# Service bulletin Circular 91CD

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: 10207109
- Published by NHTSA: 2022\-02\-04
- Manufacturer's number: Circular 91CD
- Manufacturer's date: 2022\-01\-11
- NHTSA component: EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL

## NHTSA's summary

AT\&T has announced its plan to discontinue its 3G network in the U.S. starting in February 2022. This will impact the Audi connect services in certain 2017\-2019 model year Audi vehicles.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10207109-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10207109-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2017 to 2018 AUDI A4
- 2018 AUDI A5
- 2018 AUDI A5 CABRIOLET
- 2017 to 2018 AUDI ALLROAD
- 2018 AUDI Q5
- 2017 to 2018 AUDI Q7
- 2018 to 2019 AUDI RS 5
- 2018 AUDI S4
- 2018 AUDI S5
- 2018 AUDI S5 CABRIOLET
- 2018 AUDI SQ5

## Other bulletins for the same vehicles and component

- [A9124992073629\_1](/bulletins/10253289.md), 2024-05-07, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information when the Apple CarPlay connection is dropped repeatedly in short intervals.
- [Audi\-Q7](/bulletins/10253423.md), 2024-04-22, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Audi Delivery Guidelines.
- [SM 21\-2024](/bulletins/10252104.md), 2024-04-05, Service bulletin: UNKNOWN OR OTHER; EQUIPMENT. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
- [SM 19\-2024](/bulletins/10252019.md), 2024-04-05, Service bulletin: EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
- [SM 17\-2024](/bulletins/10251510.md), 2024-04-05, Service bulletin: UNKNOWN OR OTHER; EQUIPMENT. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
- [AVIN4PIN20240305](/bulletins/10251506.md), 2024-04-05, Service bulletin: EQUIPMENT:ELECTRICAL; UNKNOWN OR OTHER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS; STRUCTURE:BODY:DOOR. Noise from front door trim panel while driving Low coolant warning in cluster, coolant level is correct Front window inoperative Air suspension warning \- DTC P089200 charge handle doesn't release vehicle will not charge Temp sensor DTC P218500 Corrosion on wheelhouse cover plate P008700 \- low fuel pressure P042000: Catalyst System, Bank1 Efficiency Below
- [A9124802055591\_6](/bulletins/10250815.md), 2024-03-06, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for vehicles when the infotainment system sporadically reboots.
- [A9124682072959\_1](/bulletins/10250336.md), 2024-03-06, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT. This bulletin provides information for when Apple CarPlay pops up or takes over audio without user intervention in vehicles with the Audi Smartphone Interface.
- [A9124632044694\_3](/bulletins/10250322.md), 2024-03-06, Service bulletin: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\). This bulletin provides information pertaining to MMI Navigation database concerns.
- [A6824442072897\_1](/bulletins/10250229.md), 2024-03-06, Service bulletin: EQUIPMENT. This bulletin provides information when the electric luggage compartment roll cover is inoperative.

JSON: [/v1/bulletins/10207109](/v1/bulletins/10207109)

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