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Service bulletins for the 2021 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.

757 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

Bulletins, newest first
2055540.42023-11-06. Service bulletin. STEERING; SUSPENSION; STRUCTURE; ELECTRICAL SYSTEM. Rumble noise and/or floor pan/steering column vibration Customer Statement: -Floor pan or steering column/steering wheel vibration when manoeuvring/steering at slow speeds with steering wheel input
2053429.62023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Emission control system lamp illuminated - DTC P044100 evident Customer Statement: -Emission control system warning lamp illuminated (Figure 1) within the Driver Information Panel (DIP) in conjunction with DTC - P044100: EVAP Emission Contr.Sys.Incorrect Purge Flow - logged within one or both engine control modules
2051219.102023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. W12 TSI Camshaft Phaser Position Related DTC Customer Statement: -Customer reporting (Emission Control Warning Indicator) displayed. Engine running rough.
2050542.72023-11-06. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; VISIBILITY. Service info: body/equipment: front exterior lighting steamed up/leaks Customer Statement: -1. The lenses of the headlights (illustration 1a) /front fog lamps (illustration 1b) are steamed up/damp from the inside with minor drips. 2. Water is in the headlight (illustration 2a) / front fog lamp (illustration 2b), big drips.
2045686.62023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga - Engine oil pressure warning Customer Statement: -Low oil pressure warning illuminated in the driver instrument panel as shown in Figure 1 and event code P15AA00 is evident in one or both of the Engine Control Modules
2058573.32023-11-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. DTC P04F000 EVAP system high pressure purge line performance DTC logged Customer Statement: -Emission control system warning light illuminated within the DIP (Figure 1)
2070344.32023-11-06. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Headlamp control unit replacement - Bentayga and New Flying Spur Customer Statement: -Headlamp is not working or the headlamp is flickering
2068946.42023-11-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; SUSPENSION. Bentley dynamic ride system warning - DTC P0B2500: Hybrid/EV Battery (A) Voltage low stored (48 volt system) Customer Statement: -(Bentley dynamic ride system: fault) displayed within the Drivers Instrument Panel (DIP)
2051562/112023-10-06. Service bulletin. ELECTRICAL SYSTEM. 12 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
2053177/192023-10-06. Service bulletin. ELECTRICAL SYSTEM. All Vehicle Variants - Spurious DTC List. Customer statement / workshop findings: Customers 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, the TPI can no longer be viewed within Elsa pro, in this case please refer to the instructions within TPI 2053177/- regarding the DTC description and actions which should be conducted (if any).
2061739/52023-10-06. Service bulletin. ELECTRICAL SYSTEM; WHEELS. TPMS - Warning within the Drivers Information Panel (DIP) - DTC C1239F0 - Tyre pressure display Positioning not possible. Customer statement / workshop findings: Yellow Tyre Pressure Monitoring System (TPMS) warning light is evident with the Drivers Information Panel (DIP) The warning is evident when the tyre size has been changed within the MMI For example: After changing the tyres from winter to summer variants or vice versa Workshop findings C1239F0 - Tyre pressure display Positioning not possible Evident within address 0065 Technical background: If the tyre size type in the MMI is changed a yellow TPMS warning light within the DIP will be evident The ability to drive the vehicle will not be affected.
2070344/22023-10-06. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Headlamp control unit replacement - Bentayga and New Flying Spur. Customer statement / workshop findings: Headlamp is not working or the headlamp is flickering Workshop findings Headlamp assembly diagnosed as faulty. Technical background: It is not possible to determine between internal lamp defects and control unit failures therefore this TPI is to advise the replacement of the control unit in the first instance The complete headlamp assembly should only be replaced if control unit replacement was not successful.
2066246/32023-10-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Bentayga/New Flying Spur - DTC P0C4A00 Hybrid/EV Battery Pack Coolant Pump 'A' Control Performance within address 8C. Customer statement / workshop findings - Speed limitation noticeable when driving in EV mode (Restricting the vehicle speed to approximately 30mph/48kph) - Refer also to the video on the Bentley Hub referencing TPI 2066246/- - No other warnings are evident within the DIP Workshop findings: - DTC P0C4A00 Hybrid/EV Battery Pack Coolant Pump 'A' Control Performance within Address 8C Battery Regulation Control Unit
2064648/32023-10-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM. ACC Unavailable-Traffic Assist Failure-Safeguard Failure-Radar Malfunction Warning DIP - Numerous DTC's within 0013. Customer statement / workshop findings: One or numerous of the following issues are evident: - ACC Failure - Traffic Assist Failure - Safeguard Failure - Radar Malfunction Workshop findings: One or a combination of the following DTCs and symptom codes are evident within address 0013 - B200FF0 with Symptom code(s) 1367 and/or 1313 and/or 1334 - Internal Malfunction.
