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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: Engine are shown. Show all

Bulletins, newest first
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.
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.
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
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
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)
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
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.
2070682/12023-08-03. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING. Loud ticking/clatter noise from the air conditioning compressor (HVAC). Customer statement Loud ticking/clatter noise can be heard from the front of the engine Workshop findings The noise is from the air conditioning compressor Technical background The operative should confirm the noise is from the compressor as detailed within the Measure section.
2055321.42023-07-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Bentayga W12 - DTC 310B00 - Low fuel pressure regulation Customer Statement: -Engine stalling when the engine is started from cold (at idle)
2062080.92023-07-08. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bentayga V8 Kovomo and V6 (Hybrid) - Fuel Pressure Regulation - Numerous DTC's Customer Statement: -Check Engine Lamp illuminated within the Driver Instrument Panel (DIP) with one or multiple DTC’s as detailed below:
2062092.32023-07-08. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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)
2065919.82023-07-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Coolant leaking from the mechanical coolant pump - Low coolant level warning - Engine overheating - DTC's evident Customer Statement: -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 -Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113
2059379.42023-06-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. High Pitched Whistle From The Engine - Warning Light Within The DIP - Engine Not Running Smoothly - Numerous DTCs Customer Statement: -Emission Control Warning Light Evident Within The DIP
2063954.42023-06-07. 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)

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