WenmarOpen by Wenmar Pro

Service campaign 2075447/1

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11009622
Published by NHTSA2024-11-02
Manufacturer's number2075447/1
Manufacturer's date2024-10-25
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Climate control module (diagnostic address 0008) software update (SC24/29). The update is required to ensure the climate control module has the latest available software installed The software update within the Work must be conducted, the update applies the latest specification software to the climate control module 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

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

U1A29, U1A2A

Vehicles listed
BENTLEY CONTINENTAL GT2024 (the catalog's model; the bulletin names a series or trim of it)
BENTLEY CONTINENTAL GT CABRIO2024 (the catalog's model; the bulletin names a series or trim of it)
BENTLEY FLYING SPUR2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
2061369/142026-09-09. Service bulletin. Engine Overheating - Warning in the DIP | V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident • Engine overheat warning in the DIP (Engine overheating) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649
2061369/132026-09-05. Service bulletin. Engine Overheating - Warning in the DIP | V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident: • Engine overheat warning in the DIP (Engine overheating) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649
2080375/42026-08-07. Service bulletin. 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
2081085/22026-08-06. Service bulletin. V8 Engine - Ticking Noise, Misfiring and Possible Low Oil Pressure Indications. Customer statement: The customer may report an audible ticking noise from the top of the engine, low oil pressure warnings / MIL on the Driver Information Panel, and/or misfiring during engine operation
2073377/42026-08-06. Service bulletin. TPMS - Warning within the Drivers Information Panel (DIP) - Tyre pressure sensor - Low battery.
2078773/22026-08-06. Service bulletin. Importance of Setting Delivery Date to Activate Full Customer Licenses | 24MY - Onwards. Customer statement / workshop findings: Customers may report a loss of connected services functionality approximately 12 months after vehicle handover.
2079835/22026-08-06. Service bulletin. Seat Belt and Safe Guard Alerts - Mechanical malfunction DTC B101C07 evident within 0015. Customer Statement: While driving, the seat belt warning system suddenly comes on and a system safe guard warning also appears in the Driver’s Instrument Panel (DIP).
2082308/12026-08-06. Service bulletin. Satellite Values Not Displayed in MVBs - J949 Emergency Call Control Module (Conbox). Customer statement / workshop findings: During diagnosis using ODIS, Measured Value Blocks (MVBs) for: Visible satellites, tracked satellites (within J949 Emergency Call Control Module – Conbox) may display blank or no value. This condition may be interpreted as a GPS reception fault, antenna issue or connectivity malfunction. Diagnostic logs may also show absence of satellite values.
2051187/132026-08-05. Service bulletin. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Customer statement / workshop findings: • Poor engine running • Reduced power • Engine warning lamp illuminated • Symptom related DTC’s evident within the applicable engine control unit(s)
2080680/22026-08-04. Service bulletin. 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.