WenmarOpen by Wenmar Pro

Service bulletins for the 2024 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.

178 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

Bulletins, newest first
2061195/42025-11-08. Service bulletin. ELECTRICAL SYSTEM. Telephone Functionality Complaint - Minimum Standards Required For Analysis Of Concerns.
2051187/122025-11-06. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Condition: • Poor engine running • Reduced power • Engine warning lamp illuminated • Symptom related DTC’s evident within the applicable engine control unit(s)
2068273/52025-11-06. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE. Multiple random misfired evident during PDI. Condition: Multiple random cylinder misfire DTC’s detected during PDI - DTC P030000: Random/Multiple Cylinder Misfire Detected (misfires on multiple cylinders) within the following control units: • V8 - ECM 1 - V8 (Address 01) ECM control unit • W12 - ECM 1 - (Address 01) and/or ECM 2 (Address 11)
2075786/22025-10-30. Service bulletin. ENGINE; ELECTRICAL SYSTEM; STRUCTURE:BODY; SEAT BELTS; AIR BAGS. Airbag, fire, accident (safety-related enquiry - reporting forms). There is a reporting obligation in the following cases: • Airbag/belt released/not released • General accident • Fire and scorching damage for all Bentley Vehicle models - every model year.
2068946/102025-10-23. Service bulletin. FUEL/PROPULSION SYSTEM; SUSPENSION; ELECTRICAL SYSTEM. Dynamic ride system warning visible - DTC P0B2500 logged within address 0021 (Battery Energy Control Module 2). Customer statement: Bentley dynamic ride system fault is displayed within the Drivers Instrument Panel (DIP)
2071131/52025-10-21. Service bulletin. ELECTRICAL SYSTEM. Measured values - Cycle recording instructions. Condition: In some cases Measured value traces may be requested in XML format for analysis by Product Support.
2069806/72025-10-07. Service bulletin. VISIBILITY/WIPER; ELECTRICAL SYSTEM; STRUCTURE:BODY. HVAC refrigerant leakage suspected or reports of a damp/musty smell within the cabin - Diagnosis guidelines
2077790/42025-10-07. Service campaign. POWER TRAIN; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. OBC Charging Efficiency MIL HW / SW Update (NAR Only) | Bentayga (Hybrid) | 24MY A Software update and gateway hardware change are required for Plug-in Hybrid vehicles built prior to BIL 5.5 This update must be applied to update the vehicles on board charger (OBC). Diagnostic address (00C6). The update resolves the potential triggering of the following fault: • "Control unit defective" error 0x100200 low_power_efficiency (TI=B200000) is registered in the OBC. Repeated occurrences of the identified error will result in MiL illumination
2078773/12025-08-29. Service bulletin. ELECTRICAL SYSTEM. Importance of Setting Delivery Date to Activate Full Customer Licenses | 24MY - Onwards. Condition: Customers may report a loss of connected services functionality approximately 12 months after vehicle handover.
2077790/32025-08-28. Service campaign. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. OBC Charging Efficiency MIL HW / SW Update (NAR Only) | Bentayga (Hybrid) | 24MY. A Software update and gateway hardware change are required for Plug-in Hybrid vehicles built prior to BIL 5.5 This update must be applied to update the vehicles on board charger (OBC). Diagnostic address (00C6). The update resolves the potential triggering of the following fault: • "Control unit defective" error 0x100200 low_power_efficiency (TI=B200000) is registered in the OBC. Repeated occurrences of the identified error will result in MiL illumination.
2077846/22025-07-29. Service campaign. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. OBC Charging Efficiency MIL SW Update (NAR Only) | Bentayga (Hybrid) | 24MY. Technical background: A Software update is required for Plug-in Hybrid vehicles built prior to BIL 5.5 This update must be applied to update the vehicles on board charger (OBC). Diagnostic address (00C6
