Service bulletins for the 2019 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.
629 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
| 2061044/4 | 2022-07-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. Bentayga Hybrid - Distance covered when in electric mode is not as expected. Customer statement / workshop findings: Customer reports the Hybrid E-range (Electric Driving Range) does not achieve the expected distance. Technical background: VERY IMPORTANT: Please ensure all guidelines within the repair manual are strictly followed before and whilst conducting any work on vehicles with a High voltage system Electric range can depend on multiple factors, e.g. driving style, road gradients, ambient temperature, use of heating / cooling functions, and the use of other electrical consumers on the vehicle. The tests within the Measure section should be carried out (Subject to a genuine customer complaint) to check/confirm that the vehicle is operating correctly and being used efficiently By completing the checks within the Measure section, it should then be possible to determine that the vehicle is operating correctly and within specification. The customer’s Home charging equipment should be used when conducting the Measure section checks |
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| 2065398/2 | 2022-05-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. W12 TSI - Engine MIL light illuminated with numerous DTC's within 0001 including - P032700 and/or P033200. Customer statement: - MIL light displayed - Engine not refined when running Workshop findings The two most common DTCs are as follows: - P032700 - Knock sensor 2 Circuit Low input - address 01 (Engine control module 1) - P033200 - Knock sensor 1 Circuit Low input - address 01 (Engine control module 1) Technical background: In the event the symptoms and/or DTCs are evident the operative should refer to the instructions within the Measure section. |
| 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 |
| 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. |
| 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 |
| 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. |
| 2065919/1 | 2022-03-02. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Water leaking from mechanical water pump - Low coolant level warning displayed - W12 TSI. Workshop findings: - Coolant leaking from the mechanical coolant pump And/or - Low coolant level warning displayed Technical background: The operative MUST ensure the instructions within the Measure section are followed, the instructions differ slightly depending on the part number of the mechanical coolant pump (B or C suffix). |
| 2066040/1 | 2022-03-02. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Oil leak from the oil separator/breather connection - Intake manifold whistle - Emission control warning within the DIP. Customer statement / workshop findings: - Emission control warning within the DIP And/or - Whistling noise(s) from the Inlet manifold Workshop findings: Oil leak between the oil separator tank and the Bank 1 breather line connection (Figure 1) NOTE: Oil leak detection spray is evident within Figure1, the use of detection spray in the example shown highlights the location of the leak. Measure: 1) Referring to Rep.Gr 17 - Gain access to the oil separator tank 2) Referring to Figure 2 - Replace the following parts and all associated parts as detailed within the applicable Rep.Gr and the ETKA parts catalogue |
| 2064776/3 | 2022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. V8 Kovomo - Engine misfires - Engine management light illuminated within the DIP. Customer statement / workshop findings - Engine misfiring - Engine running rough (not refined) - Engine misfire DTCs evident - Engine management light illuminated within the DIP - Knocking noise from the cylinder head (NOTE: The noise can be evident on either bank) Measure VERY IMPORTANT: Before continuing with the onward instructions the operative should confirm if the following VIN applicable Service Campaign is listed within Elsa pro - EC24 - V8 Kovomo - New Continental GT/GTC and New Flying Spur - Valve spring replacement (SC21/41) Or - EC25 - V8 Kovomo - Bentayga - Valve spring replacement (SC21/42) |
| 2064776/2 | 2022-01-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. V8 Kovomo - Engine misfires - Engine management light illuminated within the DIP. Customer statement / workshop findings: - Engine misfiring - Engine running rough (not refined) - Engine misfire DTC’s evident - Engine management light illuminated within the DIP - Knocking noise from the cylinder head (NOTE: The noise can be evident on either bank) IMPORTANT: The symptoms described are typically evident during early life stages of vehicle use (between 100Km and 250Km) Technical background Refer to the Measure section of this TPI in the event the symptoms are as described |
| 2057470/3 | 2022-01-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. Bentayga Hybrid and New Flying Spur - Bentley Home Charging Unit - Not Functioning. Customer statement / workshop findings: High voltage system - Bentley Home Charging Unit (Low version) does not function, the following indicator lights are illuminated in red. Bentley Home Charging Unit is connected to an un-earthed power supply. Technical background: Certain mains power supplies use an un-earthed infrastructure, in these specific circumstances it is necessary to deactivate Protective Earth (PE) conductor monitoring on the Bentley Home Charging Unit. |
| 2063725/2 | 2022-01-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE; EQUIPMENT. Bentayga Hybrid - HVAC compressor noise. Customer statement / workshop findings High frequency noise audible from inside the cabin and/or when standing at the front of the vehicle, the noise is mainly evident whilst operating in hot ambient temperatures The noise increases with compressor speed and interior fan demand Technical background Upon receipt of a customer complaint for excessive HVAC compressor noise, Refer to the video on the Bentley Hub referencing TPI 2063725/- If the noise is as shown within the video, the customer should be advised that this is normal and does not represent a failure or malfunction on the vehicle Ensure customers of Hybrid vehicles are aware of the following: - The HVAC compressor is isolated to the High voltage system and is not controlled by the engine or engine speed - In conditions of high ambient temperature, the operation of the compressor can be audible - This is a known characteristic of this compressor and does not signify a fault Any other noise or fault which is not as described should be reported via an open DISS query The operative should wait for a response from Product Support before conducting any further work |
