P0740 on the 2002 Honda Civic
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.
| 602 | 2002-12-10. Service bulletin. SUBJECT REGARDING DIAGNOSTIC TROUBLE COE P0740, LOCK UP SYSTEM ERROR. *TT |
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| 010702 | 2002-11-19. Service bulletin. INFORMATION ON WHAT TO DO WHEN DIAGNOSTIC TROUBLE CODE P0740 IS SET WHEN CHECKING FOR CONTAMINATED SOLENOIDS. *TT |
2 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.