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Service bulletins for the 2013 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.

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

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

Bulletins, newest first
TSB_2034863_52026-08-05. Service bulletin. POWER TRAIN. This bulletin provides infomraiotn when there is a gearbox malfunction message in the instrument clostuer; DTC P0706; vehicles with 0AW gearbox.
TSB_2028985_132026-07-07. Service bulletin. POWER TRAIN. This bulleitn procides informaiton when tehre is a transmission warning mssage in the instrument cluster; P074100 is stored in the TCM.
TSB_2028902_52026-07-07. Service bulletin. POWER TRAIN. This bulletin provides informaiton when the transmission warning message appears in the cluster; P074100 stored in the TCM.
TSB_2074808_42026-06-04. Service bulletin. POWER TRAIN. The high-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content (energy density) being reduced. This reduction in the energy content, which is due to factors. Revised header. Added Model years
TSB_2074808_32026-01-07. Service bulletin. POWER TRAIN. This bulletin provides additoinal information to assist in determining the energy content of lithium-ion high-voltage batteries.
A3724222074826_12024-09-06. Service bulletin. POWER TRAIN. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A3724222074826_12024-09-06. Service bulletin. POWER TRAIN. This bulletin offers information about the basic information needed for technical requests for gaerbox complaints.
A3724142074751_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information about replacing the clutch end cover.
A3724132074750_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information about replacing the clutch end cover.
A2424612074810_12024-08-06. Service bulletin. POWER TRAIN. This bulletin provides information when there is a fault shown; Engine: start/stop system, and the start system is not working; mileage below 50 km/32 miles.
37139120329412024-02-20. Service bulletin. POWER TRAIN. Transmission warning message displayed in cluster.
37138920305822024-02-20. Service bulletin. POWER TRAIN. Gearbox warning light briefly comes on. Fault code P0606 stored in TCM.
37138820320942024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster (DTC P0603 in TCM)
37138720293052024-02-20. Service bulletin. POWER TRAIN. Harsh downshifts when braking or harsh 1-2 upshift under acceleration
37138620289852024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster, P074100 stored in TCM
37138520289852024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster, P074100 stored in TCM
37127620293052024-02-20. Service bulletin. POWER TRAIN. Harsh downshifts when braking or harsh 1-2 upshift under acceleration
37126520300072024-02-20. Service bulletin. POWER TRAIN. Customer may report harsh shift concerns. No faults stored and concern is reproducible.
02120220320942024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster.
02120020314442024-02-20. Service bulletin. POWER TRAIN. Transmission warning message in cluster, Fault P172400 stored in TCM
Update37H52024-01-22. Service bulletin. UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CLUTCHES/BANDS:ACTUATORS/SOLENOIDS. Multitronic
3714422029027102022-11-21. Service bulletin. POWER TRAIN. Transmission warning message in cluster (DTC P060A00)
3714342028985122022-11-21. Service bulletin. POWER TRAIN. Transmission warning message in cluster.
3714332029305102022-11-21. Service bulletin. POWER TRAIN. Harsh downshifts when braking or harsh 1-2 upshift under acceleration
371430200365862022-11-21. Service bulletin. POWER TRAIN. Vehicle lacks power or will not move after stop due to simultaneous depressing of the brake and accelerator pedals

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