WenmarOpen by Wenmar Pro

Service bulletin TSB-28-09-05

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 id10030629
Published by NHTSA2009-10-31
Manufacturer's numberTSB-28-09-05
Manufacturer's date2009-05-12
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

AUDI: MIL ON, ENGINE SPEED SENSOR SPACER NOT REQUIRED (DTC P0300, P0335, P0336, P0321, P0322). MULTIPLE MISFIRES DETECTED ON ONE OR MORE CYLINDERS; MALFUNCTION INDICATOR LIGHT (MIL) MAY BE ON OR FLASHING. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Trouble codes named

P0300, P0321, P0322, P0335, P0336

Vehicles listed
AUDI A42004, 2005, 2006, 2007, 2008
AUDI A62005, 2006, 2007, 2008

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

Other bulletins for the same vehicles and component
17123220185502024-02-20. Service bulletin. Oil consumption measurement - Repair Authorization (CA)
01137020182602024-02-20. Service bulletin. MIL on (P1545, P0121, P0123, P0221 or P0222 stored in ECM)
01136920283442024-02-20. Service bulletin. Idle speed characteristic during cold start
01125720283442024-02-20. Service bulletin. Idle speed characteristic during cold start
01125520301922024-02-20. Service bulletin. Engine may have reduced performance without significant loss of power or stalling
A0023712070568_12023-10-05. Service bulletin. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
A1023262018288102023-07-10. Service bulletin. This bulletin provides information on checking for debris when replacing an engine.
A9123942018187132023-06-06. Service bulletin. This bulletin provides information for when the customer advises that there is cracking, grinding, rattling, humming, whining, or similar interference.
A1923362025303142023-04-06. Service bulletin. This bulletin provides information on the discontinuation and mixing of Audi-approved engine coolants.
A0123412014753122023-03-06. Service bulletin. This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.