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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Bulletins, newest first
2078038/32026-06-03. Service bulletin. STRUCTURE:BODY. Service info: Paint Damage/Anomalies | All Models Customer statement / workshop findings: In rare instances the customer and/or retailer may identify visual damage/anomalies in the paint finish during or post pre-delivery inspection. These may include: • Uneven sheen or texture • Patchy or blotchy appearance • Inconsistent under lighting • Staining, discolouration, or surface blemishes
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.
2057841/42026-05-07. Service bulletin. STRUCTURE:BODY; VISIBILITY/WIPER. Windscreen replacement criteria whilst under manufacturers warranty. Customer statement / workshop findings: Windscreen cracked/damaged
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
2059612/72026-04-05. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Home Charging Unit PIN code - Bentayga Hybrid and Flying Spur Hybrid. Customer statement / workshop findings: Bentley Home Charging Unit – Unable to recollect Personal Identification Number (PIN). Unable to charge High Voltage Battery with Bentley Home Charging Unit.
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
2080097/12026-03-06. Service bulletin. UNKNOWN OR OTHER. Service info: Conversion of imported vehicles
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.
2080795/12026-03-05. Service bulletin. STRUCTURE:BODY; SEATS. Service Info: Cleaning and Care Guidance for Dinamica Interior Trim Materials. Condition: Customers and retailers may raise enquiries regarding the cleaning and appearance of Dinamica interior trim materials. Workshop inspection confirms no material defects, with concerns related solely to approved cleaning and maintenance guidance
2080814/12026-03-05. Service bulletin. STRUCTURE:BODY. Service Info: Interior Veneer Replacement. Condition: For any interior veneer replacement: raise and obtain approval of a Technical DISS query before ordering. This ensures VIN correct specification and prevents visual mismatch.
2075331/42026-03-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Engine light in the DIP - Various oxygen sensor / Fuel ratio DTC's logged within the Engine Control Module(s)
2075318/42026-03-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine light in the DIP - Various Camshaft adjuster DTC's logged within the Engine Control Module(s).
2051562/142026-03-03. Service bulletin. ELECTRICAL SYSTEM. 12 volt - Battery condition checks - Battery replacement requirements. Condition: 12 volt battery flat or unserviceable
2079115/12026-02-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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. Workshop Findings: Customer statement can be verified and the following entries may be logged within the engine control unit. • P029900: Turbo/Super Charger Under-boost, passive/sporadic.

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