P1557 on the 2004 Volkswagen Jetta
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.
| 010702 | 2007-04-03. Service bulletin. DTC'S P1297 (17705) OR P1557 (17965) STORED IN DTC MEMORY. THIS MAY BE CAUSED BY INTAKE HOSES LEAKING (DURING BOOST CONDITIONS) DUE TO INCORRECT TORQUE ON CLAMPS OR IMPROPER PLACEMENT, WORN OR TORN INTAKE HOSES. *KB |
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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.