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Service bulletin 26 12 15 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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10212656
Published by NHTSA2022-05-31
Manufacturer's number26 12 15 2026528
Manufacturer's date2012-11-05
NHTSA componentELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:AIR HANDLER/CHAMBER, DUCTS, AND VALVES

NHTSA's summary

MIL on. DTC P0491 and P0492 (Secondary Air System Insufficient Flow, Bank 1/2) are stored at the same time.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Glass, wipers and mirrors, Heating and air conditioning

Trouble codes named

P0491, P0492

Vehicles listed
AUDI A42010, 2011
AUDI A62009, 2010, 2011
AUDI Q52009, 2010, 2011

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
17V0010002017-01-03. AIR BAGS:SIDE/WINDOW; VISIBILITY:SUN/MOON ROOF ASSEMBLY

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_20741717_152026-09-04. Service bulletin. This bulletin provides information on the GFF test plan required for AC compressor replacements regardless of the concern.
TSB_2059335_72026-07-07. Service bulletin. This bulletin provides information when there are noises from the area around the instrument cluster.
TSB_2074729_32026-07-07. Service bulletin. This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
TSB_2081405_12026-04-07. Service bulletin. This bulletin provides informaiotn about various infortainment system complaints.
TSB_2024323_132026-04-07. Service bulletin. This bulletin provides information when the parking assistance gives false warnings.
TSB_2024323_122026-04-07. Service bulletin. This bulletin provides information when the parking assistance gives false warnings.
TSB_2059335_62026-03-03. Service bulletin. This TSB provides information when there are noises from the area around the instrument cluster.
TSB_2080681_12026-02-06. Service bulletin. This bulletin provides information regarding contact checks for event memories, intermittent.
TSB_2080329_12026-02-06. Service bulletin. This bulletin provides informaiotn when there are noises from the headliner.
TSB_2056019_52026-02-06. Service bulletin. This bulletin provides information when the anti-theft alarm activates for no reason, or does not activate.