# Service bulletin TSB\_2077740\_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: 11018990
- Published by NHTSA: 2025\-06\-03
- Manufacturer's number: TSB\_2077740\_2
- Manufacturer's date: 2025\-05\-30
- NHTSA component: POWER TRAIN

## NHTSA's summary

This TSB provides information when the gear cannot be selected in cold weather \( DTCs : U303500;U029400;U012900 \).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018990-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018990-9999.pdf)

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

## Components

Transmission and driveline

## Trouble codes named

U0129, U0294, U3035

## Vehicles listed

- 2025 AUDI Q6 E\-TRON
- 2025 AUDI SQ6 SPORTBACK E\-TRON

## Other bulletins for the same vehicles and component

- [TSB\_2080044\_5](/bulletins/11038080.md), 2026-10-05, Service bulletin: POWER TRAIN. This bulletin provides informaiton when position "P" cannot be selected.
- [TSB\_2074808\_4](/bulletins/11033475.md), 2026-06-04, Service bulletin: POWER TRAIN. The high\-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content \(energy density\) being reduced. This reduction in the energy content, which is due to factors. Revised header. Added Model years
- [TSB\_2080045\_3](/bulletins/11027431.md), 2026-01-07, Service bulletin: POWER TRAIN. This bulleitn provides information when the position "P" cannot be selected, or the yellow engine warning lamp lights up; DTC P288B00, P1D4700.
- [TSB\_2080045\_2](/bulletins/11027340.md), 2026-01-07, Service bulletin: POWER TRAIN. This bulleitn provides information when the position "P" cannot be selected, or the yellow engine warning lamp lights up; DTC P288B00, P1D4700.
- [TSB\_2080045\_1](/bulletins/11026277.md), 2025-12-05, Service bulletin: POWER TRAIN. This bulleitn provides information when the position "P" cannot be selected, or the yellow engine warning lamp lights up; DTC P288B00, P1D4700.
- [TSB\_2077740\_4](/bulletins/11021462.md), 2025-08-05, Service bulletin: POWER TRAIN. This bulletin rpovides information when the gear cannot be selected in cold weather \(DTCs U303500; U029400; U012900\).
- [TSB\_2077740\_3](/bulletins/11020369.md), 2025-07-08, Service bulletin: POWER TRAIN. This TSB provides information when the gear cannot be selected in cold weather \( DTCs : U303500;U029400;U012900 \).
- [TSB\_2077740\_1](/bulletins/11017662.md), 2025-05-03, Service bulletin: POWER TRAIN. This TSB provides information when the gear cannot be selected in cold weather \( DTCs : U303500;U029400;U012900 \).

JSON: [/v1/bulletins/11018990](/v1/bulletins/11018990)

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