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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.

By type

By component

By trouble code

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

Bulletins, newest first
2061369/142026-09-09. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine Overheating - Warning in the DIP | V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident • Engine overheat warning in the DIP (Engine overheating) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649
2061369/132026-09-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine Overheating - Warning in the DIP | V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident: • Engine overheat warning in the DIP (Engine overheating) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649
2078373/42026-09-03. Service bulletin. VISIBILITY/WIPER; STRUCTURE:BODY; ELECTRICAL SYSTEM. Sunroof blind not retracting | Bentayga Series. Customer may report that the sunroof blind is stuck in the closed position and cannot be opened using interior controls. The Sunroof blind is stuck due to uneven/ruffled or crumped during open or closing
2081085/22026-08-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. V8 Engine - Ticking Noise, Misfiring and Possible Low Oil Pressure Indications. Customer statement: The customer may report an audible ticking noise from the top of the engine, low oil pressure warnings / MIL on the Driver Information Panel, and/or misfiring during engine operation
2073377/42026-08-06. Service bulletin. WHEELS; ELECTRICAL SYSTEM. TPMS - Warning within the Drivers Information Panel (DIP) - Tyre pressure sensor - Low battery.
2078373/32026-08-06. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY/WIPER. Sunroof blind not retracting | Bentayga Series.
2082308/12026-08-06. Service bulletin. ELECTRICAL SYSTEM. Satellite Values Not Displayed in MVBs - J949 Emergency Call Control Module (Conbox). Customer statement / workshop findings: During diagnosis using ODIS, Measured Value Blocks (MVBs) for: Visible satellites, tracked satellites (within J949 Emergency Call Control Module – Conbox) may display blank or no value. This condition may be interpreted as a GPS reception fault, antenna issue or connectivity malfunction. Diagnostic logs may also show absence of satellite values.
2051187/132026-08-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Customer statement / workshop findings: • Poor engine running • Reduced power • Engine warning lamp illuminated • Symptom related DTC’s evident within the applicable engine control unit(s)
2059392/72026-08-05. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS. Bentayga - PDC system not working or PDC system false detection. Customer statement: • PDC system not working or PDC system false detection • Warning evident within the DIP
2080680/22026-08-04. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY/WIPER. Organ stop air regulator jammed / broken / electrical value wrong reading. Customer Statement: Airflow from the organ stops (air regulators) is not functioning correctly; vents may be stuck, broken, or showing incorrect operation.
2080901/22026-08-04. Service bulletin. ELECTRICAL SYSTEM. Sporadic entries - Nano connector contact testing. Customer statement / workshop findings: Sporadic entries in control units that use Nanotype terminals, including the airbag control unit J234, the engine control unit J623 and the emergency call and communication unit J949. These may be accompanied by intermittent electrical behaviour or repeated DTCs after earlier diagnostic checks.
2055036/92026-08-04. Service bulletin. ELECTRICAL SYSTEM. My Bentley - Connected services. Customer statement / workshop findings: Complaints relating to My Bentley connected services.
2068273/62026-08-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Multiple random misfires evident during PDI.
2065664/62026-08-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Bentayga V8 Kovomo - Engine MIL light on - DTC “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2. Customer statement / workshop findings: DTC P004100: “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 is evident within address 0001 (Engine control unit) and MIL light active after attempting to conduct a readiness test
2081236/22026-08-01. Service bulletin. ENGINE; VISIBILITY/WIPER; ELECTRICAL SYSTEM. Loss of Cabin Heat During Engine Operation | Bentayga - V8. Customer Statement: Customers may report that the air conditioning system blows only cold air when the engine is running. Warm air is only available after switching off the engine. The concern is commonly reported after engine removal or recent repair work.
2071190/42026-08-01. Service bulletin. ENGINE; VISIBILITY/WIPER; ELECTRICAL SYSTEM. HVAC failing to cool | DTC B16A1F0 in diagnostic address 00C5 | Bentayga Series (Hybrid).
2075922/42026-08-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM. High pitched whistle from the engine - Warning light within the DIP - Engine not running smoothly - Numerous DTC's. Customer statement/Workshop findings: • Emission control warning light evident within the DIP • Engine not running/idling smoothly • High pitched whistle from the right and left hand side of the engine TIP: Refer to video within the Bentley Hub referencing TPI 2075922/- • A selection of DTC’s are evident (as per TPI Event memory entries)
2071933/52026-08-01. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY/WIPER. Headlamp Control Unit Replacement | Bentayga and Flying Spur. Customer statement / workshop findings: Headlamp low beam / high beam malfunction / operational issues (Inner lamp) Or Daytime running light malfunction / operational issues (Inner lamp) Or Turn signal malfunction / operational issues (Outer lamp)
2065926/62026-08-01. Service bulletin. ENGINE; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Fuel pressure regulator - DTC P242200 with symptom code 14536 evident within address 0001. Customer statement: The warning lamp for the emission control system is displayed within the DIP
2058484/162026-07-31. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; ENGINE. 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
2063729/62026-07-31. Service bulletin. ELECTRICAL SYSTEM. Fitment of control modules from donor vehicles for test purposes.
2055664/42026-07-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE. DTC P14AB00 and/or other related exhaust flap DTC's - Warning lamp evident within the DIP.
2028808/102026-07-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Service info: Engine oil – Specific oil type and oil consumption reference.
2057978/102026-07-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine Lubricating Oil - Replenishment. Customer statement / workshop findings: Engine lubricating oil lamp illuminated on driver instrument panel. Engine lubricating oil requires “topping up” between services.
2075318/52026-07-30. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Engine light in the DIP - Various Camshaft adjuster DTC’s logged within the Engine Control Module(s).

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