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P1381 on the 1997 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.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name P1381
090120052005-12-28. Service bulletin. TROUBLESHOOTING TIPS FOR DTC P1381. *NM
070120042005-04-27. Service bulletin. DTC P1381 SET CHECK THE IGNITION COIL SHIELD. *EH
0101012001-04-02. Service bulletin. BRIEF INFORMATION ON DIAGNOSING DIAGNOSTIC TROUBLE CODE P1381, CYLINDER POSITION SENSOR INTERMITTENT INTERRUPTION. *RC
1612002001-01-31. Service bulletin. SUBJECT REGARDING P1381, CYLINDER POSITION (CYP) SENSOR INTERRUPTION. *TT

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.