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Service bulletin 2058484/15

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 bulletin
NHTSA id11029812
Published by NHTSA2026-03-06
Manufacturer's number2058484/15
Manufacturer's date2026-02-24
NHTSA componentFUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE

NHTSA's summary

Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation. Customer statement / workshop findings: Engine warning lamp is illuminated within the Driver Instrument Panel (DIP) in conjunction with the DTC as detailed below: •“P310B00 with symptom code 2638 - Low Fuel Pressure Regulation” There may also be multiple DTC’s and symptoms present due to fuel pressure regulation or fuel supply issues in conjunction with the afore mentioned symptom/DTC

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, Engine, Fuel system

Trouble codes named

P310B

Vehicles listed
BENTLEY BENTAYGA2018, 2019, 2020, 2021, 2022, 2023
BENTLEY BENTAYGA2025, 2026
BENTLEY redundant BENTAYGA2024

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

Recalls for the same vehicles and component
25V8110002025-11-24. ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU):SOFTWARE
20234702023-08-23. Fuel System
23V5920002023-08-23. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
20202452020-06-02. Fuel System
20V3210002020-06-02. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
2082981/12026-10-07. Service campaign. Software Update | Trailer Assist | Bentayga | 25MY & 26MY (SC26/19). Technical background: A software update is now available to address a potential concern for vehicles fitted with an authorised towbar. The software update intends to update relevant control modules to fix this potential concern. In affected vehicles, customers may be presented with the message "Trailer reverse assist: currently unavailable" on the MMI, preventing access to Trailer Assist functionality.
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
2082212/22026-09-05. Service campaign. Subframe Mount Control Unit - Calibration Update | Bentayga Series | 26-27MY (SC26/16) Technical background: On the affected vehicles the current dataset in the J931 power unit mounting control unit causes unintended active operation of the engine mount. The updated calibration replaces the existing dataset with a revised version, deactivating the active mount function.
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
2078373/42026-09-03. Service bulletin. 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
2078962/72026-09-01. Service bulletin. ODIS Error Message – Best Practice When Performing Baseline (BiL) Updates. Workshop Findings: During vehicle baseline (BiL) updates using ODIS, users may encounter various error messages. These errors can interrupt the update process and may be caused by issues related to the vehicle’s current configuration, communication faults, or problems with the SVM code being applied.
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
2080757/22026-08-06. Service bulletin. TSR Media, Radio and Audio Output - Not Functional. Customers may report one or more of the following: • Touch Screen Remote (TSR) media interface is nonfunctional. • No audio output from radio, media sources, or system sounds.
2073377/42026-08-06. Service bulletin. TPMS - Warning within the Drivers Information Panel (DIP) - Tyre pressure sensor - Low battery.
2078373/32026-08-06. Service bulletin. Sunroof blind not retracting | Bentayga Series.