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Service bulletins for the 2017 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.

660 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
2053177/162021-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. 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 operative should refer to the Bentley Hub referencing TPI 2053177/- The document (loaded onto the Hub) 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 document (loaded onto the Hub) regarding the DTC description and actions (if any) which should be conducted
2051562/72021-10-05. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. 12 Volt - Battery condition checks. Customer statement / workshop findings: 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
2049586/82021-10-05. Service bulletin. ENGINE AND ENGINE COOLING; 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. Measure: - Follow the Misfire best practice TPI 2051187 in order to confirm that the root cause of the misfire is excessive cylinder carbonisation leading to excessive cylinder leakage/fouling
2036678/42021-10-05. Service bulletin. ELECTRICAL SYSTEM. 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. Production change: All speakers are subjected to a dynamic test and the individual results recorded for future reference
2051519/92021-10-05. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM. HVAC operation issues/HVAC Motor defect DTCs logged. Customer statement / workshop findings: HVAC operation issues and HVAC motor defect (DTCs) evident within address 08 Climatronic control unit, the DTCs can be static or sporadic (Intermittent) The Event memory entries (DTCs) shown within the Header data of this TPI are included as examples Technical background: The HVAC motors can become defective causing HVAC operational issues IMPORTANT: The following instructions should only be carried out on receipt of a valid customer complaint Or The operative is conducting EB28 or EB29 and issues are evident
2051219/62021-10-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. W12 TSI Camshaft Phaser Position Related DTC. Customer statement / workshop findings: Customer reporting Emission Control Warning Indicator displayed. Engine running rough.
2051187/62021-10-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Customer statement / workshop findings: Poor engine running, reduced power, engine warning lamp illuminated. Technical background: Technical Product Information (TPI) to assist Retailers when diagnosing poor engine running or misfire. Measure: 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.
2055321/22021-09-04. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga W12 - DTC 310B00 - Low fuel pressure regulation. Customer statement / workshop findings: Engine stalling when the engine is started from cold (at idle) Or after a delayed cold start. These issues can trigger DTC 310B00: Low Fuel Pressure regulation, Fuel pressure outside specification The following symbol can also be displayed on the Driver Instrument Panel (DIP) in conjunction with an error message start/stop unavailable
2053348/42021-09-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. W12 Engine management light on - Turbocharger speed sensor DTCs stored. Customer statement / workshop findings - The engine management light is on. Workshop findings: The customer statement can be reproduced. Either of the following DTCs are stored in address 01 Engine Control Module 1 or address 11 Engine Control Module 2
2063891/12021-08-06. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. Bentayga - DTC C103129 - Air suspension warning displayed in Driver Instrument Panel. Customer statement / workshop findings: Air suspension system warning displayed in the Driver Instrument Panel (DIP) Technical background: Diagnostic Trouble Code (DTC) C103129 Level control pressure sensor Implausible signal symptom (DTC) stored in the Chassis control unit (Address 74). The onward procedure will check, and if necessary, perform software updates to Addresses 74, D4 and D5. This will bring them to the latest, compatible software level.
2062261/22021-08-06. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. Bentayga - Air suspension warning light within the DIP - DTCs P089200 - C104707 - C103B13 - Evident within Address 74. Customer statement: Air suspension warning light within the DIP Workshop findings: One or a combination of the DTCs shown below are evident within address 74 - P089200 - Symptom Code 3145792 - TCM Power Relay Sense Circuit Intermittent (Level Control Valves Open Circuit) - C103B13 - 3145909 - Solenoid for level control system Open circuit - C104707 - 3211279 - Level control valves mechanical malfunction
2063602/12021-07-02. Service bulletin. ELECTRICAL SYSTEM. Removal of the Google Earth service, Customer statement / workshop findings: The Google Earth function is no longer available. Technical background: The Google Earth feature has been removed by Google, the function is no longer available.
2063729/12021-07-02. Service bulletin. ELECTRICAL SYSTEM. Fitment of control modules from donor vehicles for test purposes. Customer statement / workshop findings: Refer to the Technical background section before considering the fitment of control modules from donor vehicles for test purposes Technical background: If an issue is suspected for one of the control modules listed below: - Onboard supply control unit (J519) - Convenience system central control unit (J393) - Data bus diagnostics interface (J533) - Control unit 1 for Information Electronics (J794) - Control unit in dash panel insert (J285) - Emergency call module control unit (J949) The fitment of donor parts from another vehicle is not advisable and only possible if approved from Product Support via an open DISS query. The donor of parts should only be used as a temporary test VERY IMPORTANT: The ODIS replace routine MUST NOT be carried out under any circumstances
2053177/152021-06-04. Service bulletin. ELECTRICAL SYSTEM. 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.
