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P0411 on the 2001 Cadillac Catera

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 P0411
36362006-01-07. Service bulletin. DTC P0411 SET FOR LOW FLOW DETECTED FROM THE SECONDARY AIR INJECTION (SAI) SYSTEM (AIR PUMP).
015542004-02-25. Service bulletin. REPEAT DIAGNOSTIC TROUBLE CODE (DTC) P0411. SIT BULLETIN 1410431. *TT
1812002001-03-27. Service bulletin. DIAGNOSTIC TROUBLE CODE P0411 HAVING A FAILED AIR HOSE. *TT

3 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.