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
| 2067399/1 | 2022-07-07. Service bulletin. ELECTRICAL SYSTEM; STEERING; SUSPENSION. Warning evident within the DIP for the steering system - DTC U103100 evident within diagnostic address 0044. Customer statement: - Warning within the DIP for the steering system (Figure 1) Figure 1 Workshop findings: - DTC U103100 with symptom code 3146753 - FlexRay data bus No synchronization evident within diagnostic address 0044 Technical background: In the event the issue is as described the operative should conduct the instructions within the Measure section of this TPI |
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| 2063855/4 | 2022-07-06. Service bulletin. LANE DEPARTURE; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. DTC 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 Technical background: Revision history TPI 2063855/4 - Additional request to replace the control module (as Figure 1) in conjunction with the steering wheel |
| 2058423/8 | 2022-07-06. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. New Continental GT/GTC, New Flying Spur and Bentayga - Low Oil Pressure Warning During Early Vehicle Life. 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). Measure: VERY IMPORTANT: Prior to conducting the onward instructions, the following symptoms MUST be evident - Warning on Driver Instrument Panel (DIP) Oil pressure too low And/or - 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) Should any of the afore mentioned not be evident and the symptoms cannot be reproduced No further action should be taken unless the issue can be reproduced or demonstrated by the customer In the event the symptom/s are evident please conduct the onward Diagnosis Instructions |
| 2066843/1 | 2022-06-03. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine vibration/humming at idle - Active engine mount diagnosis guidelines. Customer statement: Engine vibration/humming noise at idle Workshop findings DTC C113111 - 307 - Actuator 1 for assembly mounting Short circuit to Ground (GND) evident within the engine mounting control module - Diagnostic address 00BA Technical background In the event the issue is as described, refer to the Measure section of this TPI. |
| 2066714/1 | 2022-06-03. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Bentayga Hybrid - DTC's P0C5C00 - P0C5200 - P0A2D00 evident within address 51 - Drive Motor Control Module. Customer statement / workshop findings: Engine warning light within the Driver Instrument Panel (DIP) The following DTCs are evident within address 51 - Electric Drive Motor for: Workshop findings One or a combination of the following DTCs are evident within address 51 - Electric Drive Motor - P0C5C00: Drive Motor A Position Sensor Circuit B Low And/or - P0C5200: Drive Motor A Position Sensor Circuit A Low And/or - P0A2D00: Drive Motor A Temperature Sensor Circuit High Technical background: In the event the symptoms described are evident the operative should refer to the instructions within the Measure section of this TPI. |
| 2059027/4 | 2022-06-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Customer statement / workshop findings: Various warning messages on Driver Instrument Panel (DIP) Unable to select EV Drive mode. Fault codes stored in multiple diagnostic addresses for Data-bus errors. Diagnostic Trouble Codes (DTCs) P0C5*00 - Drive motor A faults - stored in address 51 - Drive Motor Control Module . Technical background: DTCs - P0C5*00 - may be set within address 51 - Drive Motor Control Module If the transmission 12 Volt harness becomes damaged or there are unsatisfactory electrical connections within the connector for Drive Motor Position Sensor. The stored DTCs would indicate an issue with Drive motor A, however, prior to carrying out any fault diagnosis use the information within the Measure section of this document as an initial check. |
| 2066862/1 | 2022-06-03. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Various errors with front lamps - DTC C123BFA - Bulb for parking light short circuit' logged in address D6 and/or D7. Customer statement / workshop findings: One or a combination of the issues shown below are evident - The side light within the front lamp does not work - The park light function does not work in the main lamp - The signal lamp is also disabled - DTC C123BFA - Bulb for parking light short circuit logged within diagnostic address D6 (light control left) and/or D7 (light control right) Technical background: The DTCs once triggered are unable to be cleared In the event the symptoms are as described, conduct the instructions within the Measure section to completion noting the following: - The update to address D6 Must be done first followed by the update to address D7 - Regardless of the DTC which is evident or the address in which the DTC/DTCs are evident, both SVM codes MUST be applied |
