P0154 on the 2002 Hyundai Sonata
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.
| 03010121 | 2004-03-10. Service bulletin. ENGINE CONTROL MODULE (ECM) REPROGRAMMING RELATED TO 2.7L V6 ENGINE 02 SENSORS (CAMPAIGN V02) - REVISED. MAY EXPERIENCE CHECK ENGINE LIGHT ON OR DIAGNOSTIC TROUBLE CODES P0133, P0134, P1134, P0153, P0154 AND P1154. *TT |
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1 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.