2051893/52023-09-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Overheat condition-DTC logged for air in the system or DTC P218100-Cooling System Performance with symptom code 8113. Customer statement / workshop findings One or a combination of the following symptoms are evident: - Engine coolant overheat condition - Coolant loss - Diagnostic trouble codes (DTCs) logged within the Engine control module/s relating to Air in the coolant system - Engine overheating issues and/or DTC P218100: Cooling System Performance symptom code 8113 is evident - Warning light within the Drivers Information Panel (DIP). Measure 1) Fully drain the cooling system - Refer to Elsa Pro Rep.Gr 19 Cooling system - To drain and fill 2) Replace the Thermostat housing (includes thermostat) - Refer to Elsa Pro Rep.Gr 19 Cooling system - Thermostat - To replace
2071239/12023-09-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Coolant pump leaking (part number 07P 121 008C) - Low coolant warning - Engine overheating - DTC's evident. Customer statement / workshop findings One or a combination of the following is evident: - Coolant leaking from the mechanical coolant pump - Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump - Low coolant level warning displayed within the DIP Or - Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTCs (various) is evident, in this scenario the operative should also refer to TPI 2051893
2071238/12023-09-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Coolant pump leaking (part number 07P 121 008B) - Low coolant warning - Engine overheating - DTCs evident. Customer statement / workshop findings: One or a combination of the following is evident: - Coolant leaking from the mechanical coolant pump - Coolant witness marks on the mechanical coolant pump although coolant is not leaking/dripping from the pump - Low coolant level warning displayed within the DIP Or - Engine overheating issues and/or DTC P218100: Cooling System Performance with symptom code 8113 or air in the coolant DTCs (various) is evident in this scenario the operative should refer to TPI 2051893.
2071190/12023-09-07. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT. Bentayga Hybrid - HVAC not cooling - DTC B16A1F0 is evident within diagnostic address 00C5. Customer statement / workshop findings: Customer statement HVAC system is not cooling Workshop findings: DTC B16A1F0 - Refrigerant shut-off valve Icing - water load too high, evident within diagnostic address 00C5 Technical background: Upon receipt of a customer complaint relating to HVAC system not cooling and DTC B16A1F0 is evident, please refer to the Measure section of this TPI.
2069551/22023-09-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Touch Screen Remote (TSR) has no visible display or does not function. Customer statement / workshop findings: The Touch Screen Remote (TSR) has no visible display or does not function, see the example shown in Figure 1. Technical background In the event that one or a combination of the described symptoms is evident, please follow the instructions within the Measure section depending on the symptom.
2069806/32023-09-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC 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 particularly TPI 2062622/- - 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.
2070344/12023-09-07. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Headlamp control unit replacement - Bentayga and New Flying Spur. Customer statement: Headlamp is not working or the headlamp is flickering Workshop findings Headlamp assembly diagnosed as faulty. Technical background: It is not possible to determine between internal lamp defects and control unit failures therefore this TPI is to advise the replacement of the control unit in the first instance The complete headlamp assembly should only be replaced if control unit replacement was not successful.
2071149/12023-09-07. Service bulletin. ELECTRICAL SYSTEM. Testing electrical circuits - Diagnosis guidelines - Training videos. 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.
2069806/22023-09-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY; ELECTRICAL SYSTEM. HVAC 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 particularly TPI 2062622/- - 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. In the event that HVAC cleaning products are required, these MUST be sourced locally. Before using the cleaner the operative must inform the customer of the product which will be used, a neutral fragrance cleaner should be used as the customer may not like the smell of the cleaner should a fragranced product be used Please ensure all supporting information is included within the DISS query when requesting permission to clean the HVAC system including clear photographs and/or videos showing the reported issue, should the required information not be supplied the warranty claim could be cancelled.
2067429/32023-09-07. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. HVAC not working No air flow - DTC B10AE31 High Pressure sensor - No signal DTC logged within address 08. Customer statement / workshop findings: - HVAC not working to specification (No air flow) - DTC B10AE31 High Pressure sensor - No signal DTC logged within address 08. Technical background: In the event the issue is as described the operative should refer to the instructions within the Measure section of this TPI to assist in diagnosing the reported issue.
2071131/12023-09-07. Service bulletin. ELECTRICAL SYSTEM. Measured values - Cycle recording instructions. Customer statement / workshop findings: In some cases Measured value traces may be requested in XML format for analysis by Product Support Technical background: The instructions within the Measure section of this TPI have been generated to guide operatives through the process for recording Measured values in cycles by using self diagnosis, the Instructions also detail how to locate corresponding files which are required for analysis Product Support will advise regarding the Measured values and cycle time required.

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