| 2055036/5 | 2022-06-02. Service bulletin. ELECTRICAL SYSTEM. My Bentley - Connected services. Customer statement / workshop findings: Complaints relating to My Bentley connected services. Technical background: Most queries and complaints regarding My Bentley connected services can be resolved by contacting My Bentley Support rather than raising a DISS technical query. My Bentley support have access to additional admin tools and systems to help resolve any queries; and also have the ability to raise DISS technical queries if required. |
| 2066591/1 | 2022-05-06. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. DTC P263500 with symptom code -10061 - Noise from within the fuel tank. Customer statement - Engine warning light illuminated within the DIP And/or - Drive system fault warning within the DIP (Figure 1) Workshop findings - DTC P263500 - Fuel Pump A Low Flow/Performance evident within diagnostic address 01 and/or 11 - With symptom code 10061 - Noise from within the fuel tank (fuel pump) - Refer to the video on the Bentley hub referencing TPI 2066591/- Technical background Prior to conducting the instructions within this TPI, the retailer must check and confirm there are no other issues evident with the vehicle for example: - Misfire related DTCs - Low pressure fuel DTCs other than DTC P263500 - Damaged fuel hoses and pipes - Examine all hoses and pipes external of the fuel tank - Fuel leaks. |
| 2066850/1 | 2022-05-06. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Rear lamp electrical defect - Numerous DTC's evident. Customer statement / workshop findings - Rear lamp warning within the DIP - Numerous DTCs within diagnostic address 46 (J393) - Faulty rear lamp operation Refer to the examples below showing the most popular DTCs which have been evident in conjunction with the afore mentioned symptoms B11E913: Left rear turn signal bulb Open circuit B133413: Right Brake/Turn Signal Lamp Open circuit B16D5F4: Left tail light 2 turn signal lamp failure B12C213: Left Tail Light Lamp Open circuit B12C313: Right brake light bulb Open circuit B16D5F2: left tail lamp 2 Tail lamp faulty B16D7F1: Right rear tail lamp 2 LED faulty Technical background Should the symptoms described be evident please refer to the Measure section of this TPI |
| 2063855/3 | 2022-05-04. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE; STEERING. DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5. Customer statement / workshop findings: 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. Measure: 1) Referring to Rep.Gr 48 - Remove the steering wheel Please note the replacement steering wheel is supplied without the multifunction switches (E440 and E441) fitted, the switches will require transferring from the original steering wheel to the replacement steering wheel as per Rep.Gr 96 HINT: Depending on vehicle specification some steering wheels may have extra components which require swapping for example: Control modules/harnesses which are secured/located to the steering wheel 2) Conduct a visual check between the original steering wheel and the replacement steering wheel to confirm all applicable components have been transferred successfully 3) Referring to Rep.Gr 48 - Fit the new replacement steering wheel ensuring a new steering wheel centre bolt is ALWAYS used 4) Erase all applicable DTCs |
| 2062080/5 | 2022-04-08. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Bentayga V8 Kovomo and V6 (Hybrid) - Fuel Pressure Regulation. Customer statement / workshop findings: Check Engine Lamp illuminated within the Driver Instrument Panel (DIP) with one or multiple DTCs as detailed below: -P310B00 with symptom code 2636 - Low Fuel Pressure Regulation Low Fuel Pressure Regulation -P014800 Fuel Deliver Error -P019100 Fuel Rail pressure Sensor A Circuit Range/Performance Misfire DTCs There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues, Measure: Check Engine Lamp Illumination with DTC P310B00 and symptom code 2636 - Engine Running Concerns, Fuel system issues -P310B00 Low Fuel Pressure Regulation symptom code 2636 -P014800 Fuel Deliver Error -P019100 Fuel Rail pressure Sensor A Circuit Range/Performance Misfire DTCs 1) If not already done, raise a DISS query. 2) Check Low fuel pressure, specified value and Fuel low pressure, actual value within the fault memory, refer to ECU 01 Engine Control Module 1 - From Extended ambient conditions note the values of the Low fuel pressure, specified value and Fuel low pressure, actual value as shown in Figure 1. |
| 2063657/2 | 2022-04-07. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. P245000 - EVAP System Switching Valve "A" Performance/Stuck Open DTC logged - Bentayga V8 Kovomo. Customer Statement: Emission control system warning light illuminated within the DIP (Figure 1) Figure 1 Workshop findings DTC P245000 - EVAP System Switching Valve "A" Performance/Stuck Open - With symptom code 11952. Measure: Fuel System vapours are extremely flammable. Please refer to the Repair manual "Fuel system - Safety precautions" before commencing with any fuel system procedures 1) Referring to the applicable wiring diagram conduct a wiring integrity check of the Leak Detection Pump wiring circuit and connectors 2) Perform a smoke test of the leak detection system - Monitor for any leaks 3) If no faults were found - Refer to Rep.Gr 20 - Replace the leak detection pump (V144) 4) Inspect the LDP for impact damage when extracted, the operative must provide feedback and photographic evidence (see example shown in Figure 2) via a new or existing DISS query |
