# Service bulletin A08202201UC

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.

- Type: Service bulletin
- NHTSA id: 10224221
- Published by NHTSA: 2022\-10\-17
- Manufacturer's number: A08202201UC
- Manufacturer's date: 2022\-08\-16
- NHTSA component: EQUIPMENT:ELECTRICAL

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10224221-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10224221-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories

## Vehicles listed

- 2019 to 2022 ROLLS\-ROYCE CULLINAN
- 2016 to 2018 ROLLS\-ROYCE DAWN

## Other bulletins for the same vehicles and component

- [RR64605110](/bulletins/10203320.md), 2021-11-08, Service bulletin: EQUIPMENT. The vehicle has been brought to the workshop with a complaint relating to the SoE function.
- [RR65537744](/bulletins/10200503.md), 2021-08-23, Service bulletin: STRUCTURE; EQUIPMENT. The glovebox has difficulty opening and closing, or in some instances will not open or close
- [RR65537732](/bulletins/10200502.md), 2021-08-23, 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.
- [RR65537163](/bulletins/10194325.md), 2021-05-24, 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.
- [RR65334268](/bulletins/10194322.md), 2021-05-24, Service bulletin: EXTERIOR LIGHTING; EQUIPMENT. Visible cracks or hazy areas present in the surface of the LED headlight lens
- [RR65217845](/bulletins/10194321.md), 2021-05-24, 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.
- [RR65503553](/bulletins/10184604.md), 2020-12-21, Service bulletin: ENGINE; EQUIPMENT; FUEL SYSTEM, GASOLINE. Information and instructions on carrying out a Cylinder Leakage Test on an N74 engine
- [RR65501910](/bulletins/10182637.md), 2020-11-16, Service bulletin: STRUCTURE; EQUIPMENT. Change of Torque \- Sunroof fixings: Fixing torque of bolts securing sunroof frame to the body have been increased.
- [RR64605110](/bulletins/10182633.md), 2020-11-16, 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.
- [RRA09202008](/bulletins/10181245.md), 2020-10-19, 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.

JSON: [/v1/bulletins/10224221](/v1/bulletins/10224221)

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