2024 Bentley Bentayga

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10254060Bentayga - Data bus control unit (J533) replacement (SC24/05) Technical background: The Data bus control unit - J533 (Gateway) must be replaced.
• 10252818HVAC refrigerant leakage suspected or reports of a damp/musty smell within the cabin - Diagnosis guidelines. Customer statement / workshop findings: HVAC not cooling / HVAC cooling less than expected / HVAC refrigerant leakage confirmed Or The customer reports a damp/musty smell within the cabin Note: For this scenario please see the pre requisites below - Should no HVAC leak be evident and a damp/musty smell has been reported/identified the operative should first confirm that water is not leaking into the cabin please refer to all VIN applicable TPIs - Should there be no water leaks evident, the operative should check the HVAC and body drains for blockages, in the event the drains are blocked the drains must be unblocked, once this has been completed the operative should confirm if the damp/musty smell is still evident.
• 10252625DTC B101C29 and/or DTC B101D29 evident within the airbag control unit (J234). Customer statement / workshop findings: One or a combination of the following DTCs are evident within the airbag control unit (J234) B101C29: Driver seat belt switch implausible signal And/or B101D29: Front passenger side safety belt switch implausible signal Technical background: In the event the issue is as described the operative should refer to the Measure section of this TPI.
• 10252458TPMS - Warning within the Drivers Information Panel (DIP) - Tyre pressure sensor - Low battery. Customer statement: Tyre pressure sensor: low battery warning is evident with the Drivers Information Panel (DIP). Workshop findings: One or a combination of the following DTCs may also be evident: - C105016 Left Front Tyre Pressure Monitoring Sensor Voltage too low - C105116 - Right Front Tyre Pressure Monitoring Sensor Voltage too low - C105216 - Left Rear Tyre Pressure Monitoring Sensor Voltage too low - C105316 - Right Rear Tyre Pressure Monitoring Sensor Voltage too low.
• 1025244612 Volt - Battery condition checks. Customer statement / workshop findings: 12 volt battery flat or unserviceable Technical background: For all 12 volt battery issues relating to warranty or a parts warranty claim refer to the instructions within the Measure section.
• 10252314Front or rear door(s) - Soft close function failure - DTC B122D29 is evident. Customer statement - Front or rear door(s) - Soft close function failure Workshop findings - DTC B122D29 is evident within one or a combination of the front and / or rear door control unit(s) Technical background
• 10252291Unintended sounding of the Alarm siren - Following activation of the ignition or whilst the vehicle is left standing. Customer statement: Unintended sounding of the alarm siren following activation of the ignition Or Unintended sounding of the alarm siren whilst the vehicle is left standing. Workshop findings: - B131DF5: alarm system siren supply voltage lower limit value less than - B131D29: sirens / alarm horn for anti-theft warning system Range/Performance - B131D29: anti-theft alarm system siren / alarm horn signal, not valid
• 10252288Software update to diagnostic address 0006 and 005B - Graphics mismatch in the TSR (SC24/03). Technical background: When the VIP seat adjust function is selected within the Touch Screen Remote (TSR) the requested / actual seat movements are different to those selected / shown on the screen. Remedy: A software update is available for diagnostic address 0006 - Front passenger seat control unit and the rear passenger seat control unit 005B
• 10252116Loading system message in the Infotainment screen (screen stuck). Customer statement / workshop findings: The Infotainment system is stuck on the loading screen. - Loading system, please wait message is visible on the Infotainment screen.
• 10252115DTC P0B2500 logged within address 0021 (Battery Energy Control Module 2) - Dynamic ride system warning visible. Customer statement: Bentley dynamic ride system fault is displayed within the Drivers Instrument Panel (DIP). Workshop findings: DTC P0B2500 - Hybrid/EV Battery "A" Voltage low is stored within address 21- Battery Energy Control Module 2.
• 10251507The Netflix application cannot be updated within the (BYOC) rear seat entertainment system. Customer statement / workshop findings: Netflix application update prompt is shown within the (BYOC) rear seat entertainment system. Technical background: In the event the issue described is evident the operative should conduct the instructions within the Measure section.
• 10251439Rear Seat Entertainment screens are not working. Customer statement / workshop findings: Rear Seat Entertainment screens are not working Technical background: In the event the rear screens are not working please refer to the Measure section of this TPI.
