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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.

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By trouble code

Only bulletins with component: Fuel system are shown. Show all

Bulletins, newest first
2066591/12022-05-06. 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.
2062080/52022-04-08. 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.
2063657/22022-04-07. 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
2058484/62022-03-02. 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.
2062080/42022-03-02. 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.
2055321/22021-09-04. 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
2062080/32021-08-07. 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
2063657/12021-08-07. 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
2062080/22021-04-08. 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
2060081/22021-04-07. 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
2058484/52021-03-05. 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
2062092/12021-03-05. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. 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) Workshop findings: DTC P304300 with symptom code (10061) - Fuel Pump Mechanical Malfunction evident Technical background: Refer to the Measure section of this TPI
2058484/42021-01-08. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga V8 Kovomo - Check Engine Lamp - 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 Low Fuel Pressure Regulation. P014800 Fuel Deliver Error. P019100 Fuel Rail pressure Sensor Circuit Range/Performance. Misfire DTC. There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues
2058484/32020-12-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Bentayga V8 Kovomo - Check Engine Lamp - 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 Low Fuel Pressure Regulation P014800 Fuel Deliver Error P019100 Fuel Rail pressure Sensor Circuit Range/Performance Misfire DTCs There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues
2058484/22020-10-06. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE; ELECTRICAL SYSTEM. Bentayga - Check Engine Lamp - Fuel Pressure Regulation. Customer statement / workshop findings Check Engine Lamp illuminated on Driver Instrument Panel (DIP) Diagnostic Trouble Code (DTC) P310B00 Low Fuel Pressure Regulation stored in the Engine Control Unit. DTC P014800 Fuel Delivery Error stored in the Engine Control Unit. Misfire DTC stored in the Engine Control Unit. Technical background There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues, use the information contained within the Measure section to determine the correct analysis and repair procedure.
2060081/12020-09-05. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Bentayga - Fuel Gauge - Symptom Based Guided Fault Finding Customer statement / workshop findings: Fuel gauge does not change during a long journey or after refuelling the vehicle and does not show full after filling the fuel tank. No Diagnostic Trouble Code (DTC) stored in Convenience Control Unit for the customer complaint. Technical background: With a customer complaint of Fuel gauge does not change after long journey or after refuelling and does not show full after filling the fuel tank the Symptom-based Guided Fault Finding allows for optimised and specific analysis, this is recommended if no DTC is logged in the convenience control unit.
2058484/12020-04-03. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Customer statement / workshop findings: Check Engine Lamp illuminated on Driver Instrument Panel (DIP) Diagnostic Trouble Code (DTC) P310B00 Low Fuel Pressure Regulation stored in the Engine Control Unit (ECU). DTC P014800 Fuel Delivery Error stored in the ECU. Misfire DTC stored in the ECU. Technical background: There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues, 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.