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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.

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By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
2028808/82025-04-02. Service bulletin. ENGINE. Service info: Engine oil - Specific oil type and oil consumption reference. Condition: Engine oil level requires top up between services Technical Background: The use of the correct oil for each engine type is critical for its continued performance, reliability and ultimately warranty. The workshop manual should always be the first point of reference, ensuring the correct lubricant is used for each specific model year and engine type Should oil be required the parts catalogue must be referred to ensuring the correct VIN is always used when ordering
2064679/52025-04-02. Service bulletin. ENGINE. Oil leaking from tell tale hole - CDA actuator fixings or Fuel rail fixings or Vaccum assembly fixings - V8 Kovomo.
2075922/22025-03-28. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE; ELECTRICAL SYSTEM. High pitched whistle from the engine - Warning light within the DIP - Engine not running smoothly - Numerous DTC's.
2061369/92025-03-28. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine overheating - Warning in the DIP (V8 Kovomo). Condition: 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
2057978/82025-03-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine Lubricating Oil - Replenishment. Condition: Engine lubricating oil lamp illuminated on driver instrument panel. Engine lubricating oil requires “topping up” between services.
2075331/22025-03-27. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; ENGINE. Engine light in the DIP - Various oxygen sensor / Fuel ratio DTC's logged within the Engine Control Module(s),
2075318/22025-03-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine light in the DIP - Various Camshaft adjuster DTC's logged within the Engine Control Module(s).
2075140/22025-03-27. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Engine cooling system over cooling - One or a combination of DTC's may be evident P218100 - P1BB400.
2070041/42025-03-27. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Engine coolant overheat warning in the DIP - One or a combination of DTC's may be evident P017B00 - P017C00 - P017E00. Customer statement: Engine coolant overheat warning within the DIP
2028794/82025-03-27. Service bulletin. ENGINE. Engine coolant mixture - Restrictions on use of desalinated water. Technical Background: An important factor of influencing the cooling system efficiency is the water used in the mixture Due to the different ingredients and characteristics existing in each country or even region, Bentley has decided to define the quality of water for cooling systems Demineralised water according to standard VDE 0510 meets all requirements and can be purchased worldwide Therefore undiluted coolant should be mixed in the correct ratio using demineralised water as detailed in Elsa Pro coolant specification, this will detail the ratio and type of coolant to use The use of desalinated water in the engine cooling system is specifically prohibited
2055664/22025-03-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE. DTC P14AB00 and/or other related exhaust flap DTC's - Warning lamp evident within the DIP. Technical Background: • The warning lamp and DTC’s can be triggered by non-operation of the exhaust flap control unit/s
2062080/102025-03-26. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE; ELECTRICAL SYSTEM. Bentayga V8 Kovomo and V6 (Hybrid) - Fuel Pressure Regulation - Numerous DTC's.
2062092/42025-03-26. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE. Bentayga V8 Kovomo - DTC P304300 with symptom code (10061) - Fuel Pump Mechanical Malfunction - MIL lamp. Customer statement: Check Engine Lamp illuminated within the Driver Instrument Panel (DIP) Workshop findings: DTC P304300 – with symptom code (10061) - Fuel Pump Mechanical Malfunction evident
2058484/132025-03-26. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE. Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation.
2075922/12024-12-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM. High pitched whistle from the engine - Warning light within the DIP - Engine not running smoothly - Numerous DTC's. Customer statement/Workshop findings • Emission control warning light evident within the DIP • Engine not running/idling smoothly • High pitched whistle from the right and left hand side of the engine TIP: Refer to video within the Bentley Hub referencing TPI 2075922/- • A selection of DTC’s are evident (as per TPI Event memory entries)
2075562/12024-11-04. Service bulletin. STRUCTURE:BODY; ENGINE. Keyless entry system (KESSY) function was found to be disabled when the vehicle was parked for a short duration of time. Customer statement / workshop findings: Keyless entry system (KESSY) function is disabled when the vehicle is parked for a short duration of time Technical background: The reported symptom is due to the Battery management shut off stages being too early due to the battery size being incorrectly entered on replacement
2061369/82024-11-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM. 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
2075331/12024-10-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine light in the DIP - Various oxygen sensor / Fuel ratio DTC’s logged within the Engine Control Module(s). Customer statement / workshop findings: Engine light in the DIP - Various oxygen sensor / Fuel ratio DTC’s logged within the Engine Control Module(s).
2075318/12024-10-08. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Engine light in the DIP - Various Camshaft adjuster DTC’s logged within the Engine Control Module(s). Customer statement / workshop findings: Engine light in the DIP - Various Camshaft adjuster DTC’s logged within the Engine Control Module(s).
2075140/12024-10-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Engine cooling system over cooling - One or a combination of DTC's may be evident P218100 - P1BB400. Customer statement / workshop findings: • DTC P218100 - Cooling System Performance and / or DTC P1BB400 Cylinder head temperature too low is stored in the Engine Control Module (ECM). • Emission Control Lamp illuminated on the Driver Instrument Panel.
2070041/32024-10-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Engine coolant overheat warning in the DIP - One or a combination of DTC's may be evident P017B00 - P017C00 - P017E00. Customer statement: Engine coolant overheat warning within the DIP
2060205/72024-09-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine Cooling System over cooling - DTC P218100 - V8 Kovomo. Technical background It is possible for the engine coolant Thermostat to corrode over time, this corrosion is due to an adverse reaction of the Thermostat material with the engine coolant. The corrosion and subsequent build-up of debris prevents the correct operation of the thermostat when closing, resulting in over cooling. The ECM triggers a DTC when the target engine temperature is outside of the specified parameter.
2071239/22024-06-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Coolant pump leaking (part number 07P 121 008C) - Low coolant warning - Engine overheating - DTC's evident. Customer statement / workshop findings: One or a combination of the following is evident: • Coolant leaking from the mechanical coolant pump • Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump • Low coolant level warning displayed within the DIP Or • Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTC’s (various) is evident, in this scenario the operative should also refer to TPI 2051893
2071238/22024-06-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Coolant pump leaking (part number 07P 121 008B) - Low coolant warning - Engine overheating - DTC's evident. Customer statement / workshop findings: One or a combination of the following is evident: • Coolant leaking from the mechanical coolant pump • Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump • Low coolant level warning displayed within the DIP Or • Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTC’s (various) is evident in this scenario the operative should refer to TPI 2051893/-
2061369/62024-03-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine overheating - Warning on the DIP - V8 Kovomo. Customer statement / workshop findings: - Customer reports an engine overheat warning within the DIP - Engine overheating - Unusual cooling fan operation at high temperatures - There are no obvious signs of coolant leaks both internally or externally Workshop findings - P19F700: Low engine coolant temperature indicator lamp Coolant too warm - Signs of coolant in the vacuum hoses (Refer to the video on the Bentley Hub referencing TPI 2061369.

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