• 10251433Squeaking noise from the footwell whilst steering / maneuvering at low speed. Customer statement / workshop findings: Squeaking noises from the foot well whilst steering / maneuvering at low speed. Technical background: - Noise is apparent with steering input whilst steering / maneuvering at low speed - Noise is evident from the rubber collar on the lower steering column - Noise is apparent when the steering wheel is adjusted to the fully upwards position Tip: Forward and rearward position does not affect the noise - The rubber collar which is fitted to the intermediate steering shaft in some cases can contact the sealing boot
• 10251432Front or rear door(s) - Soft close function failure - DTC B122D29 is evident. Customer statement / workshop findings: - Front or rear door(s) - Soft close function failure Workshop findings - DTC B122D29 is evident within one or a combination of the front and / or rear door control unit(s) Technical background: Soft close feature does not operate to specification (front and / or rear)
• 10251235V8 Kovomo - Engine MIL light on - DTC P04F000: EVAP system high pressure purge line performance evident. Customer statement / workshop findings: - Engine MIL light illuminated within the DIP Workshop findings and observations: - DTC P04F000: EVAP system high pressure purge line performance evident.
• 10251227DTC P04F000 EVAP system high pressure purge line performance DTC logged. Customer statement / workshop findings: Emission control system warning light illuminated within the DIP. Workshop findings: DTC P04F000 EVAP system high pressure purge line performance DTC evident within the engine control unit Technical background: The DTC is related to mismatched terminal locations of the Pressure sensor for the activated charcoal filter system G804.
• 10251110V8 Kovomo - Bentayga - Water pump drive gear cover (Deletion). The cover is no longer fitted on replacement water pumps, the cover is not required and MUST not be transferred to the new water pump The operative should fit the new water pump without the cover as shown in Figure 2 NOTE: DISS queries or Service calls should not be submitted for this concern.
• 10250239Creaking noise from the rear seat cushion edge/rear seat side valance. Customer statement / workshop findings: Creaking noise from the rear seat cushion edge/rear seat side valance. Technical background: The creaking noise is caused by contact between the side valance pins and the seat frame. In the event the issue is as described, the operative should refer to the instructions within the Measure section of this TPI.
• 10250237Right and/or left hand front rearmost lower suspension lever inner hydraulic mount replacement guidelines. Customer statement / workshop findings: The right and/or left hand front rearmost lower suspension lever inner hydraulic mounts are leaking oil or showing signs of dry oil stains. Technical background: In the event the symptom is as described please refer to the Measure section of this TPI to confirm if the right and/or left hand front rearmost lower suspension lever inner hydraulic mounts require replacement or not
• 10250236Rear Seat Entertainment screens are not working. Customer statement / workshop findings: Rear Seat Entertainment screens are not working. Technical background: In the event the rear screens are not working please refer to the Measure section of this TPI.
• 10250234DTC P0B2500 logged within address 0021 (Battery Energy Control Module 2) - Dynamic ride system warning visible. Customer statement / workshop findings: Bentley dynamic ride system fault is displayed within the Drivers Instrument Panel (DIP) Workshop findings: DTC P0B2500 - Hybrid/EV Battery "A" Voltage low is stored within address 21- Battery Energy Control Module 2.
• 10249860Bentayga - A Post Water Deflector - Surface Contamination. Customer statement / workshop findings: Mottled appearance on A post water deflectors. Surface deposits on A post water deflectors cannot be removed by washing with car shampoo. Technical background: Surface deposits are caused by UV protection additives contained within the A post water deflector migrating to the surface. This migration process is intentionally designed to protect parts from brittleness and ageing, the mottled appearance may occur after a certain length of time and is also dependent on temperature and humidity. Deposits on the surface are normally removed by weathering during normal driving or when washing the vehicle.
• 10248658Headlamp control unit replacement and/or turn signal control unit replacement. Customer statement / workshop findings: Headlamp low beam / high beam malfunction / operational issues (Inner lamp) Or Daytime running light malfunction / operational issues (Inner lamp) Or Turn signal malfunction / operational issues (Outer lamp).
• 10248657DTC B187A00 Park steer assist cancellation is logged in the Front Sensor Driver Assistance Control Unit - Address 00A5. Customer statement / workshop findings: - DTC B187A00 Park steer assist cancellation is evident within diagnostic address 00A5 - Front Sensor Driver Assistance System control unit. Technical background: In the event that DTC B187A00 is evident within diagnostic address 00A5 - Front Sensor Driver Assistance System control unit, the operative must raise a technical DISS query ensuring the following is attached - Current ODIS log - Photographs of any warning symbols which are evident within the Drivers Information panel (DIP).
• 10248338Engine Oil - Consumption - V8 Kovomo. Customer statement / workshop findings: Engine oil warning lamp illuminated within the Drivers Instrument Panel (DIP) Engine oil requires topping up between services. Excessive engine oil consumption.
• 10248273Infotainment 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.
