# Service bulletin TSB\_2078134\_2

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: 11027331
- Published by NHTSA: 2026\-01\-07
- Manufacturer's number: TSB\_2078134\_2
- Manufacturer's date: 2025\-12\-04
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This bulletin provides information when the electric drive system warning lamp lights up; P0BBD00.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027331-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027331-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

P0BBD

## Vehicles listed

- 2022 to 2024 AUDI Q4 E\-TRON
- 2022 to 2024 AUDI Q4 SPORTBACK E\-TRON

JSON: [/v1/bulletins/11027331](/v1/bulletins/11027331)

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