Bentley Bentayga Service Bulletins
847 manufacturer communications on file.
- August 14, 2020•Document ID: 10179444Service Bulletin/Repair InstructionsEXTERIOR LIGHTING
- Mfr Comm. #:
- 2054599/5
- Date Added:
- September 5, 2020
- Manufacturer:
- BENTLEY
SummaryHeadlamp 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
Associated Products (1)Associated Documents - August 5, 2020•Document ID: 10179435Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE
- Mfr Comm. #:
- 2060081/1
- Date Added:
- September 5, 2020
- Manufacturer:
- BENTLEY
SummaryBentayga - 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.
Associated Products (1)Associated Documents - August 3, 2020•Document ID: 10179439Service Bulletin/Repair InstructionsSERVICE BRAKES, HYDRAULIC
- Mfr Comm. #:
- 2052785/5
- Date Added:
- September 5, 2020
- Manufacturer:
- BENTLEY
SummaryBrake noise identification. Customer statement: Noise complaint from the braking system. Workshop findings: The noise can be reproduced and clearly assigned to the braking system. Technical Background: Brake noises can be attributed to many causes. Eight of the most common causes are: 1. Brake discs or pads are close to their wear limit. 2. New brake pads and/or discs have not been properly bedded in after installation. 3. Aftermarket pads or discs are installed. 4. There is debris such as small stones, grit, road salt or sand between the brake disc and pad. 5. Discs are covered in rust. Rust can form when the vehicle has been stationary for long periods of time (Figure 1).
Associated Products (2)Associated Documents - August 3, 2020•Document ID: 10179436Service Bulletin/Repair InstructionsELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- Mfr Comm. #:
- 2054077/3
- Date Added:
- September 5, 2020
- Manufacturer:
- BENTLEY
SummaryBentayga - 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
Associated Products (1)Associated Documents - July 8, 2020•Document ID: 10178034Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 2028808/4
- Date Added:
- August 5, 2020
- Manufacturer:
- BENTLEY
SummaryEngine oil. Specific oil type and oil consumption reference. Customer statement / workshop findings: Engine oil level requires to:p up between services. Technical background The use of the correct oil for each engine type is critical for its continued performance, reliability and ultimately warranty. The workshop manual should always be the first point of reference, ensuring the correct lubricant is used for each specific model year and engine type Should oil be required the parts catalogue must be referred to ensuring the correct VIN is always used when ordering
Associated Products (2)Associated Documents - July 6, 2020•Document ID: 10178041Service Bulletin/Repair InstructionsEQUIPMENT; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 2053177/11
- Date Added:
- August 6, 2020
- Manufacturer:
- BENTLEY
SummaryCustomer 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
Associated Products (2)Associated Documents - July 3, 2020•Document ID: 10178196Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 2049586/6
- Date Added:
- August 8, 2020
- Manufacturer:
- BENTLEY
SummaryMisfiring, 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
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178193Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT
- Mfr Comm. #:
- 2036678/3
- Date Added:
- August 8, 2020
- Manufacturer:
- BENTLEY
SummarySpeaker 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.
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178189Service Bulletin/Repair InstructionsVISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT
- Mfr Comm. #:
- 2057935/2
- Date Added:
- August 8, 2020
- Manufacturer:
- BENTLEY
SummaryWarning lamp for washer fluid level on (for no reason). Customer statement / workshop findings: The washer fluid low warning lamp in the dash insert is lit up although there is sufficient washer fluid in the reservoir. Workshop findings: The customer statement can be reproduced. Technical background The conductibility of the washer fluid can be significantly lowered by the following factors. As a result, the water level switch of the washer fluid low warning lamp can be activated although the washer fluid reservoir is sufficiently full. Washer fluid additives which do not meet the following specification During winter conditions a solution of 30% isopropyl alcohol and 70% water should be used (or appropriate alternative). This washer fluid and water mixture will provide frost protection down to a temperature of approximately 10 degrees C (14 degrees F). Frozen washer fluid. Distilled water.