| 2066497/1 | 2022-04-07. Service bulletin. ELECTRICAL SYSTEM. Bentayga Hybrid - Unable to charge the high voltage battery or charging starts and then stops. Customer statement: Unable to charge the high voltage battery, or charging starts and then stops. Workshop findings: The following DTCs are evident within the high voltage battery charger control module (Diagnostic address C6) - P33EC00: External plug in charge socket A electrical error - P31CB00: Immediate upload button Stuck Closed - P168F00: System malfunction And/or The following DTC is evident within hybrid battery management control module (Diagnostic address 8C) - P0E5E00: Battery charger control module processor performance. Measure: 1) Referring to Rep.Gr 93 - Carry out an Inspection and classification of the Hybrid battery unit AX1 |
| 2066561/1 | 2022-04-07. Service bulletin. COMMUNICATION; ELECTRICAL SYSTEM. High Voltage battery Charger communication DTC U113900 - Stored in address 17 - Dashboard. Customer statement / workshop findings: The following DTC is evident within diagnostic address 17 - Dashboard - High Voltage battery Charger communication DTC U113900. Measure: Should no other issues be evident with the High Voltage charging system, DTC U113900 stored within address 17 can be ignored Technical product information High Voltage battery Charger communication DTC U113900 - Stored in address 17 - Dashboard Transaction No.: 2066561/1 |
| 2065715/1 | 2022-04-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM. Bentayga Hybrid - Emission control system warning lamp illuminated within the DIP - Potential wiring clash condition. Customer statement / workshop findings: - Emission control system warning lamp illuminated (Figure 1) within the Driver Information Panel (DIP) Figure 1 Workshop findings - Various/numerous open circuit DTCs evident within the Engine control unit (Address 001). Measure: VERY IMPORTANT: Hybrid vehicles use a High voltage system and MUST only be worked on by suitably qualified personnel 1) Using the applicable wiring diagram, conduct wiring integrity checks to confirm the wire(s) which are damaged/chaffed TIP: Overlaying the suspected damaged wiring can be conducted to confirm the issue, the overlayed wiring MUST NOT be left in place, all damaged wiring MUST be repaired as per all Elsa pro guidelines 2) Referring to Rep.Gr 97 - Repair the damaged wire(s) Technical product information Bentayga Hybrid - Emission control system warning lamp illuminated within the DIP - Potential wiring clash condition Transaction No.: 2065715/1 3) Remove all sharp edges which could damage the main wiring harness 4) Reposition and secure the main wiring harness. |
| 2065697/1 | 2022-04-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM. Bentayga Hybrid - Emission control system warning lamp illuminated within the DIP - Open circuit DTC's evident. Customer statement: - Emission control system warning lamp illuminated (Figure 1) within the Driver Information Panel (DIP) Figure 1 Workshop findings - Various/numerous open circuit DTCs evident within the Engine control unit (Address 001) - Fuse 6 (SA fuseboard) in some cases could be blown. Measure: VERY IMPORTANT: Hybrid vehicles use a High voltage system and MUST only be worked on by suitably qualified personnel 1) Using the applicable wiring diagram, Conduct a wiring integrity check to confirm the wire(s) which are damaged/chaffed TIP: Overlaying the suspected damaged wiring may be carried out to confirm the actual issue, the overlayed wiring MUST NOT be left in place, all damaged wiring MUST be repaired as per all Elsa pro guidelines 2) Using the applicable repair manual Rep.Gr - Gain access to the main body harness damaged wiring - Take clear photographs of the issue (once identified) the photographs should be saved as they are required to uploaded to a non-technical DISS query after the repair has been conducted. |
| 2066502/1 | 2022-04-07. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Charging starts and stops when using a public charging unit. Customer statement / workshop findings: When using a public charging unit to charge the high voltage battery, charging starts and is then interrupted/stops Workshop findings The following DTC is also evident: P33E800: Charge socket A, charge connector lock mechanical malfunction passive/sporadic. Measure: 1) Referring to Rep.Gr 93 - Carry out an Inspection and classification of the Hybrid battery unit AX1 VERY IMPORTANT: In the event that the classification result of the battery is Normal the operative should conduct the remaining steps of this TPI from step 2 However If the classification result of the battery is either Danger or Warning then move the car to the quarantine area and raise a DISS immediately, the operative MUST NOT continue with any other work unless instructed via the open DISS query 2) Check the operation of the charging system using the customers and the retailers own charging equipment 3) Run a full diagnostic log and check if the DTC within the Technical background section are evident. |