• 10248258Diagnosis guidelines relating to Headlamp operation/Daytime running lights (Inner lamp) and/or Turn signal (Outer lamp). Customer statement / workshop findings: Operational issues are evident with one or a combination of the following: - Headlamp low beam / high beam malfunction / operational issues (Inner lamp) Or - Daytime running light malfunction / operational issues (Inner lamp) Or - Turn signal malfunction / operational issues (Outer lamp) Or Numerous static and/or intermittent DTCs are evident within the left light control unit (Diagnostic address D6) and/or the right light control unit (Diagnostic address D7)
• 10248237Driver / Passenger door(s) creak on close - All models (front and / or rear). Customer statement / workshop findings: Driver and / or Passenger door creak during the Power close function - Front and / or rear (Depending on vehicle type).
• 10246435Spurious DTC C12D5FA is evident in diagnostic address 00A5. Workshop findings: - DTC C12D5FA (Driver assistance systems control module Image processing processor not reacting) with symptom code 221281 is evident within diagnostic address 00A5 - Front Sensor Driver Assistance System control unit - The DTC was found during routine vehicle diagnostic interrogation.
• 10246426Bentayga rear brake noise/squeal - Repair method depending on the brake noise frequency (Iron brakes only).
• 10246358Spurious DTC identification. Customer statement / workshop findings: Customers will not be aware of any DTCs, workshop operatives may discover spurious DTCs whilst running Guided Fault Finding (GFF) when using ODIS Technical background: To determine the course of action which should be taken the operative should refer to the Bentley Hub referencing the following: Spurious DTC list for TPI 2072055 The document contains all known spurious DTCs for all applicable vehicle variants.
• 10246354New Continental GT/GTC, New Flying Spur and Bentayga - Low Oil Pressure Warning During Early Vehicle Life - W12 only. Customer statement / workshop findings: Warning on the Driver Instrument Panel (DIP) - Oil pressure too low DTCs relating to oil pressure may also be stored within the Master ECU. Diagnostic Trouble Codes (DTC) P052400: Engine Oil Pressure Too Low and/or P15AA00: Engine oil pressure - Lower limit not reached stored in the Master Engine Control Unit (ECU).
• 10246331Steering rack diagnosed as faulty (Requires replacement) - Guidelines prior to replacing the steering rack. Customer statement / workshop findings: Steering rack diagnosed as faulty (requires replacement) Technical background: In the event the steering rack is diagnosed as faulty, the operative must conduct the instructions within the Measure section to completion.
• 10246330Bentayga - Auxiliary tail lights in bumper operating instead of main tail lights when not intended. Customer statement / workshop findings: The auxiliary tail lamps in the rear bumper are illuminated instead of the main tail lamps with the tailgate closed, there is no fault with the main tail lamps.
• 10246279DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5. Customer statement: Lane Assist and/or Traffic Assist are not functional Workshop findings: - DTC - B17B801 - Steering Wheel Touch Recognition Control Module evident within address 0019 And/or - DTC B17B804 - Steering Wheel Touch Recognition Control Module electrical error - evident within address 0019 And/or - DTC U112300 with symptom Code 1123220 within address 00A5.
• 10246275DTC B101C29 and/or DTC B101D29 evident within the airbag control unit (J234). Customer statement / workshop findings: One or a combination of the following DTCs are evident within the airbag control unit (J234) B101C29: Driver seat belt switch implausible signal And/or B101D29: Front passenger side safety belt switch implausible signal Technical background: Refer to the Measure section of this TPI ensuring all steps are followed to completion depending on the side in which the issue is evident (driver and/or passenger).
• 10246259Testing electrical circuits - Diagnosis guidelines - Training videos. Customer statement / workshop findings: Technical DISS queries with extended downtime can be caused by incorrect diagnosis and testing of the vehicles electrical circuits In a small number of isolated cases basic electrical faults were found to be overlooked. Technical background: The information within this TPI has been generated to make retailers aware of two specific videos (Figure 1) Advanced Vehicle Electrics - Measurements of Circuits Video - Voltage drop testing - Voltage drop testing using the VAS 6356 scope Advanced Vehicle Electrics - Actuators & Voltage Supply Diagnosis - Terminal drag testing
• 10246258HVAC distribution/operational issues - HVAC Motor defect DTCs logged. Customer statement / workshop findings: - HVAC distribution/operational issues - HVAC motor defect (DTCs) evident within address 08 - Climatronic control unit, the DTCs can be static or Intermittent Technical background: Where VIN applicable the operative MUST first conduct Service Campaign EB28 (Bentayga) or EB29 (New Continental GT/GTC).
• 10245099Bentayga rear brake noise/squeal - Repair method depending on the brake noise frequency (Iron brakes only) Customer Statement: -Brake noise/squeal from the rear brakes
• 10245098Bentayga Rear Brake Noise/Squeal - Repair method depending on the brake noise frequency (iron brakes only) Customer Statement: -Brake noise/squeal from the rear brakes

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