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P3400 Diagnostic Trouble Code Discussion for May 2019

Cylinder Deactivation System Performance

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Trouble Ticket Help Requests for DTC P3400
Help Request Posted
2008 Honda Odyssey EX-L 3.5L MIL Lamp on VIN: 5FNRL38738
P3400: Vps off bank 1. can clear code and it returns as temporary as soon as you start the engine. drive for 2-3 miles and code sets as permanent. eco light comes on and off until code sets hard. tried firing the solenoids with scan tool but nothing - no clicking, etc. removed s...
May 16, 2019