# Service bulletin A261215 2026528\-

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: 10122864
- Published by NHTSA: 2017\-11\-08
- Manufacturer's number: A261215 2026528\-
- Manufacturer's date: 2012\-11\-05
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Supersedes Technical Service Bulletin Group 26 number 12\-10 dated March 30, 2012. MIL on. DTC P0491 and P0492 \(Secondary Air System Insufficient Flow, Bank 1/2\) are stored at the same time. Mileage greater than 20,000 miles.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10122864-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10122864-0001.pdf)

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

## Components

Electrical system

## Trouble codes named

P0491, P0492

## Vehicles listed

- 2010 AUDI A4
- 2011 AUDI A4 AVANT
- 2009 to 2011 AUDI A6
- 2009 to 2012 AUDI Q5
- 2009 to 2011 AUDI S6

## Other bulletins for the same vehicles and component

- [TSB\_2059335\_7](/bulletins/11034643.md), 2026-07-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there are noises from the area around the instrument cluster.
- [TSB\_2074729\_3](/bulletins/11034634.md), 2026-07-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
- [TSB\_2081405\_1](/bulletins/11031051.md), 2026-04-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informaiotn about various infortainment system complaints.
- [TSB\_2024323\_13](/bulletins/11030985.md), 2026-04-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings.
- [TSB\_2024323\_12](/bulletins/11030984.md), 2026-04-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings.
- [TSB\_2059335\_6](/bulletins/11029370.md), 2026-03-03, Service bulletin: ELECTRICAL SYSTEM. This TSB provides information when there are noises from the area around the instrument cluster.
- [TSB\_2080681\_1](/bulletins/11028448.md), 2026-02-06, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding contact checks for event memories, intermittent.
- [TSB\_2080329\_1](/bulletins/11028446.md), 2026-02-06, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informaiotn when there are noises from the headliner.
- [TSB\_2056019\_5](/bulletins/11028397.md), 2026-02-06, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the anti\-theft alarm activates for no reason, or does not activate.
- [TSB\_2018187\_18](/bulletins/11027321.md), 2026-01-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there are speaker rattles, vibrations, or audio interference.

JSON: [/v1/bulletins/10122864](/v1/bulletins/10122864)

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