# Service bulletin A271319 2029010\-

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: 10121306
- Published by NHTSA: 2017\-10\-31
- Manufacturer's number: A271319 2029010\-
- Manufacturer's date: 2013\-10\-07
- NHTSA component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY

## NHTSA's summary

Supersedes Technical Service Bulletin Group 27 number 12\-13 dated March 22, 2012. The customer may report a discharged battery when trying to start the vehicle. The condition results in a no start.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10121306-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10121306-0001.pdf)

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

## Components

Electrical system, 12\-volt battery

## Vehicles listed

- 2005 AUDI A3
- 2006 to 2013 AUDI A3
- 2015 AUDI A3 CABRIOLET
- 2005 to 2010 AUDI A4
- 2013 to 2015 AUDI A4 ALLROAD
- 2011 to 2012 AUDI A4 AVANT
- 2006 to 2009 AUDI A4 CABRIOLET
- 2008 to 2015 AUDI A5
- 2010 to 2015 AUDI A5 CABRIOLET
- 2005 to 2015 AUDI A6
- 2012 to 2015 AUDI A7
- 2005 to 2015 AUDI A8
- 2013 to 2015 AUDI ALLROAD
- 2015 AUDI Q3
- 2009 to 2015 AUDI Q5
- 2007 to 2015 AUDI Q7
- 2008 to 2010 AUDI R8
- 2013 AUDI R8
- 2012 AUDI R8 GT SPYDER
- 2011 AUDI R8 SPYDER
- 2014 to 2015 AUDI R8 SPYDER
- 2013 AUDI RS 5 CABRIOLET
- 2014 to 2015 AUDI RS 7
- 2013 AUDI RS5
- 2015 AUDI S3
- 2005 to 2008 AUDI S4
- 2010 to 2015 AUDI S4
- 2008 to 2015 AUDI S5
- 2014 to 2015 AUDI S5 CABRIOLET
- 2007 to 2010 AUDI S6
- 2013 to 2015 AUDI S6
- 2013 to 2015 AUDI S7
- 2013 AUDI S8
- 2015 AUDI S8
- 2005 to 2006 AUDI TT
- 2007 AUDI TT
- 2008 to 2010 AUDI TT
- 2011 to 2015 AUDI TT ROADSTER

## Other bulletins for the same vehicles and component

- [37139720289859](/bulletins/10226516.md), 2022-11-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Transmission warning message in cluster, P074100 stored in TCM
- [37139620293059](/bulletins/10226515.md), 2022-11-21, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Harsh downshifts when braking or harsh 1\-2 upshift under acceleration
- [27 14 24 2025360](/bulletins/10212673.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Low battery charge: Diagnosis tips and TAC instructions
- [27 13 19 2029010](/bulletins/10212668.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Low battery charge: excess current draw location
- [27 13 18 2023282](/bulletins/10212667.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery testing and charging \- vehicles with BDM
- [26 13 18 2027945](/bulletins/10212659.md), 2022-05-31, Service bulletin: EQUIPMENT:MECHANICAL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Humming or metallic rattling noise from under the vehicle, heard most consistently during engine idle or slow acceleration. Initial inspection indicates that the noise is coming from the exhaust system. Relative movements in the rear mounting of the exhaust system \(rear silencer\).
- [26 13 16 2033884](/bulletins/10212657.md), 2022-05-31, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. If the battery management system detects an issue with the A1 auxiliary battery, EV Mode is disabled. When the ?EV Mode? button is pressed, the message ?EV mode is currently unavailable? \(Figure 1\) appears in the DIS, and EV mode does not activate.
- [37 13 09 2028715](/bulletins/10210652.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:GEARS. After a mechatronics, torque converter, or complete gearbox replacement, the clutches must be adapted to the new component. This requires a gradual move of the clutch linings toward the optimal operating points in the most diverse load conditions. As a result, sporadic driving power disruptions lasting for less than a second or reduced shift comfort are possible over the first 500 miles. This is normal, and these issues will decrease over time. The issues can also occur if the adaptation values of the gearbox were deleted.
- [27 14 24 2025360](/bulletins/10210621.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. This TSB provides basic diagnosis steps for discharged batteries, general tips for working with batteries, and system verification steps to ensure that the vehicle is configured correctly. For additional information on known current draw issues, refer to the following TSBs: ? 2014127: 27 Battery dead or low after returning to the vehicle \(2007 A6, A8, Q7\) ? 2019143: 27 Battery discharged on some vehicles with Advanced Key \(2005 \- 2008 A6, Q7\)
- [26 13 16 2033884](/bulletins/10210605.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. If the battery management system detects an issue with the A1 auxiliary battery, EV Mode is disabled.

JSON: [/v1/bulletins/10121306](/v1/bulletins/10121306)

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