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
| 2049586/6 | 2020-08-08. 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 |
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| 2060024/1 | 2020-08-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. DTCs 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 |
| 2036678/3 | 2020-08-08. 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. |
| 2057935/2 | 2020-08-08. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EQUIPMENT. Warning 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. |
| 2055693/2 | 2020-08-08. Service bulletin. SUSPENSION; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Unable 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 |
| 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. |
| 2046733/6 | 2020-08-08. Service bulletin. EQUIPMENT; STEERING; EQUIPMENT ADAPTIVE/MOBILITY. Steering rack noise during extended city drive cycle. Customer statement/workshop findings: Steering grinding noise after the vehicle is driven for extended periods in city conditions Technical background: Steering rack internal torque sensor is defective In order for this noise to be present, the steering must be in motion. The noise is only present after extended city driving. Verify that the customer complaint matches the sound file within the Bentley Hub Reference TPI Transaction number 2046733/- In the event the customer complaint can be clearly assigned to the above video, please refer to the instructions within the Measure section of this TPI |
| 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) |
| 2057981/2 | 2020-08-07. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; EQUIPMENT. Slow 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. |
| 2055540/2 | 2020-08-07. Service bulletin. ENGINE; STEERING; POWER TRAIN; EQUIPMENT; SUSPENSION. Rumble 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 |
| 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. |
| 2054210/3 | 2020-08-07. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT:MECHANICAL; EQUIPMENT. Noises from Panoramic sun roof. Customer statement / workshop findings: Noises from the Panoramic sun roof when driving. The noises occur mainly when the sun roof is closed. Technical background: Mechanical system of sun roof frame not or insufficiently lubricated. |
| 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. |
| 2052561/3 | 2020-08-07. Service bulletin. EQUIPMENT; STRUCTURE. Mulliner - Biometric Secure Stowage Box. Customer statement / workshop findings: Correct functionality and restrictions of the Mulliner Biometric Secure Stowage Box need to be understood to prevent unnecessary customer complaints. |
| 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 |
| 2048616/8 | 2020-08-07. Service bulletin. SUSPENSION. Creaking 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 |
| 2052853/6 | 2020-08-06. Service bulletin. STEERING; SERVICE BRAKES; SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. Clicking noises from front corner(s). Customer statement/workshop findings Clicking noise from front corner(s) Technical background In order to accurately diagnose and repair customer reported clicking noises from the front corner(s) the Measure section of this TPI consists of three individual sections, each section describes the symptom and the remedy which should be applied Symptoms and descriptions regarding clicking noises can appear to be very similar when described, where possible the customer should demonstrate the reported symptom to enable correct diagnosis |
| 2058477/3 | 2020-08-06. Service bulletin. ENGINE. 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. |
| 2054084/2 | 2020-08-06. Service bulletin. STRUCTURE. Bullseye air outlets - chrome finisher detached. Customer statement / workshop findings: Air vent chrome finisher has detached from vane. Technical background: It is possible that using aftermarket clip on devices such as mobile phone holders, air freshener holders or chewing gum dispensers may result in the chrome air vent finisher becoming detached from the vane. Measure: Please advise the Customer that the use of aftermarket clip on devices is not recommended and continued use may result in repeat failures. Damage caused by the use of aftermarket clip on devices will not be covered under vehicle warranty. |
| 2046299/6 | 2020-08-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. Bentayga - 1.2 - 1.4KHz rear brake squeal. Customer statement / workshop findings: Squeal from the rear of the vehicle at low speed while braking. Technical background: While braking at low speed, a vibration of 1.2 to 1.4 KHz can be produced by the friction between the rear brake pad and disc resulting in a complaint of brake noise from the customer |
| 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 |
| 2028808/4 | 2020-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Engine 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 |
| 2057841/2 | 2020-08-05. Service bulletin. STRUCTURE. Windscreen replacement criteria whilst under manufacturers warranty. Customer statement / workshop findings: Windscreen cracked/damaged Technical background: Please refer to the instructions within the Measure section of this TPI in the event that a windscreen is cracked/damaged |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.