WenmarOpen by Wenmar Pro

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
2062261.42022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; SUSPENSION. Bentayga - Air Suspension warning light within the DIP - DTCs P089200 - C104707 - C103B13 Evident within Address 74 Customer Statement: -Air suspension warning light within the DIP
2065919.42022-12-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Water Leaking from the mechanical water pump- Low coolant level warning displayed - W12 TSI Customer Statement/Workshop Findings: -Coolant leaking from the mechanical coolant pump -Coolant witness mark on the mechanical coolant pump although coolant is not leaking/dripping from the pump -Low coolant level warning displayed
2053350.42022-12-08. Service bulletin. ENGINE AND ENGINE COOLING. W12 - Oil leak from engine Technical background: -The breather return line and the oil dipstick tube O- rings can split causing an external oil leak. -This can be diagnosed as the engine sump leaking
2049586.112022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Misfiring, W12 TSI - Excessive carbon build up cylinder leakage Customer Statement: -Emission control warning signal displayed, engine misfire Workshop Findings: -Event entries in engine control unit relating to cylinder misfires- excessive carbon build up to leading to cylinder leakage and spark plug foul
2053348.92022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. W12 Engine Management Light On - Turbocharger speed sensor DTCs stored Customer Statement: -Engine management light is evident within the DIP
2053351.82022-12-08. Service bulletin. ENGINE AND ENGINE COOLING. Buzzing noise from engine area Customer Statement: -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.
2051187.82022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Poor Engine Running Complaints (Misfires) Petrol Engines Only Customer Statement: -Poor engine running, reduced power, engine warning lamp illuminated.
2053429.52022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Emission Control System Lamp Illuminated DTC P044100 Evident Customer Statement: -Emission control system warning lamp illuminated within the Driver Information Panel (DIP) in conjunction with DTC - P044100: EVAP Emission Contr.Sys.Incorrect Purge Flow - logged within on or both engine control modules
2028808.62022-12-08. Service bulletin. ENGINE AND ENGINE COOLING. All 12MY Engine Oil- Service Info: Engine Oil - Specific oil type and oil consumption reference, 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.
2064337.22022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Usage of E10 Fuel Customer Statement: -In the event a customer asks if E10 fuel can be used, the operative must refer to the Technical background section of this TPI
2053177.182022-12-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. All Vehicle Variants - Spurious DTC List Customer Statement: -Customers will not be aware of any fault codes -Workshop may discover spurious fault codes whilst running a Diagnostic Trouble Code (DTC) log as part of other investigations on the vehicle.
2064679.22022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Oil leaking from the tell tale hole - CDA actuator fixings or Fuel rail fixings or vacuum assembly fixings - V8 Kovomo
2058423.92022-12-08. 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: -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)
2051519.112022-12-08. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC Operation Issues/HVAC Motor defect DTCs logged Customer Statement: -HVAC operation issues and HVAC motor defect (DTCs) evident within address 08 - Climatronic control unit, the DTCs can be static or sporadic (intermittent)
2057978.62022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine Lubricating Oil - Replenishment Customer Statement: -Engine lubricating oil lamp illuminated on drivers instrument panel -Engine Lubricating oil requires "topping up" between services
2055321.32022-12-07. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Bentayga W12 - DTC 310B00 - Low Fuel Pressure Regulation Customer Statement: -Engine stalling when the engine is started from cold (at idle) -Or After a delayed cold start
2065918.22022-12-07. Service bulletin. ENGINE AND ENGINE COOLING. V8 Kovomo- Bentayga - Water pump drive gear cover (deletion) Workshop Findings: -The original water pump has a cover fitted directly over the top of the water pump drive gear -However the replacement water pump does not have a cover fitted
2062092.22022-12-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. 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)
2058484.102022-12-07. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Bentayga V8 Kovomo - DTC P310B00 with symptom code 2638 - Check engine lamp - Fuel pressure regulation Condition: Engine warning lamp is illuminated within the Driver Instrument Panel (DIP) in conjunction with the DTC as detailed below:
2051187.72022-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Poor Engine Running Complaints (Misfires) Petrol Engines Only Customer Statement: -Poor engine running, reduced power, engine warning lamp illuminated.
2058484.92022-11-08. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bentayga V8 Kovomo - DTCs P310B00 with symptom code 2638 - Check Engine Lamp - Fuel Pressure Regulation Customer Statement: -Engine warning lamp is illuminated within the driver instrument panel (DIP) in conjunction with the DTC.
2059379.22022-11-08. 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 -Engine not running/idling smoothly -High pitched whistle from the right hand side of the engine. -A selection of DTCs are evident
2065919.32022-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Water Leaking from the mechanical water pump- Low coolant level warning displayed Customer Statement: -Coolant leaking from the mechanical coolant pump -Coolant witness mark on the mechanical coolant pump although coolant is not leaking/dripping from the pump -Low coolant level warning displayed
2062080/72022-10-07. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bentayga V8 Kovomo and V6 (Hybrid) - Fuel Pressure Regulation - Numerous DTCs Customer Statement: -Check Engine Lamp Illuminated within the Driver Instrument Panel (DIP): -P310B00 with system code 2636 - Low Fuel Pressure Regulation" Low Fuel Pressure Regulation" -P014800 Fuel Deliver Error" -P019100 Fuel Rail Pressure Sensor 'A' Circuit Range/Performance -P018B00 Fuel Pressure Sensor "B" Circuit Range/Performance with symptom code 17871 -Misfire" DTCs
2058484/82022-10-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation Customer Statement: -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 DTCs and symptoms present due to fuel pressure regulation or fuel supply issues in conjunction with the afore mentioned symptom/DTC Technical Background: -NOTE: The retailer must attempt to request as much information as possible regarding when the issue occurred Pre-conditions, For example: -Driving at low speed in traffic -Warning lights -Driveability at the time the issue occurred - During idle or driving? -If during idle, how long had the car been idling? -Details when the vehicle was last refuelled and the grade of fuel used -When the issue occurred, How was the car unlocked and started? Keyless entry or entry by using the remote key fob

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