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Service bulletins for the 2021 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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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.
2069622/22025-03-26. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Bentayga V8 Kovomo- DTC P103A00 evident - Engine Oil Fuel Portion Too High. Customer statement • Warning message within the DIP • The message asks the customer to ‘warm up engine’ accompanied by a yellow warning (Figure 1) No other symptoms are experienced. Figure 1 Workshop findings • DTC P103A00 evident - Engine Oil Fuel Portion Too High (Figure 2) Figure 2
2062365/52025-03-26. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Bentayga and New Flying Spur Hybrid - DTC P103A00 evident - Engine Oil Fuel Portion Too High. Customer statement: • Warning message within the DIP • The message asks the customer to ‘warm up engine’ accompanied by a yellow warning (Figure 1) No other symptoms are experienced.
2071674/32025-03-08. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE. V8 Kovomo - DTC - P025C00: Fuel Pump Module Control Circuit Low logged in 0001. Condition: • Engine management light illuminated within the DIP • DTC P025C00 Fuel Pump Module Control Circuit Low is evident within 0001 (Engine control unit)
2065926/42025-03-08. Service bulletin. ENGINE; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Fuel pressure regulator - DTC P242200 with symptom code 14536 evident within address 0001.
2065148/52025-03-08. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE; ELECTRICAL SYSTEM. V8 Kovomo - Engine MIL light on - DTC ' P04F000: EVAP system high pressure purge line performance' evident. Customer statement: • Engine MIL light illuminated within the DIP Workshop findings and observations: • DTC ‘P04F000: EVAP system high pressure purge line performance’ evident
2058573/52025-03-07. Service bulletin. ENGINE; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. DTC P04F000 EVAP system high pressure purge line performance DTC logged. Customer Statement: Emission control system warning light illuminated within the DIP.
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.
2073955/12024-06-04. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE; ELECTRICAL SYSTEM. New Flying Spur (Hybrid) and Bentayga (Hybrid) - DTC P019100: Fuel Rail Pressure Sensor "A" Circuit Range/Performance. Customer statement / workshop findings Check Engine Lamp illuminated within the Driver Instrument Panel (DIP) with a “Drive System Fault” warning, the following DTC listed below evident within Engine control module 1: • P019100 Fuel Rail pressure Sensor ‘A’ Circuit Range/Performance Technical background On engine restart after a drive (engine at operating temperature) the check engine lamp illuminates within the DIP with a “Drive System Fault” warning - DTC P019100 is logged
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/-
2071575/32024-04-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga V8 Kovomo - DTC P227900 evident within the engine control unit 0001. Customer statement / workshop findings - Engine warning lamp illuminated within the Driver Instrument Panel (DIP) - DTC P227900 is evident within Engine control unit 0001 in conjunction with DTC P030000 - Whistle noise may also be evident from the engine.
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.
2065148/42024-03-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. V8 Kovomo - Engine MIL light on - DTC P04F000: EVAP system high pressure purge line performance evident. Customer statement / workshop findings: - Engine MIL light illuminated within the DIP Workshop findings and observations: - DTC P04F000: EVAP system high pressure purge line performance evident.
2058573/42024-03-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. DTC P04F000 EVAP system high pressure purge line performance DTC logged. Customer statement / workshop findings: Emission control system warning light illuminated within the DIP. Workshop findings: DTC P04F000 EVAP system high pressure purge line performance DTC evident within the engine control unit Technical background: The DTC is related to mismatched terminal locations of the Pressure sensor for the activated charcoal filter system G804.
2065918/42024-03-04. Service bulletin. ENGINE AND ENGINE COOLING. V8 Kovomo - Bentayga - Water pump drive gear cover (Deletion). The cover is no longer fitted on replacement water pumps, the cover is not required and MUST not be transferred to the new water pump The operative should fit the new water pump without the cover as shown in Figure 2 NOTE: DISS queries or Service calls should not be submitted for this concern.
2071575/22024-03-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bentayga V8 Kovomo - DTC P227900 evident within the engine control unit 0001. Customer statement / workshop findings: - Engine warning lamp illuminated within the Driver Instrument Panel (DIP) - DTC P227900 is evident within Engine control unit 0001 in conjunction with DTC P030000 - Whistle noise may also be evident from the engine.
2059149/52024-01-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Engine Oil - Consumption - V8 Kovomo. Customer statement / workshop findings: Engine oil warning lamp illuminated within the Drivers Instrument Panel (DIP) Engine oil requires topping up between services. Excessive engine oil consumption.

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