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Service bulletins for the 2020 Rolls-Royce Cullinan

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.

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

By type

By component

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
A08202201UC2022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL. 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.
RR646051102021-11-08. Service bulletin. EQUIPMENT. The vehicle has been brought to the workshop with a complaint relating to the SoE function.
RR655377442021-08-23. Service bulletin. STRUCTURE; EQUIPMENT. The glovebox has difficulty opening and closing, or in some instances will not open or close
RR655377322021-08-23. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. The engine oil level has not been determined for a long time. Please measure engine oil level. The check control message (ID 961) can occur on a new vehicle even with very low usage or relatively low operating hours.
RR655371632021-05-24. Service bulletin. POWER TRAIN; ENGINE; EQUIPMENT. Jerking/Jolting when cornering or accelerating from low speeds and at low to medium loads. Complaint is also perceived as tension fluctuations.
RR653342682021-05-24. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT. Visible cracks or hazy areas present in the surface of the LED headlight lens
RR652178452021-05-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER. The customer complains there is little or no cooling effect from the air conditioning system. When checking the A/C system it is either very low or empty of refrigerant.
RR655035532020-12-21. Service bulletin. ENGINE; EQUIPMENT; FUEL SYSTEM, GASOLINE. Information and instructions on carrying out a Cylinder Leakage Test on an N74 engine
RR655019102020-11-16. Service bulletin. STRUCTURE; EQUIPMENT. Change of Torque - Sunroof fixings: Fixing torque of bolts securing sunroof frame to the body have been increased.
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.
RR654915802020-10-19. Service bulletin. EQUIPMENT; STRUCTURE. The torque figure provided in ISTA / AIR is incorrect.
RR650800662020-08-31. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE:BODY:BUMPERS; EQUIPMENT. The rear bumper upper chrome/dark chrome finisher trim has become detached or has excess movement at one or both ends.

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