Service bulletins for the 2020 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.
753 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Electrical system are shown. Show all
| 2051187.7 | 2022-11-08. 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. |
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| 2051562.9 | 2022-11-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 12 Volt- Battery Condition Checks. Technical background For all 12 volt battery issues relating to warranty or a parts warranty claim, a DISS query MUST be raised prior to battery replacement, refer to the instructions within the Measure section of this TPI. |
| 2065440.1 | 2022-11-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Home Charging Unit Cable - Incorrect Label Fitted (SC 22/26). Technical background: Referring to Figure 1 - The label which is fixed to the (Home plug) charging lead at the point shown (ARROW) is incorrect NOTE: The vehicle charging socket label (where fitted) is not affected |
| 2067613.1 | 2022-11-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bentayga Hybrid - Engine Control Module Update (SC 22/24) Technical background: A software update to the Engine Control Module is required Remedy: Carry out the instructions within the Work section to completion |
| 2058484.9 | 2022-11-08. 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. |
| 2059379.2 | 2022-11-08. 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 |
| 2065919.3 | 2022-11-08. 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 |
| 2062080/7 | 2022-10-07. 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 |
| 2066246/2 | 2022-10-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bentayga/New FlyingSpur - DTCPOC4A00 Hybrid/EV Battery Pack Coolant Pump "A" Control Performance Within Address 8C Customer Statement: -Speed limitation noticeable when driving in EV mode (Restricting the vehicle speed to approximately 30mph/48kph) -No other warnings are evident within the DIP |
| 2058484/8 | 2022-10-07. 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 |
| 2066497/2 | 2022-08-31. Service bulletin. ELECTRICAL SYSTEM. Bentayga Hybrid - Unable to charge the high voltage battery or charging starts and then stops Customer Statement: -Unable to charge the high voltage battery, or charging starts and then stops Technical Background: -In the event the issue is as described within the Customer statement/Workshop findings section, refer to the instructions within the Measure section of this TPI |
| 2053348/7 | 2022-08-31. 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 Technical Background: -The operative should lease with the customer to clarify the driving conditions in which the issue occurs, see examples below: -Duration the vehicle was driven before the issue was evident -Throttle load (harsh or light acceleration) -What gradient they were driving on (uphill/downhill/flat road surface etc) -Speed of the vehicle when the issue occurred -Road conditions for example: City driving with traffic queues |
| 2066040/2 | 2022-08-31. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Oil leak from the oil separator/breather connection - Intake manifold whistle - Emission control warning within the DIP Customer statement: -Emission control warning within the DIP Technical Background: -Refer to the Measure section of this TPI -This TPI is applicable to all W12 TSI models including W12 TSI Speed models |
| 2053177/17 | 2022-08-31. Service bulletin. ELECTRICAL SYSTEM. All Vehicle Variants - Spurious DTC List. Customer statement / workshop findings: -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 Technical background: -The operative should refer to the Bentley Hub referencing TPI 2053177/- The document (loaded onto the Hub) contains all of the current known Spurious DTCs for all vehicle variants -Should a particular TPI be listed as Archived, the TPI can no longer be viewed within Elsa pro, in this case please refer to the instructions within TPI 2053177/- regarding the DTC description and actions which should be conducted (if any). |
| 2062626/3 | 2022-08-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. DTCs stored for all cylinders on Bank 1 or all cylinders on Bank 2 - W12 TSI engine derivative. Customer statement / workshop findings: -DTCs stored for all cylinders on Bank 1 or all cylinders on Bank 2 including multiple cylinder misfires DTC - Misfires logged in one or both engine control units - Engine warning light on - Erratic engine operation Technical background: -Refer to the Measure section of this TPI -This TPI is applicable to all W12 TSI models including W12 TSI Speed models |
| 2067538/1 | 2022-08-06. Service bulletin. ELECTRICAL SYSTEM. Bentayga, Mulsanne and New Flying Spur - Rear Entertainment Tablet - Battery Replacement. Customer statement / workshop findings: Message on Bentley Rear Entertainment Tablet - The battery is defective Please contact your Bentley dealer. Technical background: The Bentley Rear Entertainment Tablet incorporates battery voltage protection, under certain conditions this system can prevent the internal battery from accepting a charge current, this would normally require the Tablet to be replaced. This TPI provides the necessary information to replace the Tablet internal battery pack. |
| 2065919/2 | 2022-08-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Water leaking from mechanical water pump - Low coolant level warning displayed - W12 TSI. Customer statement / workshop findings: - Coolant leaking from the mechanical coolant pump And/or - Low coolant level warning displayed Technical background: The operative MUST ensure the instructions within the Measure section are followed, the instructions differ slightly depending on the part number of the mechanical coolant pump (B or C suffix). |
