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Service bulletins for the 2018 Bentley Bentayga

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.

751 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
2078190/72026-07-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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.
2061369/122026-07-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine Overheating - Warning in the DIP | V8 Kovomo 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
2051562/172026-07-28. Service bulletin. ELECTRICAL SYSTEM. 12 volt - Battery condition checks - Battery replacement requirements
2071131/62026-07-07. Service bulletin. ELECTRICAL SYSTEM. Measured values - Cycle recording instructions Condition: In some cases Measured value traces may be requested in XML format for analysis by Product Support Technical Background: The instructions within the Measure section of this TPI have been generated to guide operatives through the process for recording Measured values in cycles by using self diagnosis, the Instructions also detail how to locate corresponding files which are required for analysis
2081882/12026-06-06. Service bulletin. ELECTRICAL SYSTEM. Navigation Map Update Process - MIB2 Infotainment Systems. Customer statement / workshop findings: The customer requests improved and/or newer navigation functionality, including access to the latest navigation maps and updated map content.
2082002/12026-06-06. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. B200FFE - Internal Malfunction Logged in Sway Stablization Control Units (00D4/00D5). Customer statement / workshop findings: During fault finding, the following may be observed: DTC B200FFE (Internal Malfunction) stored in the following diagnostic address: • Front Sway Stablization Control Unit (00D4)Or • Rear Sway Stablization Control Unit (00D5)
2075140/32026-06-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine cooling system over cooling - One or a combination of DTC's may be evident P218100 - P1BB400.
2075034/42026-06-04. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES; STRUCTURE:BODY. EPB Warning light in DIP - Front door/s power latch system intermittent - DTC U112300 within Address 03 and Address 46. Customer statement / workshop findings: One or a combination of the following is evident within the DIP (Figure 1) • Electronic parking brake warning And/or • Drivers door power latch intermittent operation warning
2078190/62026-06-03. 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.
2081947/12026-06-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE. W12 Engine - DTC P192400 control module pin code implausible signal logged in 0001 /0011. Customer Statement: The customer may report one or more of the following after vehicle repairs: • Engine does not start following workshop work • Drive System Fault warning displayed in the instrument cluster (Kombi).
2063729/52026-06-03. Service bulletin. ELECTRICAL SYSTEM. Fitment of control modules from donor vehicles for test purposes. Technical background If an issue is suspected for one of the control modules listed below: • Onboard supply control unit (J519) • Convenience system central control unit (J393) • Data bus diagnostics interface (J533) • Control unit 1 for Information Electronics (J794) • Control unit in dash panel insert (J285) • Emergency call module control unit (J949) The fitment of donor parts from another vehicle is not advisable and only possible if approved from Product Support via an open DISS query.
2081721/12026-06-03. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Vehicle Central Locking – Door Locking / Unlocking Functional Complaints Customer Statement The customer reports that the vehicle door locking and/or unlocking does not function correctly. This may include intermittent operation, non-response to remote or interior commands, or inconsistent locking behaviour.
2051562/162026-05-05. Service bulletin. ELECTRICAL SYSTEM. 12 volt - Battery condition checks - Battery replacement requirements. Customer statement / workshop findings: 12 volt battery flat or unserviceable
2077256/42026-05-05. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY; VISIBILITY/WIPER. Rear Door Blind Inoperative | Bentayga Series Customer statement / workshop findings: Rear door blind is inoperative
2071525/42026-05-01. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Driver / Passenger door(s) creak on close - All models (front and / or rear). Customer statement / workshop findings: Driver and / or Passenger door creak during the “Power close” function - Front and / or rear (Depending on vehicle type)
2078190/52026-04-05. 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.
2079115/22026-04-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Turbo Charger Under-boost - DTC P029900 is evident in 0001 | V8 Kovomo | All Models. Customer Statement: The engine warning light comes on and the vehicle loses power.
2055036/82026-04-05. Service bulletin. ELECTRICAL SYSTEM. My Bentley - Connected services. Customer statement / workshop findings: Complaints relating to My Bentley connected services
2081236/12026-04-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER; ENGINE. Loss of Cabin Heat During Engine Operation | Bentayga - V8. Customers may report that the air conditioning system blows only cold air when the engine is running. Warm air is only available after switching off the engine. The concern is commonly reported after engine removal or recent repair work.
2081243/12026-04-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Service Info: Engine Control Module (ECM) 5V Reference Circuits. This TPI provides supplementary technical information to support diagnosis of ECM 5V reference circuit DTCs. It details the sensors associated with each reference circuit (A, B, and C) and outlines relevant guidance to assist in isolating faults when any of the following DTCs are stored in the Engine Electronics (diagnostic address: 0001)
2081029/12026-04-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. W12 Engine - Ticking Noise and Possible Low Oil Pressure Indications. The customer may report a ticking noise from the upper engine area, low oil pressure warnings, or a flashing MIL during engine operation.
2081085/12026-04-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. V8 Engine - Ticking Noise, Misfiring and Possible Low Oil Pressure Indications. 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.
2058484/152026-03-06. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE. 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
2051562/152026-03-06. Service bulletin. ELECTRICAL SYSTEM. 12 volt - Battery condition checks - Battery replacement requirements. Customer statement / workshop findings: 12 volt battery flat or unserviceable
2080901/12026-03-06. Service bulletin. ELECTRICAL SYSTEM. Sporadic entries - Nano connector contact testing. Condition: Sporadic entries in control units that use Nanotype terminals, including the airbag control unit J234, the engine control unit J623 and the emergency call and communication unit J949. These may be accompanied by intermittent electrical behaviour or repeated DTCs after earlier diagnostic checks.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.