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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.

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By component

By trouble code

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

Bulletins, newest first
2051562/62020-12-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. All Models - 12 Volt Battery condition checks. Technical background For all 12 volt battery issues relating to warranty or a parts warranty claim, a DISS query MUST be raised prior to battery replacement, refer to the instructions within the Measure section of this TPI.
2060895/12020-12-02. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Rear tail lamp flashes - After opening an exterior door - With the vehicle unlocked. Technical background: Should the car go into bus silence with the car unlocked, on door opening, there is a <100ms flash of the rear lamps. Due to BCM2 supplying power to the rear lamp immediately, there is a delay in establishing communication, which causes the tailgate lamp to activate for <100ms. A software fix for this issue adds a 1 second delay upon power being supplied to the lamp
2061173/12020-11-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Infotainment screen goes blank - Connecting to apple CarPlay. Customer statement/workshop findings: Infotainment system locks up and displays a blank screen when attempting to connect Apple CarPlay (Figure 1) Technical background: Should the symptoms be the same as the description within the Customer statement/workshop findings section, the operative must carry out the instructions within the Measure section of this TPI Please Note: There are instructions for both Wireless and Wired Connections
2053177/132020-11-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. All Vehicle Variants - Spurious DTC List. Customer statement / workshop findings Customer will not be aware of any fault codes. Workshop may discover spurious fault codes whilst running a Diagnostic Trouble Code (DTC) log as part of other investigations on the vehicle. Technical background The attached document contains all of the current known Spurious DTCs for all vehicle variants. Should a particular TPI be listed as Archived within the attached document the TPI can no longer be viewed within Elsa pro, in this case please refer to the instructions with the attached document regarding the DTC description and actions (if any) which should be conducted
2058173/22020-11-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Electrical switch replacement guidelines. Customer statement/workshop findings: Electrical switch suspected as defective This TPI is not applicable to suspected faulty control units or any component related to the passive restraint system in particular the airbag system Technical background: Prior to replacing an electrical switch refer to the Measure section of this TPI
2051519/72020-11-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. HVAC operation issues/HVAC Motor defect DTCs logged. Customer statement/workshop findings: HVAC operation issue and HVAC motor defect (DTCs) evident within address 08 Climatronic control unit, the DTCs can be static or sporadic, for example: B108D09: Right temperature flap positioning motor - Component defect Technical background: The HVAC motor/s can become jammed causing HVAC operation issues.
2054599/62020-11-03. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlamp operation issues. Customer statement / workshop findings: Headlamp operation issues Technical background: DTCs evident within the left light control unit (Diagnostic address D6) and/or the right light control unit (Diagnostic address D7) There are numerous static and intermittent DTCs which may be evident within the previously mentioned control units, ensure all steps within the Measure section are strictly adhered to
2058423/42020-11-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. New Continental GT/GTC, New Flying Spur and Bentayga Speed - Low Oil Pressure Warning During Early Vehicle Life 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) Technical background: CAUTION: DO NOT CONTINUE WITH THIS DOCUMENT IF THE ENGINE EXHIBITS ANY ABNORMAL MECHANICAL NOISE OR HAS AN ENGINE LUBRICATING OIL LEAK SEEK FURTHER ADVICE THROUGH A NEW OR EXISTING DISS QUERY
2060557/12020-10-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Wifi function not activated within the TSR (SC 20/24). Technical background The Touch Screen Remote (TSR) is unable to determine its current Wifi state, the TSR Wifi should be activated by ODIS during PDI process (for example), However previous ODIS versions do not allow this, leaving some TSR features unavailable Once activated, more features are available, for example the ability to change the Media and the Radio station from the TSR. NOTE: Please see the onward examples regarding Wifi activation confirmation for New Flying Spur and Bentayga New Flying Spur NOTE: Figures 1 and 2 are examples only, the image may look different depending on the specification of the audio system Referring to Figure 1 - The red cross shows an example of a partially functional TSR (Without Wifi activation Please Note - The Function currently not available message )