| 2051965/3 | 2022-08-05. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. Bentley dynamic ride system warning displayed- DTC P0B2500: Hybrid/EV Battery A Voltage low stored. Customer statement / workshop findings: Bentley dynamic ride system: fault displayed within the Drivers Instrument Panel (DIP) Workshop findings: DTC P0B2500: Hybrid/EV Battery A Voltage low stored within address 21-Battery Energy Control Module 2 Technical background: Possible internal fault with super capacitor, refer to the Measure section of this TPI |
| 2062080/6 | 2022-07-08. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga V8 Kovomo and V6 (Hybrid) - Fuel Pressure Regulation - Numerous DTCs. Customer statement / workshop findings: Check Engine Lamp illuminated within the Driver Instrument Panel (DIP) with one or multiple DTCs as detailed below: - P310B00 with symptom 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 There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues Technical background: In the event the customer complaint relates to the following: - Customer experienced poor start up - proceed with the remaining instructions NOTE: The operative must gather information regarding the Customer experience regarding when the issue occurred for example: Pre- conditions, warning lights and driveability at the time that the issue occurred, details when the vehicle was last refueled and the grade of fuel used The operative must now use the information contained within the Measure section to determine the correct analysis and repair procedure. |
| 2058484/7 | 2022-07-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation. Customer statement / workshop findings Check Engine Lamp 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 be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues Technical background In the event the customer complaint relates to the following: - Customer experienced poor start up or the engine stalled shortly after start up - proceed with the remaining instructions NOTE: The operative must gather information regarding the Customer experience regarding when the issue occurred for example: Pre- conditions, warning lights and driveability at time issue occurred, details when the vehicle was last refuelled and the grade of fuel used The operative must now use the information contained within the Measure section to determine the correct analysis and repair procedure. |
| 2062365/2 | 2022-07-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Bentayga and New Flying Spur Hybrid DTC P103A00 evident Engine Oil Fuel Portion Too High. Customer statement / workshop findings: - 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. Workshop findings - DTC P103A00 evident - Engine Oil Fuel Portion Too High (Figure 2) Smell of fuel in the engine oil Technical background: The warning is caused by the level of unburnt fuel in the engine oil. This value is calculated by the Engine Control Module (ECM) and is based on the driver usage pattern The more cold starts the Internal Combustion Engine (ICE) is exposed to the higher the chance of fuel making its way into the engine oil via the cylinders When the fuel calculation reaches the pre-programmed amount this then causes the DTC to be triggered |
| 2061044/4 | 2022-07-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. Bentayga Hybrid - Distance covered when in electric mode is not as expected. Customer statement / workshop findings: Customer reports the Hybrid E-range (Electric Driving Range) does not achieve the expected distance. Technical background: VERY IMPORTANT: Please ensure all guidelines within the repair manual are strictly followed before and whilst conducting any work on vehicles with a High voltage system Electric range can depend on multiple factors, e.g. driving style, road gradients, ambient temperature, use of heating / cooling functions, and the use of other electrical consumers on the vehicle. The tests within the Measure section should be carried out (Subject to a genuine customer complaint) to check/confirm that the vehicle is operating correctly and being used efficiently By completing the checks within the Measure section, it should then be possible to determine that the vehicle is operating correctly and within specification. The customer’s Home charging equipment should be used when conducting the Measure section checks |
| 2067399/1 | 2022-07-07. Service bulletin. ELECTRICAL SYSTEM; STEERING; SUSPENSION. Warning evident within the DIP for the steering system - DTC U103100 evident within diagnostic address 0044. Customer statement: - Warning within the DIP for the steering system (Figure 1) Figure 1 Workshop findings: - DTC U103100 with symptom code 3146753 - FlexRay data bus No synchronization evident within diagnostic address 0044 Technical background: In the event the issue is as described the operative should conduct the instructions within the Measure section of this TPI |
| 2058423/8 | 2022-07-06. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. New Continental GT/GTC, New Flying Spur and Bentayga - Low Oil Pressure Warning During Early Vehicle Life. 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). Measure: VERY IMPORTANT: Prior to conducting the onward instructions, the following symptoms MUST be evident - Warning on Driver Instrument Panel (DIP) Oil pressure too low And/or - 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) Should any of the afore mentioned not be evident and the symptoms cannot be reproduced No further action should be taken unless the issue can be reproduced or demonstrated by the customer In the event the symptom/s are evident please conduct the onward Diagnosis Instructions |
| 2066843/1 | 2022-06-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine vibration/humming at idle - Active engine mount diagnosis guidelines. Customer statement: Engine vibration/humming noise at idle Workshop findings DTC C113111 - 307 - Actuator 1 for assembly mounting Short circuit to Ground (GND) evident within the engine mounting control module - Diagnostic address 00BA Technical background In the event the issue is as described, refer to the Measure section of this TPI. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.