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178188Service Bulletin/Repair InstructionsSUSPENSION; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- 2055693/2
- Date Added:
- August 8, 2020
- Manufacturer:
- BENTLEY
SummaryUnable to run basic settings within the Adaptive suspension control unit (J775). Customer statement/workshop findings: Unable to run Basic setting (full process + rebound end stops) after a new adaptive air suspension control unit has been fitted or work has been conducted on the suspension system which requires the Basic setting (full process + rebound end stops) procedure performing Technical background: Referring to Figure 1, During the Basic setting (full process + rebound end stops) the routine can stop during the initial part of the procedure, in particular at the stage shown in Figure 2, which is when the vehicle is raised to allow all four wheels to hang down to their full rebound position Should this issue be evident and the Basic settings routine does not continue - Refer to the Measure section of this TPI
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178185Service Bulletin/Repair InstructionsSUSPENSION:REAR; ELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- 2055643/2
- Date Added:
- August 7, 2020
- Manufacturer:
- BENTLEY
SummarySoftware 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)
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178184Service Bulletin/Repair InstructionsVISIBILITY:POWER WINDOW DEVICES AND CONTROLS; EQUIPMENT
- Mfr Comm. #:
- 2057981/2
- Date Added:
- August 7, 2020
- Manufacturer:
- BENTLEY
SummarySlow front window motor operation. Customer statement/workshop findings: Slow operation of the left and/or right hand front window lift motor Technical background: Refer to the checks within the Measure section before replacing a front window lift motor The checks within the Measure section are imperative as some motors which have been returned to Bentley Motors exhibit no faults, therefore the issue may not be the motor.
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178181Service Bulletin/Repair InstructionsPOWER TRAIN; ENGINE; EQUIPMENT; SUSPENSION; STEERING
- Mfr Comm. #:
- 2055540/2
- Date Added:
- August 7, 2020
- Manufacturer:
- BENTLEY
SummaryRumble noise and/or floor pan/steering column vibration. Customer statement/workshop findings Floor pan or steering column/steering wheel vibration when manoeuvring/steering at slow speeds with steering wheel input Technical background Prior to carrying out the assessments within the Measure section, the retailer must check and confirm the following: The engine has not been chip tuned The vehicle is in standard condition (as per factory specification) ensuring that NO non approved accessories are fitted The suspension, steering and brake components are in a serviceable condition The engine, transmission mounts, powertrain and all wheel bearings are in a serviceable condition The exhaust system and all wheels and tyres are in a serviceable condition (as per factory specification) Once confirmed that all the afore mentioned criteria has been met the assessment can then be conducted
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178180Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; SUSPENSION:REAR; EQUIPMENT
- Mfr Comm. #:
- 2055217/2
- Date Added:
- August 7, 2020
- Manufacturer:
- BENTLEY
SummaryRear 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.
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178145Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 2057999/2
- Date Added:
- August 7, 2020
- Manufacturer:
- BENTLEY
SummaryGarage 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 customerâÂÂs remote control may not be adapted to the vehicle.
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178141Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 2054300/2
- Date Added:
- August 7, 2020
- Manufacturer:
- BENTLEY
SummaryBentley 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
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178116Service Bulletin/Repair InstructionsSUSPENSION
- Mfr Comm. #:
- 2048616/8
- Date Added:
- August 7, 2020
- Manufacturer:
- BENTLEY
SummaryCreaking noise from the front suspension when manoeuvring. Customer statement / workshop findings: Creaking noise from the front suspension when manoeuvring Technical background: Verify that the customer complaint matches the sound file within the Bentley Hub Reference TPI Transaction number 2048616 TIP: When listening to the sound file the noise can be heard from between 0 and 3 seconds The noise present in the sound file is caused by defective Lower suspension lever - Rear - Hydraulic mounts. In order to reproduce the noise this bush must be twisted, therefore the noise can appear in the following circumstances When performing parking manoeuvers with the brake applied When steering from lock to lock with the vehicle in motion and the brake applied When the vehicle is moved with steering input over uneven surfaces (for e.g. a ramp or speed bump) If the customer complaint occurs in any of the above circumstances and the noise can be clearly assigned to the noise within the sound file Refer to the instructions within the Measure section of this TPI
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178078Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 2058477/3
- Date Added:
- August 6, 2020
- Manufacturer:
- BENTLEY
SummaryBentayga - 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.
Associated Products (1)Associated Documents - July 3, 2020•Document ID: 10178013Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- 2056582/3
- Date Added:
- August 5, 2020
- Manufacturer:
- BENTLEY
SummaryInterior trim - Creak and rattle - Noise identification. Customer statement / workshop findings: Noise complaint from the interior Workshop findings: The noise can be reproduced and clearly assigned to the interior Prior to starting the instructions within this TPI, the Retailer must check and confirm the vehicle is in standard factory condition and has not had any non-approved aftermarket modifications conducted Should any aftermarket modifications be found, the Retailer must make Product Support aware by raising a DISS query to report the details of the modification, you must then await feedback from Product Support before conducting any further work
Associated Products (2)Associated Documents - July 2, 2020•Document ID: 10178187Service Bulletin/Repair InstructionsSERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE
- Mfr Comm. #:
- 2054077/2
- Date Added:
- August 8, 2020
- Manufacturer:
- BENTLEY
SummaryBentayga - 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.
Associated Products (1)Associated Documents