Service bulletins for the 2018 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.
751 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
| 2054077/2 | 2020-08-08. 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. |
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| 2055643/2 | 2020-08-07. 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) |
| 2055217/2 | 2020-08-07. 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. |
| 2060205/1 | 2020-08-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Bentayga - Engine Cooling System - DTC P218100. Customer statement / workshop findings: Emission Control Lamp illuminated on Driver Instrument Panel. The time to reach the correct engine coolant operating temperature has increased. Diagnostic Trouble Code (DTC) P218100 - Cooling System Performance is stored in the Engine Control Module (ECM), the vehicle warm up time is longer when compared to other vehicles of the same type. Technical background: It is possible for the engine coolant Thermostat to corrode over time, this corrosion is due to an adverse reaction of the Thermostat material with the engine coolant. The corrosion and subsequent build-up of debris prevents the correct operation of the thermostat when closing, resulting in over cooling. The ECM triggers a DTC when the target engine temperature is outside of the specified parameter. |
| 2057999/2 | 2020-08-07. 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. |
| 2054300/2 | 2020-08-07. 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 |
| 2053177/12 | 2020-08-06. Service bulletin. ELECTRICAL SYSTEM. All Vehicle Variants - Spurious DTC List Condition: 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 |
| 2053177/11 | 2020-08-06. 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 |
| 2055036/3 | 2020-08-05. 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. |
| 2053177/10 | 2020-07-07. Service bulletin. ELECTRICAL SYSTEM. All Vehicle Variants - Spurious DTC List Condition: 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 Service: During routine diagnostic interrogation of vehicle systems use the attached document to determine the course of action to be taken. |
| 2058667/4 | 2020-06-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Bentayga W12 - Engine control modules - Software update - Emission service action (SC 20/07) Technical background Due to sub-optimal configuration of the OBD (On Board Diagnostics) system, which monitors emissions controlling components within the engine and exhaust system, some of the components may not be monitored as frequently as stipulated by the federal regulators The software additionally addresses concerns where the engine control modules display the following DTCs Remedy: Software update for the engine control modules |
| 2058667/2 | 2020-06-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Bentayga W12 - Engine control modules - Software update - Emission service action (SC 20/07) Technical background: Due to sub-optimal configuration of the OBD (On Board Diagnostics) system, which monitors emissions controlling components within the engine and exhaust system, some of the components may not be monitored as frequently as stipulated by the federal regulators The software additionally addresses concerns where the engine control modules display the following DTCs Remedy: Software update for the engine control modules |
| 2059392/1 | 2020-05-06. Service bulletin. ELECTRICAL SYSTEM. PDC system not working or PDC system false detection. Customer statement/workshop findings: PDC system not working or PDC system false detection Technical background Refer to the Measure section of this TPI |
| 2055517/2 | 2020-05-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. HVAC control module (SC19/14). Technical background: On all affected Bentayga vehicles, incorrect software in the HVAC control module can lead to functionality issues. Remedy: On all affected vehicles the software of the HVAC control module must be updated. |
| 2051519/6 | 2020-05-06. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. 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 DTC/s 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. |
| 2058484/1 | 2020-04-03. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Customer statement / workshop findings: Check Engine Lamp illuminated on Driver Instrument Panel (DIP) Diagnostic Trouble Code (DTC) P310B00 Low Fuel Pressure Regulation stored in the Engine Control Unit (ECU). DTC P014800 Fuel Delivery Error stored in the ECU. Misfire DTC stored in the ECU. Technical background: There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues, use the information contained within the Measure section to determine the correct analysis and repair procedure. |
| 2057962/2 | 2020-03-04. Service bulletin. ELECTRICAL SYSTEM. DTC's B1916F0 - B1916F3 - B191604 - Back up battery for emergency supply Customer statement / workshop findings: DTCs B19186F0 or B1916F3 or B191604 evident within address 0019 - Gateway (Data bus diagnostic interface control unit) - J533 Technical background: In the event any of the afore mentioned DTCs are evident within address 0019 - Gateway (Data bus diagnostic interface control unit) - J533 - Refer to the Measure section of this TPI Measure: Referring to Figure 1 - Replace the back up battery for emergency supply (Point A) |
| 2058477/2 | 2020-03-04. Service bulletin. ELECTRICAL SYSTEM. Bentayga - Button Module For Driving Profile Selection Customer statement / workshop findings: Button Module For Driving Profile Selection requires replacement. Technical background: There is an ongoing factory investigation into failures of the Button Module For Driving Profile Selection. Any Button Module For Driving Profile Selection that is removed due to a fault is to be returned fully assembled using the Warranty parts return process. Measure When removing the Button Module For Driving Profile Selection due to a fault condition, do not attempt to disassemble and rectify, once removed assemblies should be returned using the Warranty parts return process. |
| 2055254/2 | 2020-02-08. Service bulletin. ELECTRICAL SYSTEM. Top view/Rear view camera - guidelines not visible Condition: Guidelines not showing on display screen when reverse gear selected Technical Background: Due to legal requirements, changes have been made to the visibility of guidelines in the Top view and Rear view camera systems on all vehicles built from May 2018 in the following regions: USA Canada Mexico Puerto Rico On the Top view camera system the guidelines are not visible on first reverse gear selection after engine start, the guidelines are visible on the second selection and thereon after. If the PDC button is pressed the guidelines are always visible. On the Rear view camera system the guidelines are never visible. |
| 2058173/1 | 2020-02-08. Service bulletin. 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 |
| 2051187/5 | 2020-01-09. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Condition: Poor engine running, reduced power, engine warning lamp illuminated. Technical Background: Technical Product Information (TPI) to assist Retailers when diagnosing poor engine running or misfires. Service: The following TPI should be carried out sequentially to ensure the root cause and analysis of the concern are identified without unnecessary work or repetitive actions taking place. |
| 2055036/2 | 2020-01-09. Service bulletin. ELECTRICAL SYSTEM. Condition: 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. |
| 2051519/5 | 2020-01-09. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. Condition: 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 servomotor can become jammed causing HVAC operation issues. Service: The following repair should only be carried out on receipt of a valid customer complaint, any DTCs stored without a valid customer complaint should be ignored. |
| 2053177/6 | 2020-01-09. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Condition: 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 Service: During routine diagnostic interrogation of vehicle systems use the attached document to determine the course of action to be taken. |
| 2051562/5 | 2020-01-09. Service bulletin. ELECTRICAL SYSTEM. Condition: 12 Volt Battery test instruction 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 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.