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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.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
2070041/22024-01-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Coolant warning lamp within the DIP - One or a combination of DTC's is evident P218100 - P017B00 - P017C00 - P017E00. Customer statement: Customer reports a red engine coolant overheat warning within the DIP Workshop findings. One or a combination of the following DTCs are evident within the engine control unit: - P218100 - Malfunction in cooling system - P017B00 - Cylinder head temperature sensor implausible signal - P017C00 - Cylinder head temperature sensor short circuit to ground - P017E00 - Cylinder head temperature sensor open circuit/loose contact.
2066040/32023-12-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Oil leak from the oil separator/breather connection - Intake manifold whistle - Engine warning lamp illuminated. Customer statement - Engine warning lamp illumintaed within the DIP And/or - Whistling noise(s) from the Inlet manifold Workshop findings: Oil leak between the oil separator tank and the Bank 1 breather line connection
2058423/112023-12-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. New Continental GT/GTC, New Flying Spur and Bentayga - Low Oil Pressure Warning During Early Vehicle Life - W12 only. Customer statement / workshop findings: Warning on the Driver Instrument Panel (DIP) - Oil pressure too low DTCs relating to oil pressure may also be stored within the Master ECU. Diagnostic Trouble Codes (DTC) P052400: Engine Oil Pressure Too Low and/or P15AA00: Engine oil pressure - Lower limit not reached stored in the Master Engine Control Unit (ECU).
2028794.72023-11-08. Service bulletin. ENGINE AND ENGINE COOLING. Engine Coolant Mixture - Restrictions on use of desalinated water Customer Statement: -Engine coolant requires topping up or replacing
2065664.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bentayga V8 Kovomo - Engine MIL light on - DTC O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 Customer Statement: -DTC P004100: O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 is evident within address 0001 (Engine control unit) and MIL light active after attempting to conduct a readiness test
2071668.12023-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. V8 Kovomo - Engine Misfires - Engine management light illuminated within the DIP Customer Statement: -Engine misfiring -Engine running rough (not refined) -Engine misfire DTCs evident -Engine management light illuminated within the DIP -Knocking noise from the cylinder head
2068273.32023-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Multiple Random Misfires Evident During PDI Customer Statement: -Multiple random cylinder misfire DTCs detected during PDI - DTC P030000: Random/Multiple Cylinder Misfire Detected (misfires on multiple cylinders) within the following control units: -V8 - ECM 1 - V8 (Address 01) ECM control unit -W12 - ECM 1 - (Address 01) and/or ECM 2 (Address 11)
2065926.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Fuel pressure regulator - DTC P242200 with symptom code 14536 evident within address 0001 Customer Statement: The warning lamp for the emission control system is displayed within the DIP
2065918.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING. V8 Kovomo - Bentayga - Water pump drive gear cover (Deletion) Customer Statement: -The original water pump has a cover fitted directly over the top of the water pump drive gear (Figure 1)
2065715.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Bentayga Hybrid - Emission control system warning lamp illuminated within the DIP - Potential wiring clash condition Customer Statement: -Emission control system warning lamp illuminated (Figure 1) within the Driver Information Panel (DIP)
2065697.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM. Bentayga Hybrid - Emission control system warning lamp illuminated within the DIP - Open circuit DTCs evident Customer Statement: -Emission control system warning lamp illuminated (Figure 1) within the Driver Information Panel (DIP)
2065148.32023-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. 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
2063954.52023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine warning light illuminated within the DIP during acceleration - DTC P029900 evident - W12 TSI only Customer Statement: -Engine warning light and max engine speed 4000 rpm warning evident within the DIP during acceleration - Warning on DIP first appears when accelerating (During boost)
2058423.102023-11-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. New Continental GT/GTC, New Flying Spur and Bentayga - Low Oil Pressure Warning During Early Vehicle Life - W12 only Customer Statement: -Warning on the Driver Instrument Panel (DIP) - Oil pressure too low DTCs relating to oil pressure may also be stored within the Master ECU. Diagnostic Trouble Codes (DTC) (P052400: Engine Oil Pressure Too Low) and/or (P15AA00: Engine oil pressure - Lower limit not reached stored in the Master Engine Control Unit (ECU)
2057978.72023-11-06. Service bulletin. ENGINE AND ENGINE COOLING. Engine Lubricating Oil - Replenishment Customer Statement: -Engine lubricating oil lamp illuminated on driver instrument panel. Engine lubricating oil requires topping up between services.
2053429.62023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Emission control system lamp illuminated - DTC P044100 evident Customer Statement: -Emission control system warning lamp illuminated (Figure 1) within the Driver Information Panel (DIP) in conjunction with DTC - P044100: EVAP Emission Contr.Sys.Incorrect Purge Flow - logged within one or both engine control modules
2053351.92023-11-06. Service bulletin. ENGINE AND ENGINE COOLING. Buzzing noise from engine area Workshop Findings: -Buzzing noise heard at idle from the sump area when the vehicle is elevated on a workshop ramp. The noise cannot be heard from inside the cabin or outside of the vehicle in normal circumstances.
2051219.102023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. W12 TSI Camshaft Phaser Position Related DTC Customer Statement: -Customer reporting (Emission Control Warning Indicator) displayed. Engine running rough.
2045686.62023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga - Engine oil pressure warning Customer Statement: -Low oil pressure warning illuminated in the driver instrument panel as shown in Figure 1 and event code P15AA00 is evident in one or both of the Engine Control Modules
2058573.32023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. DTC P04F000 EVAP system high pressure purge line performance DTC logged Customer Statement: -Emission control system warning light illuminated within the DIP (Figure 1)
2068946.42023-11-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; SUSPENSION. Bentley dynamic ride system warning - DTC P0B2500: Hybrid/EV Battery (A) Voltage low stored (48 volt system) Customer Statement: -(Bentley dynamic ride system: fault) displayed within the Drivers Instrument Panel (DIP)
2051893/52023-09-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Overheat condition-DTC logged for air in the system or DTC P218100-Cooling System Performance with symptom code 8113. Customer statement / workshop findings One or a combination of the following symptoms are evident: - Engine coolant overheat condition - Coolant loss - Diagnostic trouble codes (DTCs) logged within the Engine control module/s relating to Air in the coolant system - Engine overheating issues and/or DTC P218100: Cooling System Performance symptom code 8113 is evident - Warning light within the Drivers Information Panel (DIP). Measure 1) Fully drain the cooling system - Refer to Elsa Pro Rep.Gr 19 Cooling system - To drain and fill 2) Replace the Thermostat housing (includes thermostat) - Refer to Elsa Pro Rep.Gr 19 Cooling system - Thermostat - To replace
2071239/12023-09-07. Service bulletin. ENGINE AND ENGINE COOLING; 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 DTCs (various) is evident, in this scenario the operative should also refer to TPI 2051893
2071238/12023-09-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Coolant pump leaking (part number 07P 121 008B) - Low coolant warning - Engine overheating - DTCs 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 DTCs (various) is evident in this scenario the operative should refer to TPI 2051893.
2051187/92023-08-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Customer statement / workshop findings: - Poor engine running - Reduced power - Engine warning lamp illuminated - Symptom related DTCs evident within the applicable engine control unit(s) Technical background: Technical Product Information (TPI) to assist retailers when diagnosing poor engine running or misfires.

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