2060581/12020-10-06. Service bulletin. STRUCTURE; LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. Bentayga - Boot open/close function inoperative. Boot operational issues For example: The boot does not open/close as expected Technical background: NOTE: The operative MUST submit the following information to a new DISS or existing DISS query relating to boot operational issues: Completed check list Images of the vehicle condition - In particular the boot area (Ensure license plate and VIN details are not visible) Video of the failure NOTE: Please capture (when possible) the rear of the vehicle for at least one open/close operation before zooming in or moving closer to the issue, the video MUST be recorded in a quiet environment Battery health as Rep.Gr 27 - Print out of the results and attach to the DISS query NOTE: Please ensure any other findings or issues relating to the boot are clearly described within the DISS query Do No
2060823/12020-10-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Radio: Reception complaints. Customer statement / workshop findings: All complaints which are related to radio reception issues Technical background: Complaints about the radio reception can have many causes. The radio reception strength/quality at the vehicle location can be an important issue. To process such complaints as effectively as possible it is important to precisely record the circumstances when a complaint occurs. The attached check list is available for this purpose. Please ensure the instructions within the Measure section are strictly adhered to
2060390/12020-09-05. Service bulletin. ELECTRICAL SYSTEM. Kombi Software & MIB3 Software update (SC 20/22). Technical background: Incorrect outside air temperature displayed, the issue relates to an incorrect algorithm used by the supplier NOTE: The temperature is incorrect in Fahrenheit only, the temperature is correct when displayed in Celsius Update also required to improve the performance of Sirius XM radio Remedy: Software updates to Electronic information systems control unit 1 (J794) MIB 3 and the Drivers instrument panel (DIP) (J285)
2054077/32020-09-05. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Bentayga - Ticking noise behind Driver Instrument Panel Customer statement / workshop findings: Ticking noise behind the Driver Instrument Panel. Technical background: In certain circumstances a ticking noise behind the Driver Instrument Panel may be audible within the vehicle cabin. The ticking noise emanates from the vacuum system and may be more noticeable following several successive brake pedal actuations. Refer to the video on the Bentley Hub referencing TPI 2054077/3 If the complaint noise is as shown in the video, the customer should be advised that this is normal and does not represent a failure or malfunction on the vehicle
2060081/12020-09-05. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Bentayga - Fuel Gauge - Symptom Based Guided Fault Finding Customer statement / workshop findings: Fuel gauge does not change during a long journey or after refuelling the vehicle and does not show full after filling the fuel tank. No Diagnostic Trouble Code (DTC) stored in Convenience Control Unit for the customer complaint. Technical background: With a customer complaint of Fuel gauge does not change after long journey or after refuelling and does not show full after filling the fuel tank the Symptom-based Guided Fault Finding allows for optimised and specific analysis, this is recommended if no DTC is logged in the convenience control unit.
2049586/62020-08-08. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Misfiring, W12 TSI - Excessive carbon build up cylinder leakage. Customer statement/workshop findings: Customer statement: Emission control warning signal displayed, engine misfire Workshop findings: Event entries in engine control unit relating to cylinder misfires excessive carbon build up to leading to cylinder leakage and spark plug foul Technical background: Deviations in the country-specific fuel specifications can lead to carbon deposits on the injectors. If pronounced these deposits can lead to spark plug fouling, cylinder leakage and fouled injectors all influencing combustion in the cylinder. As a result the above event entries are logged in the engine control unit
2036678/32020-08-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Speaker Replacement - Diagnostic checks. Customer statement/workshop findings: Audio output from speakers is distorted Technical background: There have been instances where door speakers have been changed under warranty for the complaint of sound distortion, yet when tested by ourselves and the supplier, no fault could be found with the returned unit.
