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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

Bulletins, newest first
2071047/32023-12-06. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS; SEAT BELTS. DTC 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).
2071149/22023-12-06. Service bulletin. ELECTRICAL SYSTEM. Testing 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
2051519/132023-12-06. Service bulletin. VISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. HVAC 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).
2054862.102023-11-08. Service bulletin. SERVICE BRAKES, HYDRAULIC. Bentayga Front Brake Squeal - 1.5 KHz to 2.0 KHz Customer Statement: -Front brake squeal with a frequency of 1.5 KHz to 2.0 KHz
2071730.12023-11-08. Service bulletin. SERVICE BRAKES, HYDRAULIC. Bentayga rear brake noise/squeal - Repair method depending on the brake noise frequency (Iron brakes only) Customer Statement: -Brake noise/squeal from the rear brakes
2071730.12023-11-08. Service bulletin. SERVICE BRAKES, HYDRAULIC. Bentayga Rear Brake Noise/Squeal - Repair method depending on the brake noise frequency (iron brakes only) Customer Statement: -Brake noise/squeal from the rear brakes
2071047.22023-11-08. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. DTC B101C29 and/or DTC B101D29 evident within the airbag control unit (j234) Customer Statement: -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
2028794.72023-11-08. Service bulletin. ENGINE AND ENGINE COOLING. Engine Coolant Mixture - Restrictions on use of desalinated water Customer Statement: -Engine coolant requires topping up or replacing
2052785.82023-11-08. Service bulletin. SERVICE BRAKES, HYDRAULIC; UNKNOWN OR OTHER. Brake Noise Identification: Customer Statement: -Noise/squeal complaint from the braking system Technical Background: -The noise/squeal can be reproduced and clearly assigned to the braking system
2061582.82023-11-08. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR; STRUCTURE. Driver/Passenger door/s creak on close - Bentayga Customer Statement: -Driver and/or Passenger door creak during the (Power close) function
2060458.32023-11-08. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM; STRUCTURE. Water Ingress onto the front reading light Customer Statement: -Water drips from the front interior light. The water drips directly from the electric drive of the front sun roof motor.
2071674.22023-11-08. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. V8 Kovomo - DTC - P025C00: Fuel Pump Module Control Circuit Low Logged in 0001 Customer Statement: -Engine management light illuminated within the DIP -DTC P025C00 Fuel Pump Module Control Circuit Low is evident within 0001
2065664.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Bentayga V8 Kovomo - Engine MIL light on - DTC O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 Customer Statement: -DTC P004100: O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 is evident within address 0001 (Engine control unit) and MIL light active after attempting to conduct a readiness test
2071668.12023-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. V8 Kovomo - Engine Misfires - Engine management light illuminated within the DIP Customer Statement: -Engine misfiring -Engine running rough (not refined) -Engine misfire DTCs evident -Engine management light illuminated within the DIP -Knocking noise from the cylinder head
2068273.32023-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Multiple Random Misfires Evident During PDI Customer Statement: -Multiple random cylinder misfire DTCs detected during PDI - DTC P030000: Random/Multiple Cylinder Misfire Detected (misfires on multiple cylinders) within the following control units: -V8 - ECM 1 - V8 (Address 01) ECM control unit -W12 - ECM 1 - (Address 01) and/or ECM 2 (Address 11)
2067597.32023-11-08. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; EQUIPMENT; ELECTRICAL SYSTEM. Door Speakers (Naim) not illuminating with the door(s) closed regardless if the exterior lights are on or off Customer Statement: The Naim door speaker logo does not illuminate when the door is closed and the external lights are switched on
2066852.42023-11-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Shaker Speaker - Diagnostic Checks Customer Statement: -Customer complains of poor quality music output from the shaker speaker due to a rattling noise/sound distortion
2066236.32023-11-08. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES; EQUIPMENT; ELECTRICAL SYSTEM. Unintended 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
2065926.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Fuel pressure regulator - DTC P242200 with symptom code 14536 evident within address 0001 Customer Statement: The warning lamp for the emission control system is displayed within the DIP
2065918.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING. V8 Kovomo - Bentayga - Water pump drive gear cover (Deletion) Customer Statement: -The original water pump has a cover fitted directly over the top of the water pump drive gear (Figure 1)
2065760.32023-11-08. Service bulletin. STRUCTURE. Rear Jacking point - Sill damage found during PDI Customer Statement: -Damage found around the rear sill Jacking point during PDI (Figure 1)
2065715.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Bentayga Hybrid - Emission control system warning lamp illuminated within the DIP - Potential wiring clash condition Customer Statement: -Emission control system warning lamp illuminated (Figure 1) within the Driver Information Panel (DIP)
2065697.32023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM. Bentayga Hybrid - Emission control system warning lamp illuminated within the DIP - Open circuit DTCs evident Customer Statement: -Emission control system warning lamp illuminated (Figure 1) within the Driver Information Panel (DIP)
2065197.32023-11-08. Service bulletin. SUSPENSION. Squeaking/creaking noises from the front axle and/or leaks at the lower ball joint/s Customer Statement: -Squeaking/creaking noises when steering/manoeuvring or when the suspension compresses and/or -A leak is visible at the boot of the lower ball joint (grease emerging) however the boot does not show any damage
2065148.32023-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. V8 Kovomo - Engine MIL light on - DTC P04F000: EVAP system high pressure purge line performance evident Customer Statement: -Engine MIL light illuminated within the DIP

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