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P1518 on the 2000 Ford Focus

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 P1518
135112000-11-29. Service bulletin. SOME VEHICLES MAY EXHIBIT A CHECK ENGINE LAMP ON WITH DIAGNOSTIC TROUBLE CODES P1516, P1518, P1519 OR P1520 FOR THE INTEGRATED MANIFOLD RUNNER CONTROL (IMRC) ASSEMBLY. *TT
137712000-06-12. Service bulletin. SOME VEHICLES EQUIPPED WITH 2.0L SPI MAY EXHIBIT A MIL ON AND DTC P1518. *MJS
79282000-06-08. Service bulletin. THE VEHICLE MAY EXHIBIT A MIL ON AND DTC P1518.
75352000-05-16. Service bulletin. SOME VEHICLES MAY EXHIBIT A CHECK ENGINE LAMP ON WITH DIAGNOSTIC TROUBLE CODES P1516, P1518, P1519 OR P1520 FOR THE INTEGRATED MANIFOLD RUNNER CONTROL (IMRC) ASSEMBLY. *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.