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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
2066236/42024-04-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. Unintended sounding of the Alarm siren - Following activation of the ignition or whilst the vehicle is left standing. Customer statement: Unintended sounding of the alarm siren following activation of the ignition Or Unintended sounding of the alarm siren whilst the vehicle is left standing. Workshop findings: - B131DF5: alarm system siren supply voltage lower limit value less than - B131D29: sirens / alarm horn for anti-theft warning system Range/Performance - B131D29: anti-theft alarm system siren / alarm horn signal, not valid
2073231/12024-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Loading system message in the Infotainment screen (screen stuck). Customer statement / workshop findings: The Infotainment system is stuck on the loading screen. - Loading system, please wait message is visible on the Infotainment screen.
2068946/62024-04-06. Service bulletin. SUSPENSION; EQUIPMENT; ELECTRICAL SYSTEM. DTC P0B2500 logged within address 0021 (Battery Energy Control Module 2) - Dynamic ride system warning visible. Customer statement: Bentley dynamic ride system fault is displayed within the Drivers Instrument Panel (DIP). Workshop findings: DTC P0B2500 - Hybrid/EV Battery "A" Voltage low is stored within address 21- Battery Energy Control Module 2.
2073021/12024-03-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. The Netflix application cannot be updated within the (BYOC) rear seat entertainment system. Customer statement / workshop findings: Netflix application update prompt is shown within the (BYOC) rear seat entertainment system. Technical background: In the event the issue described is evident the operative should conduct the instructions within the Measure section.
2061369/62024-03-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine overheating - Warning on the DIP - V8 Kovomo. Customer statement / workshop findings: - Customer reports an engine overheat warning within the DIP - Engine overheating - Unusual cooling fan operation at high temperatures - There are no obvious signs of coolant leaks both internally or externally Workshop findings - P19F700: Low engine coolant temperature indicator lamp Coolant too warm - Signs of coolant in the vacuum hoses (Refer to the video on the Bentley Hub referencing TPI 2061369.
2065148/42024-03-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. V8 Kovomo - Engine MIL light on - DTC P04F000: EVAP system high pressure purge line performance evident. Customer statement / workshop findings: - Engine MIL light illuminated within the DIP Workshop findings and observations: - DTC P04F000: EVAP system high pressure purge line performance evident.
2058573/42024-03-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. DTC P04F000 EVAP system high pressure purge line performance DTC logged. Customer statement / workshop findings: Emission control system warning light illuminated within the DIP. Workshop findings: DTC P04F000 EVAP system high pressure purge line performance DTC evident within the engine control unit Technical background: The DTC is related to mismatched terminal locations of the Pressure sensor for the activated charcoal filter system G804.
2072732/12024-03-05. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Customer reports the electric driving range is not as expected. Technical background: To confirm the vehicle is operating correctly and being driven efficiently, the guidelines within the Measure section should be followed (Subject to a genuine customer complaint) By following the guidelines within the Measure section (depending on vehicle type) it should then be possible to determine if the vehicle is operating within specification.
2068946/52024-03-05. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM. DTC P0B2500 logged within address 0021 (Battery Energy Control Module 2) - Dynamic ride system warning visible. Customer statement / workshop findings: Bentley dynamic ride system fault is displayed within the Drivers Instrument Panel (DIP) Workshop findings: DTC P0B2500 - Hybrid/EV Battery "A" Voltage low is stored within address 21- Battery Energy Control Module 2.
2071575/22024-03-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bentayga V8 Kovomo - DTC P227900 evident within the engine control unit 0001. Customer statement / workshop findings: - Engine warning lamp illuminated within the Driver Instrument Panel (DIP) - DTC P227900 is evident within Engine control unit 0001 in conjunction with DTC P030000 - Whistle noise may also be evident from the engine.
2066502/32024-01-09. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Charging starts and stops when using a high voltage charging unit - DTC P33E800 is evident within 00C6. Customer statement / workshop findings: - When using a high voltage charging unit to charge the high voltage battery, charging starts and is then interrupted/stops Workshop findings The following DTC is also evident: - P33E800: Charge socket A, charge connector lock mechanical malfunction - passive/sporadic.
2071933/12024-01-09. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlamp control unit replacement and/or turn signal control unit replacement. 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).
2059149/52024-01-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Engine Oil - Consumption - V8 Kovomo. Customer statement / workshop findings: Engine oil warning lamp illuminated within the Drivers Instrument Panel (DIP) Engine oil requires topping up between services. Excessive engine oil consumption.
2070041/22024-01-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Coolant warning lamp within the DIP - One or a combination of DTC's is evident P218100 - P017B00 - P017C00 - P017E00. Customer statement: Customer reports a red engine coolant overheat warning within the DIP Workshop findings. One or a combination of the following DTCs are evident within the engine control unit: - P218100 - Malfunction in cooling system - P017B00 - Cylinder head temperature sensor implausible signal - P017C00 - Cylinder head temperature sensor short circuit to ground - P017E00 - Cylinder head temperature sensor open circuit/loose contact.