2063410/12021-06-04. 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 Technical background: Refer to the Measure section regarding any Infotainment Main unit (5F / J794) fault finding/diagnosis
2053177/142021-05-05. Service bulletin. ELECTRICAL SYSTEM. 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
2062219/12021-04-08. Service bulletin. EQUIPMENT; FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM. MMI Sub Menu Software Revision - Bentayga (SC 21/05) Technical background: Safeguard sub menu Warning option is incorrectly shown within the MMI screen. Remedy: Software update available for the Airbag control module Address 15, once conducted the Safeguard menu/s will not be evident within the MMI
2062626/12021-04-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING. DTCs stored for all cylinders on Bank 1 or all cylinders on Bank 2 - W12 TSI engine derivative. Customer statement / workshop findings: - DTCs stored for all cylinders on Bank 1 or all cylinders on Bank 2 including multiple cylinder misfires DTC - Misfires logged in one or both engine control units - Engine warning light on - Erratic engine operation Technical background: Refer to the Measure section of this TPI
2060458/22021-04-08. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE; EQUIPMENT. Water ingress onto the front reading light. Customer statement / workshop findings: Water drips from the front interior light. The water drips directly from the electric drive of the front sun roof motor. Technical background: A water drop can get onto the guide rail instead of the water flow area of the guide rail. The water runs forwards to the guide tube of the operating cable and from there onto the electric drive.
2060081/22021-04-07. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Bentayga - Fuel Gauge - Guided Fault Finding DTCs B103E1B and/or B10581B evident within address 0046. Customer statement: Fuel gauge does not change during a long journey or after refuelling the vehicle and does not show full after filling the fuel tank. And/or Workshop findings: The following DTCs could be evident within diagnostic address 0046 – Comfort System Central Control Module - B103E1B: Fuel level sensor 1 Resistance too high - B10581B: Fuel level sensor 2 Resistance too high
2044536/92021-04-07. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. Bentayga deployable sill step malfunction. Customer statement / workshop findings: Deployable sill step accessory malfunctions. Technical background: This TPI is specifically written to record key information, reach a logical diagnosis and ultimately a problem resolution when presented with a deployable sill step malfunction. Please report via DISS all findings during your investigation and rectification process.
2058764/22021-03-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; FUEL SYSTEM, GASOLINE. Bentayga - Control Unit for Fuel Pump (SC 20/05). Technical background: Fuel pump control unit 4M0 906 093K has been superseded by fuel pump control unit 4M0 906 093N, however, this change is not currently applicable to Bentley. A small quantity of N level control units were mistakenly issued as spare parts and have subsequently been fitted to Customer vehicles. On vehicles with the -N- level part installed the Customer may complain of noise from the rear seat area, it is possible that fuel pumps may become noisy during operation. At present no other symptoms or faults are expected. Remedy: Correct level fuel pump control unit(s) should be installed 4M0 906 093K
2062261/12021-03-04. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Bentayga - Air suspension warning light within the DIP - DTC P089200 Symptom Code 3145792 - Evident within Address 74. Customer statement: Air suspension warning light within the DIP Workshop findings: P089200 Symptom Code 3145792 - TCM Power Relay Sense Circuit Intermittent (Level Control Valves Open Circuit) Technical background: Refer to the Measure section of this TPI.
2053931/42021-02-03. Service bulletin. ELECTRICAL SYSTEM. Unable to stream Infotainment media to the rear seat entertainment system. Customer statement / workshop findings Unable to stream media to the rear seat entertainment system from the Infotainment system Technical background The ability to steam CD/DVD and TV to the rear seat entertainment system from the Infotainment system is no longer available from 19 Model Year onwards.
2053931/32021-02-03. Service bulletin. ELECTRICAL SYSTEM. Unable to stream Infotainment media to the rear seat entertainment system. Customer statement / workshop findings: Unable to stream media to the rear seat entertainment system from the Infotainment system Technical background: The ability to steam CD/DVD and TV to the rear seat entertainment system from the Infotainment system is no longer available from 19 Model Year onwards.

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