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Service bulletins for the 2020 Rolls-Royce Dawn

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.

18 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
A072022062022-08-22. Service bulletin. ELECTRICAL SYSTEM. The vehicles identified may potentially not transfer incoming voice audio during a telematics call due to the 3G network deactivation in the United States. Therefore, this will affect all Connected Services voice audio in an Emergency call (E-call), Concierge call and Roadside assist calls.
RRA122021022022-01-24. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Electronic Transmission Error.
RRA122021032022-01-24. Service bulletin. SERVICE BRAKES; EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:BRAKING; EQUIPMENT. The affected vehicles have been identified as having a potential issue concerning the rear brake carrier fixings. It could be possible that during the rear axle assembly, the rear brake carriers were fitted with incorrect fixing (T orx El4 instead of the correct El6).
RR655629892021-11-08. Service bulletin. ENGINE AND ENGINE COOLING. Complaints of deposits, crystalisation or emulsification in the coolant expansion tanks.
RR653342682021-05-24. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT. Visible cracks or hazy areas present in the surface of the LED headlight lens
RR653913252021-04-26. Service bulletin. ENGINE AND ENGINE COOLING. Rolls-Royce Motor Cars have recently seen a few cases of defective sealing rings on injectors
RR655035532020-12-21. Service bulletin. ENGINE; EQUIPMENT; FUEL SYSTEM, GASOLINE. Information and instructions on carrying out a Cylinder Leakage Test on an N74 engine
RRA102020052020-11-23. Service bulletin. ENGINE AND ENGINE COOLING. Supporting Evidence for Oil Leaks: In order for Rolls-Royce Motor Cars to continuously improve product quality, visual evidence is now required to support all claims for repairs to components due to oil leakage concerns.
RR655029682020-11-23. Service bulletin. WHEELS. Visible Condensation in Self-Aligning Hub Cap: The centre hub caps with self-aligning RR emblems have visible moisture behind the clear lens.
RR646051102020-11-16. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. SoE - Diagnosis guides and quality reporting: The vehicle has been brought to the workshop with a complaint relating to the SoE function.
RRA092020082020-10-19. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. An issue has been identified concerning the programming of all Ghost, Wraith and Dawn RR4/5/6 model variants with ISTA4.25 which includes vehicle software version F001-20-07-521. An execution block has been implemented. When prompted by ISTA please program with alternative I-Level vehicle software version F001-20-03-540.
RRA09202005UC2020-10-19. Service bulletin. FUEL SYSTEM, GASOLINE. A number of Rolls-Royce Ghost (RR4), Wraith (RR5) and Dawn (RR6) vehicles have been identified as having an issue concerning the DMTL fuel vapor leakage detection robustness. MIL may not be illuminated when fuel vapor leakage is taking place.
RR654818332020-10-19. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. The vehicles ride height drops over night or is low after being parked for a prolonged period. A Check Control Message (CCM) may also illuminate when entering the vehicle.
RR654648522020-09-14. Service bulletin. STEERING. Creaking noise from around the steering the wheel / steering column area when steering.
RR653342682020-09-14. Service bulletin. EXTERIOR LIGHTING. Visible cracks or hazy areas present in the surface of the LED headlight lens.
RR654808482020-08-31. Service bulletin. ENGINE; ELECTRICAL SYSTEM. MIL light on/Engine management light on or/and engine running rough.
RR53703642020-08-31. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN; EQUIPMENT. Transmission oil has collected on the automatic transmission or there is oil moisture/sweating in this area. There are traces of oil in the oil sump gasket area (see attachment, Fig. 1) or stains/dirty edges can be seen on the underbody panelling.
RR654520472020-07-27. Service bulletin. ENGINE; POWER TRAIN. Customer may experience intermittent warnings regarding the temperature of the engine or transmission.

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