2063410/62024-01-04. Service bulletin. ELECTRICAL SYSTEM. Infotainment Main unit (5F / J794) fault finding/diagnosis procedure. Customer statement / workshop findings: Issue suspected with the Infotainment Main unit (5F / J794) - For example: - MMI screen image flickers or goes blank - No response to selection - Audio cuts out.
2054599/92024-01-04. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Diagnosis guidelines relating to Headlamp operation/Daytime running lights (Inner lamp) and/or Turn signal (Outer lamp). Customer statement / workshop findings: Operational issues are evident with one or a combination of the following: - 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) Or Numerous static and/or intermittent DTCs are evident within the left light control unit (Diagnostic address D6) and/or the right light control unit (Diagnostic address D7)
2071525/22024-01-03. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. Driver / Passenger door(s) creak on close - All models (front and / or rear). Customer statement / workshop findings: Driver and / or Passenger door creak during the Power close function - Front and / or rear (Depending on vehicle type).
2071525/12024-01-03. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES. Driver / Passenger door(s) creak on close - All models (frond and/or rear). Customer statement / workshop findings: Driver and / or Passenger door creak during the Power close function - Front and / or rear (Depending on vehicle type) Technical background: Ensure the fault is as described within the Customer statement Workshop findings section before continuing.
2066040/32023-12-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Oil leak from the oil separator/breather connection - Intake manifold whistle - Engine warning lamp illuminated. Customer statement - Engine warning lamp illumintaed within the DIP And/or - Whistling noise(s) from the Inlet manifold Workshop findings: Oil leak between the oil separator tank and the Bank 1 breather line connection
2072055/12023-12-07. Service bulletin. ELECTRICAL SYSTEM. Spurious DTC identification. Customer statement / workshop findings: Customers will not be aware of any DTCs, workshop operatives may discover spurious DTCs whilst running Guided Fault Finding (GFF) when using ODIS Technical background: To determine the course of action which should be taken the operative should refer to the Bentley Hub referencing the following: Spurious DTC list for TPI 2072055 The document contains all known spurious DTCs for all applicable vehicle variants.
2058423/112023-12-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. New Continental GT/GTC, New Flying Spur and Bentayga - Low Oil Pressure Warning During Early Vehicle Life - W12 only. Customer statement / workshop findings: Warning on the Driver Instrument Panel (DIP) - Oil pressure too low DTCs relating to oil pressure may also be stored within the Master ECU. Diagnostic Trouble Codes (DTC) P052400: Engine Oil Pressure Too Low and/or P15AA00: Engine oil pressure - Lower limit not reached stored in the Master Engine Control Unit (ECU).
2063070/32023-12-07. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Bentayga - Auxiliary tail lights in bumper operating instead of main tail lights when not intended. Customer statement / workshop findings: The auxiliary tail lamps in the rear bumper are illuminated instead of the main tail lamps with the tailgate closed, there is no fault with the main tail lamps.
2063855/92023-12-06. Service bulletin. LANE DEPARTURE; STEERING; ELECTRICAL SYSTEM. DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5. Customer statement: Lane Assist and/or Traffic Assist are not functional Workshop findings: - DTC - B17B801 - Steering Wheel Touch Recognition Control Module evident within address 0019 And/or - DTC B17B804 - Steering Wheel Touch Recognition Control Module electrical error - evident within address 0019 And/or - DTC U112300 with symptom Code 1123220 within address 00A5.
2071047/32023-12-06. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS; SEAT BELTS. DTC B101C29 and/or DTC B101D29 evident within the airbag control unit (J234). Customer statement / workshop findings: One or a combination of the following DTCs are evident within the airbag control unit (J234) B101C29: Driver seat belt switch implausible signal And/or B101D29: Front passenger side safety belt switch implausible signal Technical background: Refer to the Measure section of this TPI ensuring all steps are followed to completion depending on the side in which the issue is evident (driver and/or passenger).
2071149/22023-12-06. Service bulletin. ELECTRICAL SYSTEM. Testing electrical circuits - Diagnosis guidelines - Training videos. Customer statement / workshop findings: Technical DISS queries with extended downtime can be caused by incorrect diagnosis and testing of the vehicles electrical circuits In a small number of isolated cases basic electrical faults were found to be overlooked. Technical background: The information within this TPI has been generated to make retailers aware of two specific videos (Figure 1) Advanced Vehicle Electrics - Measurements of Circuits Video - Voltage drop testing - Voltage drop testing using the VAS 6356 scope Advanced Vehicle Electrics - Actuators & Voltage Supply Diagnosis - Terminal drag testing

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