20bulletin%202078190%2F6)