Service bulletins for the 2021 Bentley Continental
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.
813 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission and driveline are shown. Show all
| 2053170/6 | 2020-11-05. Service bulletin. POWER TRAIN; EQUIPMENT; ENGINE; ELECTRICAL SYSTEM. Gear shift optimisation procedure - W12 TSI only. Customer statement / workshop findings: Customer reporting dissatisfaction with transmission shift quality in various driving conditions Prior to starting the instructions within this TPI, the Retailer must check and confirm the vehicle is in standard factory condition and has not had any non- approved aftermarket modifications conducted including the modification of the engine control modules ( chip tuning) Should any aftermarket modifications be found, the Retailer must make Product Support aware by raising a DISS query to report the details of the modification, you must then await feedback from Product Support before conducting any further repairs relating to the shift quality complaint Technical background: IMPORTANT: To allow the engine and transmission to adapt to the customers driving style the vehicle MUST either have covered at least 1000 miles/1600 Km or must have been used over a six week period (which ever occurs first) before carrying out the instructions within this TPI |
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| 2053428/4 | 2020-11-04. Service bulletin. POWER TRAIN. Vibration noise from the powertrain when park or neutral is selected. Customer statement / workshop findings: Vibration/Tizzing noise from the powertrain area when the vehicle is in Park or Neutral, the noise typically disappears in Drive Technical background: The noise is caused by contact between the transmission cooler pipes and the front subframe |
| 2060596/2 | 2020-11-03. Service bulletin. POWER TRAIN; SERVICE BRAKES; ELECTRICAL SYSTEM. Transmission DTC - U040100 50273/C461 Invalid Data Received From ECM/PCM A. Customer statement / workshop findings: Diagnostic Trouble Code (DTC) U040100 50273/C461 Invalid Data Received From ECM/PCM "A" stored within the Transmission Control Unit. Technical background: During Adaptive Cruise Control (ACC) brake to stop events, it is possible for the brake pressure to decay at a rate outside of specified parameters, DTC - U040100 50273/C461 Invalid Data Received From ECM/PCM "A" will therefore be stored within the Transmission Control Unit. When the DTC is stored the Customer will not be aware, there will be no warning from the Driver Instrument Panel (DIP) and no effect on performance of the vehicle. |
| 2060596/1 | 2020-10-08. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; EQUIPMENT; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Transmission DTC - U040100 50273/C461 Invalid Data Received From ECM/PCM 'A'. Customer statement / workshop findings: Diagnostic Trouble Code (DTC) U040100 50273/C461 Invalid Data Received From ECM/PCM "A" stored within the Transmission Control Unit. Technical background: During Adaptive Cruise Control (ACC) brake to stop events, it is possible for the brake pressure to decay at a rate outside of specified parameters, DTC - U040100 50273/C461 Invalid Data Received From ECM/PCM "A" will therefore be stored within the Transmission Control Unit. When the DTC is stored the Customer will not be aware, there will be no warning from the Driver Instrument Panel (DIP) and no effect on performance of the vehicle. Measure: If the DTC is found to be stored within the Transmission Control Unit check the status, if it is Passive / Inactive, the DTC should be ignored and no further action taken. If the DTC is Static / Active, then this should be treated as a genuine vehicle fault, analysis and repair of the fault should therefore be carried out. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.