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U0129 on the 2025 Audi SQ6

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name U0129
TSB_2077740_42025-08-05. Service bulletin. This bulletin rpovides information when the gear cannot be selected in cold weather (DTCs U303500; U029400; U012900).
TSB_2077740_32025-07-08. Service bulletin. This TSB provides information when the gear cannot be selected in cold weather ( DTCs : U303500;U029400;U012900 ).
TSB_2077740_22025-06-03. Service bulletin. This TSB provides information when the gear cannot be selected in cold weather ( DTCs : U303500;U029400;U012900 ).
TSB_2077740_12025-05-03. Service bulletin. This TSB provides information when the gear cannot be selected in cold weather ( DTCs : U303500;U029400;U012900 ).

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.