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Service bulletins for the 2012 Audi A4

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.

591 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
371426202553522022-11-21. Service bulletin. POWER TRAIN. Transmission faults stored (DTC P1703 or U1111)
371424203712712022-11-21. Service bulletin. POWER TRAIN. Jerky accelerator response in reverse gear
3714222028985112022-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); LANE DEPARTURE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Transmission warning message in cluster (P074100 stored in TCM)
371399202902762022-11-21. Service bulletin. LANE DEPARTURE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Transmission warning message in cluster.
371397202898592022-11-21. 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
371383203281212022-11-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; UNKNOWN OR OTHER. Hesitation concerns, Harsh downshifts when braking or harsh 1-2 upshifts.
371380202898562022-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; LANE DEPARTURE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Transmission warning message in cluster, P074100 stored in TCM
371379202930562022-11-21. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Harsh downshifts when braking or harsh 1-2 upshift under acceleration
371317202902782022-11-21. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; LANE DEPARTURE. Transmission warning message in cluster
371441202553532022-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission faults stored (DTC P1703 or U1111)
371439203281272022-11-21. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY. Hesitation concerns, harsh downshifts when braking, or harsh 1-2 upshifts
371446202553542022-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Transmission faults stored (DTC P1703 or U1111)
371444203281282022-11-21. Service bulletin. POWER TRAIN; BACK OVER PREVENTION:SOFTWARE. Hesitation concerns, harsh downshifts when braking, or harsh 1-2 upshifts
371448203000752022-11-21. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY. Customer may report harsh shift concerns; no faults are stored and concern is reproducible
1338201291352022-08-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:FILTER/SCREEN. 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.
37 13 07 20336582022-05-31. Service bulletin. POWER TRAIN. Vehicle lacks power or will not move after stop due to simultaneous depressing of the brake and accelerator pedals
37 13 05 20305822022-05-31. Service bulletin. LANE DEPARTURE; POWER TRAIN:AUTOMATIC TRANSMISSION; AIR BAGS. Transmission warning light briefly comes on
37 13 01 20289852022-05-31. Service bulletin. POWER TRAIN. Transmission warning message in cluster
37 13 00 20328122022-05-31. Service bulletin. POWER TRAIN. Hesitation concerns, Harsh downshifts when braking or harsh 1-2 upshifts.
37 12 74 20293052022-05-31. Service bulletin. POWER TRAIN. Harsh downshifts when braking or harsh 1-2 upshift under acceleration
37 12 72 20289852022-05-31. Service bulletin. POWER TRAIN. Transmission warning message in cluster
30 13 18 20282292022-05-31. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:MANUAL TRANSMISSION; ENGINE. Vehicle does not start or only starts when the clutch pedal is pressed very firmly
26 13 17 20279452022-05-31. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION. 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 47 20290272022-05-02. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Customer may report transmission warning light is illuminated. In some cases, the vehicle will not move after being started and placed into gear. After key cycle, the vehicle drives without restriction. The DTCs are stored due to an issue with the transmission control module software.
37 14 46 20255352022-05-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. 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).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.