# Service bulletin A371387 2029305\-

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: 10123977
- Published by NHTSA: 2017\-11\-17
- Manufacturer's number: A371387 2029305\-
- Manufacturer's date: 2013\-02\-06
- NHTSA component: POWER TRAIN

## NHTSA's summary

Supersedes Technical Service Bulletin Group 37 number 13\-84 dated January 31, 2013. Customer may report harsh downshifts while braking or harsh 1\-2 upshift under acceleration concerns. Customer may report harsh downshifts while braking or harsh 1\-2 upshift under acceleration concerns.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10123977-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10123977-0001.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2013 AUDI A4 ALLROAD
- 2013 AUDI A5
- 2013 AUDI A5 CABRIOLET
- 2013 AUDI A6
- 2013 AUDI A7
- 2013 AUDI A8
- 2013 AUDI ALLROAD
- 2013 AUDI Q5

## Other bulletins for the same vehicles and component

- [TSB\_2034863\_5](/bulletins/11035798.md), 2026-08-05, Service bulletin: POWER TRAIN. This bulletin provides infomraiotn when there is a gearbox malfunction message in the instrument clostuer; DTC P0706; vehicles with 0AW gearbox.
- [TSB\_2082046\_1](/bulletins/11034701.md), 2026-07-07, Service bulletin: POWER TRAIN. This bulletin provides information when there is a strong jolt after engine automatically starts in start\-stop mode; vehicles with 0BK \& 0BL Gearbox.
- [TSB\_2036278\_3](/bulletins/11034640.md), 2026-07-07, Service bulletin: POWER TRAIN. This bulletin provides information when there are rough downshifts when the vehicle is slowed to a stop.
- [TSB\_2028985\_13](/bulletins/11034639.md), 2026-07-07, Service bulletin: POWER TRAIN. This bulleitn procides informaiton when tehre is a transmission warning mssage in the instrument cluster; P074100 is stored in the TCM.
- [TSB\_2028902\_5](/bulletins/11034638.md), 2026-07-07, Service bulletin: POWER TRAIN. This bulletin provides informaiton when the transmission warning message appears in the cluster; P074100 stored in the TCM.
- [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\_2074808\_3](/bulletins/11027358.md), 2026-01-07, Service bulletin: POWER TRAIN. This bulletin provides additoinal information to assist in determining the energy content of lithium\-ion high\-voltage batteries.
- [TSB\_2074857\_2](/bulletins/11020353.md), 2025-07-08, Service bulletin: POWER TRAIN. This bulletin provides information when there are noises/vibrations in tight bends; Q7 and A8 models.
- [A3924742074859\_1](/bulletins/11009937.md), 2024-11-06, Service bulletin: POWER TRAIN. This bulletin provides additional information pertaining to continued noises/vibrations in tight bends \- Q7 and A8 vehicle models.
- [A3924692074857\_1](/bulletins/11007311.md), 2024-09-06, Service bulletin: POWER TRAIN. This bulletin provides information when there are noises/vibrations in tight bends; Q7 and A8 models.

JSON: [/v1/bulletins/10123977](/v1/bulletins/10123977)

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