| 2066246/1 | 2022-04-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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. Measure: 1) Referring to Rep.Gr 93 - Carry out an Inspection and classification of the Hybrid battery unit AX1. |
| 2059392/2 | 2022-04-07. Service bulletin. ELECTRICAL SYSTEM. Bentayga - PDC system not working or PDC system false detection. Customer statement / workshop findings: - PDC system not working or PDC system false detection - Warning evident within the DIP Workshop findings: - Parking aid sensor Range/Performance DTCs evident within numerous control units Technical background: Refer to the Measure section of this TPI |
| 2065924/2 | 2022-04-06. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. Bentley dynamic ride system warning displayed - DTC C1260F0 with symptom code 262400 present within address 0074. Customer statement / workshop findings: Bentley dynamic ride system fault warning displayed Workshop findings DTC C1260F0 with Symptom Code 262400 - Compressor electronics for level control No communication evident within the Air suspension control module (address 0074) Technical background: Refer to the Measure section of this TPI. |
| 2066236/1 | 2022-04-06. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Unintended sounding of the Alarm siren - Following activation of the ignition or whilst the vehicle is left standing. Customer statement / workshop findings: 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. The following DTCs could also be evident within diagnostic address 0046 and/or 00BB and/or 00BC - 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 Technical background: In the event the symptom(s) described are evident, please refer to the instructions within the Measure section of this TPI |
| 2058484/6 | 2022-03-02. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation. Customer statement / workshop findings: Check Engine Lamp illuminated within the Driver Instrument Panel (DIP) in conjunction with the DTC as detailed below: - P310B00 with symptom code 2638 - Low Fuel Pressure Regulation There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues. Measure: Check Engine Lamp Illumination with DTC P310B00 and symptom code 2638 1) For vehicles that only have the symptoms: - Check Engine Lamp Illumination with DTC P310B00 and symptom code 2638 with an Adaption of Fuel Pump (FP) figure of minus 100 to minus 200 kPa Figure 1 - the Fuel Delivery Module within the fuel tank should be replaced Figure 2 - Refer to Repair Group 20 Fuel supply, gas operation / 4.0L V8 TSI / Fuel pump, fuel level sensors, and jet pump (RH) To remove and fit. |
| 2062080/4 | 2022-03-02. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Bentayga V8 Kovomo - Fuel Pressure Regulation. Customer statement / workshop findings: Check Engine Lamp illuminated within the Driver Instrument Panel (DIP) with one or multiple DTCs as detailed below: - P310B00 with symptom code 2636 - Low Fuel Pressure Regulation Low Fuel Pressure Regulation - P014800 Fuel Deliver Error - P019100 Fuel Rail pressure Sensor A Circuit Range/Performance - Misfire DTCs There may be multiple DTCs and symptoms present due to fuel pressure regulation or fuel supply issues. Measure: Check Engine Lamp Illumination with DTC P310B00 and symptom code 2636 - Engine Running Concerns, Fuel system issues - P310B00 Low Fuel Pressure Regulation symptom code 2636 - P014800 Fuel Deliver Error - P019100 Fuel Rail pressure Sensor A Circuit Range/Performance - Misfire DTCs 1) If not already done, raise a DISS query. 2) Check Low fuel pressure, specified value and Fuel low pressure, actual value within the fault memory, refer to ECU 01 Engine Control Module 1 - From Extended ambient conditions note the values of the Low fuel pressure, specified value and Fuel low pressure, actual value as shown in Figure 1. |
| 2065926/1 | 2022-03-02. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Fuel pressure regulator - DTC P242200 with symptom code 14536 evident within address 0001. Customer statement / workshop findings Customer statement: The warning lamp for the emission control system is displayed within the DIP Workshop findings: DTC P242200 with Symptom Code 14536 - EVAP System Vent Valve Stuck Closed - DTC evident in Engine Control Module Address 0001. Measure VERY IMPORTANT: The following repair work MUST only be conducted by suitably qualified personal 1) Referring to Rep.Gr 20 - Replace the Pressure regulator assembly and associated components 2) Conduct a road test in EV Mode and/or Hybrid drive mode where possible 3) On return from road test - Check to confirm the issue is resolved and DTC P242200 is not evident within address 0001 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.