P0456 on the 2001 Chrysler Voyager
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.
| 2500102A | 2004-04-21. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION, DIAGNOSTIC TROUBLE CODE (DTC) P0442, P0455, OR P0456 - LEAK DETECTION PUMP (LDP), LEAK DETECTED. THIS BULLETIN SUPERSEDES 25-001-02 DATED FEB 11, 2002. *TT |
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| 1802803 | 2003-10-20. Service bulletin. VEHICLE WITH PROPERLY FUNCTIONING EVAPORATIVE EMISSIONS SYSTEM REPEATEDLY SETS DIAGNOSTIC TROUBLE CODE P0456 WHEN CUSTOMER REGULARLY COMMUTES ON A STEEP GRADE. *TT |
| 1801002 | 2002-09-27. Service bulletin. SUBJECT REGARDING MALFUNCTION INDICATOR LAMP ILLUMINATION, ERRONOUS DIAGNOSTIC TROUBLE CODE (DTC) P0456, EVAP LEAK MONITOR 0.020 LEAK DETECTED. *SLC |
3 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.