2077790/22025-07-29. Service campaign. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. OBC Charging Efficiency MIL HW / SW Update (NAR Only) | Bentayga (Hybrid) | 24MY. Technical background: A Software update and gateway hardware change are required for Plug-in Hybrid vehicles built prior to BIL 5.5 This update must be applied to update the vehicles on board charger (OBC). Diagnostic address (00C6).
2050542/82025-07-08. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; VISIBILITY/WIPER. Front Exterior Lighting Steamed Up/Leaks | 12-24MY.
2069806/62025-07-08. Service bulletin. VISIBILITY/WIPER; ELECTRICAL SYSTEM. HVAC refrigerant leakage suspected or reports of a damp/musty smell within the cabin - Diagnosis guidelines.
2077846/12025-07-01. Service campaign. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. OBC Charging Efficiency MIL SW Update (NAR Only) | Bentayga (Hybrid) | 24MY. A Software update is required for Plug-in Hybrid vehicles built prior to BIL 5.5 This update must be applied to update the vehicles on board charger (OBC). Diagnostic address (00C6). The update resolves the potential triggering of the following fault: • "Control unit defective" error 0x100200 low_power_efficiency (TI=B200000) is registered in the OBC. Repeated occurrences of the identified error will result in MiL illumination.
2077790/12025-07-01. Service campaign. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. OBC Charging Efficiency MIL HW/SW Update (NAR Only) | Bentayga (Hybrid) | 24MY, A Software update and gateway hardware change are required for Plug-in Hybrid vehicles built prior to BIL 5.5 This update must be applied to update the vehicles on board charger (OBC). Diagnostic address (00C6). The update resolves the potential triggering of the following fault: • "Control unit defective" error 0x100200 low_power_efficiency (TI=B200000) is registered in the OBC. Repeated occurrences of the identified error will result in MiL illumination.
2075786/12025-06-06. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY; ELECTRICAL SYSTEM; AIR BAGS; SEAT BELTS. Airbag, fire, accident (safety-related enquiry - reporting forms). There is a reporting obligation in the following cases: • Airbag/belt released/not released • General accident • Fire and scorching damage for all Bentley Vehicle models - every model year.
2077529/22025-06-05. Service campaign. SEATS; ELECTRICAL SYSTEM. Seat Fans Inoperative | All Models | 17-25MY. Condition: Customer may report that the seat ventilation system is not functioning with no airflow from the seat ventilation ducts.
2077529/12025-06-05. Service bulletin. ELECTRICAL SYSTEM; SEATS. Seat Fans Inoperative | All Models | 17-25MY
2051187/112025-05-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Condition: • Poor engine running • Reduced power • Engine warning lamp illuminated • Symptom related DTC’s evident within the applicable engine control unit(s)
2071190/22025-05-07. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER; STRUCTURE:BODY. HVAC failing to cool | DTC B16A1F0 in diagnostic address 00C5 | Bentayga Series (Hybrid) | 23MY - 25MY. Customer statement: HVAC system is not cooling. Workshop findings DTC B16A1F0 - Refrigerant shut-off valve Icing - water load too high, evident within diagnostic address 00C5.
2068273/42025-03-28. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE. Multiple random misfires evident during PDI. Condition: Multiple random cylinder misfire DTC’s detected during PDI - DTC P030000: Random/Multiple Cylinder Misfire Detected (misfires on multiple cylinders) within the following control units: • V8 - ECM 1 - V8 (Address 01) ECM control unit • W12 - ECM 1 - (Address 01) and/or ECM 2 (Address 11)
2071131/32025-03-28. Service bulletin. ELECTRICAL SYSTEM. Measured values - Cycle recording instructions. Condition: In some cases, Measured value traces may be requested in XML format for analysis by Product Support
2057978/82025-03-27. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine Lubricating Oil - Replenishment. Condition: Engine lubricating oil lamp illuminated on driver instrument panel. Engine lubricating oil requires “topping up” between services.
2062080/102025-03-26. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE; ELECTRICAL SYSTEM. Bentayga V8 Kovomo and V6 (Hybrid) - Fuel Pressure Regulation - Numerous DTC's.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.