{"nhtsa_id":10208438,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-03-02","date":"2022-02-11","document_id":"2058484/6","mfr_campaign":null,"replaces":null,"component":"FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10208438-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10208438-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10208438","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null}],"codes":["P310B"],"topics":[],"vehicles":[{"make":"BENTLEY","model":"BENTAYGA","year_from":2018,"year_to":2022,"match":"exact","vehicle_ids":["2018_bentley_bentayga","2019_bentley_bentayga","2020_bentley_bentayga","2021_bentley_bentayga","2022_bentley_bentayga"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}