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Service bulletin 2029808/2

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 id10065364
Published by NHTSA2016-05-19
Manufacturer's number2029808/2
Manufacturer's date2012-11-28
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

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

Transmission and driveline, Automatic transmission

Vehicles listed
AUDI A42009, 2010
AUDI A4 CABRIOLET2009
AUDI A52009, 2010
AUDI A5 CABRIOLET2010

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
37126720280532024-02-20. Service bulletin. TCM software update for downshift concerns
371431201300252022-11-21. Service bulletin. ATF pan leaks
371381202119332022-11-21. Service bulletin. Harsh 2-1 shift with automatic gearbox (0B6) - A4, A5
371441202553532022-11-21. Service bulletin. Transmission faults stored (DTC P1703 or U1111)
371446202553542022-11-21. Service bulletin. Transmission faults stored (DTC P1703 or U1111)
1338201291352022-08-01. Service bulletin. Engine oil service - filter cartridge replacement. When changing the oil filter and installing the new filter seal(s) in the oil filter housing, special attention is required.
26 13 17 20279452022-05-31. Service bulletin. 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).
37 14 46 20255352022-05-02. Service bulletin. If the memory is read with guided fault finding (GFF) or if Immobilizer test plans are performed, the above DTC entries may be stored due to a communication error between the VAS tester and the TCM. (In particular, the issue happens with tester VAS 5051B).
37 14 31 20130022022-05-02. Service bulletin. As the sump pan gasket settles, the torque of the bolts decreases and the seal may leak. Automatic transmission fluid is leaking at the sump pan gasket.
37 14 26 20255352022-05-02. Service bulletin. If the memory is read with guided fault finding (GFF) or if Immobilizer test plans are performed, the above DTC entries may be stored due to a communication error between the VAS tester and the TCM. (In particular, the issue happens with tester VAS 5051B).