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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By component
By trouble code
Only bulletins with component: Fuel system are shown. Show all
| 2068273.2 | 2022-12-08. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. 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-ECM1 - V8 (Address 01) ECM control unit -W12 - ECM1 - (Address 01) and/or ECM 2 (Address 11) |
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| 2064337.2 | 2022-12-08. 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 |
| 2064679.2 | 2022-12-08. 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 |
| 2055321.3 | 2022-12-07. 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 |
| 2062092.2 | 2022-12-07. 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) |
| 2065148.2 | 2022-12-07. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. V8 Kovomo- Engine MIL light on - DTC P04F000: EVAP system high pressure purge line performance evident Technical Background: -In the event the symptom described is evident the operative should carry out the instructions within the Measure section |
| 2058484.10 | 2022-12-07. 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: |
| 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. |
| 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 |
| 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 |
| 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. |
| 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 |
| 2066591/1 | 2022-05-06. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. DTC P263500 with symptom code -10061 - Noise from within the fuel tank. Customer statement - Engine warning light illuminated within the DIP And/or - Drive system fault warning within the DIP (Figure 1) Workshop findings - DTC P263500 - Fuel Pump A Low Flow/Performance evident within diagnostic address 01 and/or 11 - With symptom code 10061 - Noise from within the fuel tank (fuel pump) - Refer to the video on the Bentley hub referencing TPI 2066591/- Technical background Prior to conducting the instructions within this TPI, the retailer must check and confirm there are no other issues evident with the vehicle for example: - Misfire related DTCs - Low pressure fuel DTCs other than DTC P263500 - Damaged fuel hoses and pipes - Examine all hoses and pipes external of the fuel tank - Fuel leaks. |
| 2062080/5 | 2022-04-08. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Bentayga V8 Kovomo and V6 (Hybrid) - Fuel Pressure Regulation. 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 Misfire DTCs There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues, Measure: Check Engine Lamp Illumination with DTC P310B00 and symptom code 2636 - Engine Running Concerns, Fuel system issues -P310B00 Low Fuel Pressure Regulation symptom code 2636 -P014800 Fuel Deliver Error -P019100 Fuel Rail pressure Sensor A Circuit Range/Performance Misfire DTCs 1) If not already done, raise a DISS query. 2) Check Low fuel pressure, specified value and Fuel low pressure, actual value within the fault memory, refer to ECU 01 Engine Control Module 1 - From Extended ambient conditions note the values of the Low fuel pressure, specified value and Fuel low pressure, actual value as shown in Figure 1. |
| 2063657/2 | 2022-04-07. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. P245000 - EVAP System Switching Valve "A" Performance/Stuck Open DTC logged - Bentayga V8 Kovomo. Customer Statement: Emission control system warning light illuminated within the DIP (Figure 1) Figure 1 Workshop findings DTC P245000 - EVAP System Switching Valve "A" Performance/Stuck Open - With symptom code 11952. Measure: Fuel System vapours are extremely flammable. Please refer to the Repair manual "Fuel system - Safety precautions" before commencing with any fuel system procedures 1) Referring to the applicable wiring diagram conduct a wiring integrity check of the Leak Detection Pump wiring circuit and connectors 2) Perform a smoke test of the leak detection system - Monitor for any leaks 3) If no faults were found - Refer to Rep.Gr 20 - Replace the leak detection pump (V144) 4) Inspect the LDP for impact damage when extracted, the operative must provide feedback and photographic evidence (see example shown in Figure 2) via a new or existing DISS query |
| 2058484/6 | 2022-03-02. Service bulletin. FUEL SYSTEM, GASOLINE; 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. Measure: Check Engine Lamp Illumination with DTC P310B00 and symptom code 2638 1) For vehicles that only have the symptoms: - Check Engine Lamp Illumination with DTC P310B00 and symptom code 2638 with an Adaption of Fuel Pump (FP) figure of minus 100 to minus 200 kPa Figure 1 - the Fuel Delivery Module within the fuel tank should be replaced Figure 2 - Refer to Repair Group 20 Fuel supply, gas operation / 4.0L V8 TSI / Fuel pump, fuel level sensors, and jet pump (RH) To remove and fit. |