2054077/22020-08-08. Service bulletin. ENGINE; SERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Bentayga - Ticking noise behind Driver Instrument Panel. Customer statement/workshop findings: Ticking noise behind Driver Instrument Panel. Technical background: In certain circumstances a ticking noise behind the Driver Instrument Panel may be audible within the vehicle cabin. The ticking noise emanates from the vacuum system and may be more noticeable following several successive brake pedal actuations.
2055643/22020-08-07. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; SUSPENSION:REAR. Software incompatibilty between J775 (Address 74) - J924 (Address D4) and J1096 (Address D5). Customer statement / workshop findings After replacing the software or hardware for the Adaptive suspension control unit (J775 Diagnostic address 74) or the Front Roll stabilisation control unit (J924 Diagnostic address D4) and/or the Rear Roll stabilisation unit (J1096 Diagnostic address D5) the software could be incompatible between the control units Technical background The Adaptive air suspension control unit (J775) functions as a universal control unit for the chassis control systems. The Adaptive air suspension control unit (J775) controls several functions in the car in particular the master for the active roll control system, The control unit contains developed suspension and damping control software. Should one of the modules be replaced for example (J775) on an early model vehicle the newer software contained within the replacement control unit may not be compatible with (J924) and/or (J1096)
2055217/22020-08-07. Service bulletin. EQUIPMENT; SUSPENSION:REAR; ELECTRICAL SYSTEM. Rear end lowering function does not work. Customer statement/workshop findings: The rear end lowering is intermittently not available and at least one of the two event entries is logged in the running gear control unit (diagnosis address 0074): C11B515 : Button for high load level, interruption/short circuit to positive C11B615 : Button for low load level, interruption/short circuit to positive Technical background: If the button for the rear end lowering is unintentionally operated when driving (for example by objects in the boot), the rear end lowering is sporadically not available. At least one of the two event entries C11B515/ C11B615 is logged.
2057999/22020-08-07. Service bulletin. ELECTRICAL SYSTEM. Garage door opener remote with a frequency of 315MHz will not program to vehicle HomeLink. Customer statement / workshop findings: Customer states: Unable to program their garage door opener to the vehicle. Message displayed in MMI: An error occurred during programming. Would you like to try again? Workshop findings: Customer supplied remote control will not program to customer vehicle, but may program to other vehicles. Other garage door opener remotes may pair to the customer vehicle. This TPI is only valid for cars with "lane change assist" fitted Technical background: Under certain circumstances the radio signal of the customer’s remote control may not be adapted to the vehicle.
2054300/22020-08-07. Service bulletin. ELECTRICAL SYSTEM. Bentley Dynamic ride system fault within the DIP - DTC C129600 logged. Customer statement / workshop findings: Bentley Dynamic ride system fault (Figure 1) within the Drivers Information Panel (DIP) with DTC C129600 logged within the Front anti roll bar control unit (Diagnostic address D4) and/or the Rear anti roll bar control unit (Diagnostic Address D5) Technical background: Should the symptoms be evident as described, refer to the Measure section of this TPI, ensure both of the suggested earth points are checked regardless if the DTC is logged in the front or rear anti roll bar control unit
2053177/112020-08-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Customer statement / workshop findings Customer will not be aware of any fault codes. Workshop may discover spurious fault codes whilst running a Diagnostic Trouble Code (DTC) log as part of other investigations on the vehicle. All Vehicle Variants - Spurious DTC List Technical background The attached document contains all of the current known Spurious DTCs for all vehicle variants. Should a particular TPI be listed as Archived within the attached document the TPI can no longer be viewed within Elsa pro, in this case please refer to the instructions with the attached document regarding the DTC description and actions (if any) which should be conducted
2055036/32020-08-05. Service bulletin. ELECTRICAL SYSTEM. My Bentley - Connected services. Customer statement / workshop findings: Complaints relating to My Bentley connected services. Technical background: Most queries and complaints regarding My Bentley connected services can be resolved by contacting My Bentley Support rather than raising a DISS technical query.

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