Service bulletins for the 2018 Bentley Mulsanne
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.
175 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
| 2058173/2 | 2020-11-07. 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 |
|---|---|
| 2058586/2 | 2020-11-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Bentayga and Mulsanne - Rear Entertainment Tablet - Battery Replacement. Customer statement / workshop findings: Message on Bentley Rear Entertainment Tablet: The battery is defective Please contact your Bentley dealer. Technical background: The Bentley Rear Entertainment Tablet incorporates battery voltage protection, under certain conditions this system can prevent the internal battery from accepting a charge current, this would normally require the Tablet to be replaced. This TPI provides the necessary information to replace the Tablet internal battery pack. |
| 2060823/1 | 2020-10-06. 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 |
| 2058586/1 | 2020-09-05. Service bulletin. ELECTRICAL SYSTEM. Bentayga and Mulsanne - Rear Entertainment Tablet - Battery Replacement Customer statement / workshop findings Message on Bentley Rear Entertainment Tablet The battery is defective Please contact your Bentley dealer . Bentley Rear Entertainment Tablet will not accept a charge current. Technical background The Bentley Rear Entertainment Tablet incorporates battery voltage protection, under certain conditions this system can prevent the internal battery from accepting a charge current, this would normally require the Tablet to be replaced. This TPI provides the necessary information to replace the Tablet internal battery pack. |
| 2043897/2 | 2020-08-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Mulsanne - No volume. Customer statement/workshop findings: No volume/sound from the Infotainment system Technical background: Software update required to reinstall the functionality of the sound/volume |
| 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 |
| 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. |
| 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 |
| 2038035/1 | 2020-01-17. Service bulletin. ELECTRICAL SYSTEM. Continental Series, Flying Spur and Mulsanne - Main harness identification Customer statement / workshop findings: Should an issue be diagnosed or reported regarding any part of the vehicles main harness or engine harness resulting in a requirement to raise a DISS ticket, please follow all instructions within this TPI to ensure that your Bentley Motors Technical Service Centre (TSC) receives all required and relevant information. Technical background: In order for the Bentley Motors Technical Service Centre (TSC) to resolve any issues relating to the vehicles main harness or engine harness please follow the instructions within this TPI. Refer to Section 1 for the main vehicle harness identification label location Refer to Section 2 for the engine harness identification label location |
| 2024811/2 | 2020-01-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Gearbox code P1703 not clearing in Guided Fault finding Condition: There is no customer complaint the fault code is logged as a result of connecting the diagnostic tester When the fault memory is read using Guided Fault finding the following codes may be logged: P170300 Limp home, control unit reset (located in diagnostic address 02 Transmission control module) U1111 Function limitation due to missing message (located in diagnostic address 81 Gear Shift Control Module (GSM) Technical Background: Due to a communication error between the tester and the transmission control module the above faults may be logged even though there is no problem with the vehicles gearbox system. If these faults are logged and there is no gearbox problem reported, clear these codes using vehicle Self Diagnosis. |
| 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. |
| 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. |
| 2053492/5 | 2020-01-09. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. Condition: The front and/or rear suspension appears to have dropped. Technical Background: The list of Bentley vehicles below are fitted with air springs as part of the suspension system. Should air leak from the air springs, this will cause the suspension to drop. However, the dropping of the suspension does not necessarily mean that the air spring is faulty. The Measure section of this TPI describes how and where to check for air leaks on the front and rear air springs, the air pump compressor, pipes, valve unit and air reservoirs. This includes potential air leak points on the air springs and also the locations of an air leak that can be repaired without the need to replace an air spring. Please follow and complete the check list within the Measure section of this TPI to help in diagnosing the issue (the check list does not need to be sent as an attachment should a DISS technical query be raised) . Should a leak be found from an air spring, compressor, valve unit or reservoir, please raise a DISS technical query and include as much information as possible including photograph/s of the leak/s location. Once the DISS ticket has been submitted please await clarification from your TSC before commencing with replacing any of the suspected faulty air springs. Mandatory reporting is applicable for all air spring related issues. |
| 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 |
| 2057991/1 | 2020-01-09. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Customer statement / workshop findings: Malfunction Indicator Lamp (MIL) illuminated on driver instrument panel. Engine runs unevenly when starting from cold. Camshaft position Diagnostic Trouble Codes (DTCs) stored within Engine Control Unit (ECU). Technical background: When the engine is cold increased friction within the camshaft adjuster unit may result in camshaft position DTCs being stored within the ECU. The concern can be resolved by replacing the camshaft timing gear with a B level part which utilises an internal return spring with higher rate. See Parts information below. There are many possible DTCs related to this failure, the following is a typical example P001200 : A Camshaft position (Bank 1) timing over-retarded. |
| 2053745-1 | 2019-09-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Mulsanne - Infotainment unit software update (SC19/13) |
| 2024681-3 | 2019-07-29. Service bulletin. ELECTRICAL SYSTEM. PDI-Deactivating Transport and Loading modes |
| 2053177.3 | 2019-07-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. All Vehicle Variants - Spurious DTC List |
| 2051562.4 | 2019-07-01. Service bulletin. ELECTRICAL SYSTEM. 12 Volt - Battery condition checks |
| 2051562.1 | 2018-07-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 12 Volt - Battery condition checks |
| 20497461 | 2018-01-22. Service bulletin. ELECTRICAL SYSTEM. SiriusXM Serial Number (SC17/18) |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.