| 2062080/4 | 2022-03-02. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Bentayga V8 Kovomo - Fuel Pressure Regulation. 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 - Misfire DTCs There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues. Measure: Check Engine Lamp Illumination with DTC P310B00 and symptom code 2636 - Engine Running Concerns, Fuel system issues - P310B00 Low Fuel Pressure Regulation symptom code 2636 - P014800 Fuel Deliver Error - P019100 Fuel Rail pressure Sensor A Circuit Range/Performance - Misfire DTCs 1) If not already done, raise a DISS query. 2) Check Low fuel pressure, specified value and Fuel low pressure, actual value within the fault memory, refer to ECU 01 Engine Control Module 1 - From Extended ambient conditions note the values of the Low fuel pressure, specified value and Fuel low pressure, actual value as shown in Figure 1. |
| 2065926/1 | 2022-03-02. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Fuel pressure regulator - DTC P242200 with symptom code 14536 evident within address 0001. Customer statement / workshop findings Customer statement: The warning lamp for the emission control system is displayed within the DIP Workshop findings: DTC P242200 with Symptom Code 14536 - EVAP System Vent Valve Stuck Closed - DTC evident in Engine Control Module Address 0001. Measure VERY IMPORTANT: The following repair work MUST only be conducted by suitably qualified personal 1) Referring to Rep.Gr 20 - Replace the Pressure regulator assembly and associated components 2) Conduct a road test in EV Mode and/or Hybrid drive mode where possible 3) On return from road test - Check to confirm the issue is resolved and DTC P242200 is not evident within address 0001 |
| 2065148/1 | 2021-12-07. Service bulletin. ENGINE; ELECTRICAL SYSTEM; 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 Workshop findings and observations: - DTC P04F000: EVAP system high pressure purge line performance evident Observations when monitoring IDE12765 and IDE12766 Referring to Figure 1: IDE12765 (When monitored) fluctuates from the static value found (Ignition on/Engine Off) Or With/without purge activation However IDE12766 (When monitored) DOES NOT fluctuate from the static value found (Ignition on/Engine Off) Or With/without purge activation. Technical background: In the event the symptom described is evident the operative should carry out the instructions within the Measure section |
| 2055321/2 | 2021-09-04. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga W12 - DTC 310B00 - Low fuel pressure regulation. Customer statement / workshop findings: Engine stalling when the engine is started from cold (at idle) Or after a delayed cold start. These issues can trigger DTC 310B00: Low Fuel Pressure regulation, Fuel pressure outside specification The following symbol can also be displayed on the Driver Instrument Panel (DIP) in conjunction with an error message start/stop unavailable |
| 2062080/3 | 2021-08-07. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Bentayga V8 Kovomo - Fuel Pressure Regulation. 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 - 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 |
| 2063657/1 | 2021-08-07. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. P245000 - EVAP System Switching Valve A Performance/Stuck Open DTC logged - Bentayga V8 Kovomo. Customer Statement: Emission control system warning light illuminated within the DIP (Figure 1). Workshop findings: DTC P245000 - EVAP System Switching Valve A Performance/Stuck Open - With symptom code 11952 Technical background: Refer to the Measure section of this TPI |
| 2062080/2 | 2021-04-08. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga V8 Kovomo - Fuel Pressure Regulation. 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 - 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 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 |
| 2060081/2 | 2021-04-07. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Bentayga - Fuel Gauge - Guided Fault Finding DTCs B103E1B and/or B10581B evident within address 0046. Customer statement: Fuel gauge does not change during a long journey or after refuelling the vehicle and does not show full after filling the fuel tank. And/or Workshop findings: The following DTCs could be evident within diagnostic address 0046 – Comfort System Central Control Module - B103E1B: Fuel level sensor 1 Resistance too high - B10581B: Fuel level sensor 2 Resistance too high |
| 2058484/5 | 2021-03-05. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. 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 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.