P310B on the 2020 Bentley Bentayga
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 2058484/16 | 2026-07-31. Service bulletin. Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation. Customer statement / workshop findings: 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 DTC’s and symptoms present due to fuel pressure regulation or fuel supply issues in conjunction with the afore mentioned symptom/DTC |
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| 2058484/15 | 2026-03-06. Service bulletin. Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation. Customer statement / workshop findings: 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 DTC’s and symptoms present due to fuel pressure regulation or fuel supply issues in conjunction with the afore mentioned symptom/DTC |
| 2058484/14 | 2026-01-06. Service bulletin. 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) |
| 2058484/13 | 2025-03-26. Service bulletin. Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation. |
| 2058484.12 | 2023-05-05. Service bulletin. 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 |
| 2058484.11 | 2023-04-07. Service bulletin. 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 |
| 2062080.8 | 2023-02-02. Service bulletin. Bentayga V8 Kovomo and V6 (Hybrid) - Fuel Pressure Regulation - Numerous DTCs Customer Statement: -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 -P014800 Fuel Deliver Error -P019100 Fuel Rail Pressure Sensor (A) Circuit Range/Performance -P018B00 Fuel Pressor Sensor (B) Circuit Range/Performance with Symptom Code 17871 -Misfire DTCs |
| 2058484.10 | 2022-12-07. Service bulletin. 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. 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. 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 |
23 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.