# Service bulletin A3921422051558\_6

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: 10188595
- Published by NHTSA: 2021\-04\-06
- Manufacturer's number: A3921422051558\_6
- Manufacturer's date: 2021\-03\-02
- NHTSA component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## NHTSA's summary

This bulletin contains repair instructions for when the message "four\-wheel drive malfunction" shows up sporadically in the instrument cluster with DTC C05ED00.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188595-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188595-9999.pdf)

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

## Components

Electrical system, Instrument cluster

## Trouble codes named

C05ED

## Vehicles listed

- 2018 to 2019 AUDI A4
- 2018 to 2019 AUDI A5
- 2018 to 2019 AUDI A5 CABRIOLET
- 2018 to 2020 AUDI A6
- 2018 to 2020 AUDI A7
- AUDI AUDI
- 2018 to 2019 AUDI Q5
- 2018 to 2019 AUDI S4
- 2018 to 2019 AUDI S5
- 2018 to 2019 AUDI S5 CABRIOLET
- 2018 AUDI S6
- 2019 AUDI S6
- 2020 AUDI S6
- 2018 AUDI S7
- 2019 AUDI S7
- 2020 AUDI S7
- 2018 to 2019 AUDI SQ5

## Recalls for the same vehicles and component

- [22V155000](/recalls/nhtsa/22V155000.md), 2022-03-14: ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT
- [19V473000](/recalls/nhtsa/19V473000.md), 2019-06-19: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## Other bulletins for the same vehicles and component

- [A9424802055123\_5](/bulletins/10254069.md), 2024-05-07, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information when the rear lighting warning is displayed in the instrument cluster; various DTCs are stored in the comfort system control module.
- [A9024702072620\_1](/bulletins/10249159.md), 2024-02-06, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information when the Audi presesnse malfunctions or the driver assist systems are inoperable and DTC C12D5FA is stored.
- [A9024692072619\_1](/bulletins/10249158.md), 2024-02-06, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information when the Presense has a malfunction or if driver assist systems are sporadically inoperative; DTC B200FD9 is stored in the driver assist module.
- [A9024682072617\_1](/bulletins/10249157.md), 2024-02-06, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for parking aid inop, DTC B107A16 stored in the driver assistance system with symptom code 233474
- [A9023642072514\_1](/bulletins/10248168.md), 2024-01-04, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT. This bulletin provides information when the speedometer needle flickers in the Audi virtual cockpit while driving.
- [A9023562032113\_8](/bulletins/10246152.md), 2023-12-06, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides general information about the outside air temperature reading.
- [A9023362071329\_1](/bulletins/10241234.md), 2023-09-01, Service bulletin: ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. This Pending Service Solution requests that technicians create a PSS record in instances where the Audi Virtual Cockpit speedometer needle flickers while driving.
- [A9023322059335\_4](/bulletins/10240154.md), 2023-08-04, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides information for when there is noise from the area around the instrument cluster.
- [A9123032070046\_2](/bulletins/10238187.md), 2023-07-10, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information for when the emergency call warning appears in the instrument cluster when leaving an area of cellular coverage.
- [A4323742059665\_5](/bulletins/10236617.md), 2023-06-06, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This bulletin provides an SVM update for when the warning light for the suspension appears in the instrument cluster, and the SVM registers an unknown event when carrying out "Check control unit configuration" and cannot be automatically parameterized.

JSON: [/v1/bulletins/10188595](/v1/bulletins/10188595)

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