# Service campaign 2075447/2

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 campaign
- NHTSA id: 11020943
- Published by NHTSA: 2025\-07\-29
- Manufacturer's number: 2075447/2
- Manufacturer's date: 2025\-07\-08
- Campaign id or software version: ED22
- NHTSA component: VISIBILITY/WIPER; ELECTRICAL SYSTEM

## NHTSA's summary

Climate control module \(diagnostic address 0008\) software update \(SC24/29\). The update ensures the HVAC system operates to specification and also ensures that one or a combination of the following DTC’s are not logged: U1A2900: Interior air conditioning Function restriction start / stop And / Or U1A2A00: Interior air conditioning Function restriction AC operation

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020943-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020943-9999.pdf)

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

## Components

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

## Trouble codes named

U1A29, U1A2A

## Vehicles listed

- 2024 BENTLEY CONTINENTAL GT
- 2024 BENTLEY CONTINENTAL GT CABRIO
- 2024 BENTLEY FLYING SPUR

## Other bulletins for the same vehicles and component

- [2057841/5](/bulletins/11037172.md), 2026-09-09, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. Windscreen replacement criteria whilst under manufacturers warranty.
- [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.
- [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
- [2080680/2](/bulletins/11035585.md), 2026-08-04, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY/WIPER. Organ stop air regulator jammed / broken / electrical value wrong reading. Customer Statement: Airflow from the organ stops \(air regulators\) is not functioning correctly; vents may be stuck, broken, or showing incorrect operation.
- [2071933/5](/bulletins/11035413.md), 2026-08-01, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. Headlamp Control Unit Replacement \| Bentayga and Flying Spur. 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 \(Outer lamp\)
- [2080375/3](/bulletins/11034422.md), 2026-07-03, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY/WIPER. 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
- [2080375/2](/bulletins/11033665.md), 2026-06-05, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER; 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
- [2081987/1](/bulletins/11033662.md), 2026-06-05, Service bulletin: VISIBILITY/WIPER; STRUCTURE:BODY. Panorama Sliding Sunroof \- Creaking Noise from Rear Rail Area \| Flying Spur
- [2078190/6](/bulletins/11033377.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. 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.
- [2078190/5](/bulletins/11030713.md), 2026-04-05, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. 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.

JSON: [/v1/bulletins/11020943](/v1/bulletins/11020943)

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