| 2057460/3 | 2022-01-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. Bentayga Hybrid - Home Charging Unit. Customer statement / workshop findings: Charger for high voltage battery does not have charging cables connected. Technical background: The Bentley Home Charging Unit IC-CPD (In Cable Control & Protection Device) is used to charge the high voltage battery on Bentley Hybrid vehicles. There is a legal requirement for home charging units supplied to Customers to have the Vehicle Charge Cable connected, currently the home charge unit and charging cables are supplied as individual items, this does not meet the required standard certified by Intertek (Certification agency). |
| 2060117/3 | 2022-01-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Bentayga Hybrid - AC charging timer does not function. Customer statement / workshop findings: The AC charging timer does not function. The customer has difficulties with timed charging. Immediate charging works correctly, but when using timed charging there is a problem waking up the on board charger. Technical background: Currently in the event of an issue that causes the vehicle not wake correctly to begin charging at the requested time, the system cannot inform the customer that there has been an issue. Measure: With a confirmed Customer complaint of 'The AC charging timer does not function'. Check for a static event entry in the internal charger (address 00C6), if Diagnostic Trouble Codes (DTCs) are stored then these must be resolved. Otherwise, no further action is necessary, raise an information only DISS referencing this TPI. |
| 2065398/1 | 2022-01-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. W12 TSI - Engine MIL light illuminated with numerous DTCs within 0001 including - P032700 and/or P033200. Customer statement - MIL light displayed - Engine not refined when running Workshop findings The two most common DTCs are as follows: - P032700 - Knock sensor 2 Circuit Low input - address 01 (Engine control module 1) - P033200 - Knock sensor 1 Circuit Low input - address 01 (Engine control module 1) Please note: The DTCs listed are the two most common DTCs (seen to date) although other DTCs may be evident depending on the failure mode (including the boost control solenoid and crankcase ventilation heater DTCs) |
| 2065604/1 | 2022-01-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Suspicion that control units or services have been influenced by third parties. Customer statement / workshop findings: In the event a customer complaint is received relating to a suspicion that control units or services have been influenced by third parties the instructions within this TPI should be followed. Technical background: A suspicion that control units or services have been influenced by third parties means that unauthorised people or groups may have gained access to a vehicle's control unit(s) or online services and may have manipulated them in such a way that may compromise customer data confidentiality or the operation of the vehicle and/or online services. When investigating potential third party influences of control units or online services, it is important to take all normal diagnostic measures to rule out a normal functional error or misuse of the system by the user |
| 2063410/3 | 2022-01-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Infotainment 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 Technical background The operative should continue as follows: - Complete the questionnaire within the Measure section of this TPI (Part 1) once completed the questionnaire should be attached to an existing or already open DISS query - Once the questionnaire is complete, the operative should refer to (Part 2) within the Measure section regarding fault finding/diagnosis of the Infotainment Main unit (5F / J794) |
| 2062261/3 | 2021-12-03. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM. Bentayga - Air suspension warning light within the DIP - DTCs P089200 - C104707 - C103B13 - Evident within Address 74. Customer statement / workshop findings: Air suspension warning light within the DIP Workshop findings: One or a combination of the DTCs shown below are evident within address 74 - P089200 - Symptom Code 3145792 - TCM Power Relay Sense Circuit Intermittent (Level Control Valves Open Circuit) - C103B13 - 3145909 - Solenoid for level control system Open circuit - C104707 - 3211279 - Level control valves mechanical malfunction Technical background: Refer to the Measure section of this TPI |
| 2064680/1 | 2021-11-06. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. DTC P060600 evident within address 51 - Electric drive Control unit. Customer statement / workshop findings: High voltage system warning within the DIP Workshop findings: Power Electronics DTC P060600 evident within address 51 - Electric drive Control unit (DTC cannot be cleared) Technical background: DTC P060600 relates to an Active discharge counter error within address 51 (DTC cannot be cleared) In the event the symptoms are as described, conduct the instructions within the Measure section to completion noting the following: IMPORTANT: There are separate SVM codes and MUST be strictly applied as instructed - 4V051SW01 (MUST BE APPLIED FIRST) - 4V0EDU01 (MUST BE APPLIED SECOND) |
| 2064579/1 | 2021-11-05. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. Bentayga - DTC C11C613 - Air suspension warning displayed in Driver Instrument Panel. Customer statement / workshop findings: Air suspension system warning displayed in the Driver Instrument Panel (DIP) Workshop findings DTC C11C613 (Symptom Code 3145826) - Valve for rapid filling of air suspension Open circuit stored in the Chassis control unit (Address 74) Technical background: In the event that the afore mentioned symptom(s) are evident please refer to the instructions within the Measure section of this TPI. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.