2013 Pilot P3400 + VTM-4 light

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Apr 13, 2013
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Original owner; 2013 Pilot 4WD ~80k miles. Oil is clean & full. The CEL & VTM-4 light randomly came on with code P3400. The car feels low on power and shudders above 55 mph. The ECO light also doesn't turn on anymore. I did a quick search and this seems to be a code for an oil pressure switch on the firewall-side of the engine that deals with VCM.

I'm hoping that throwing on a new switch will fix it and this isn't some serious VCM-related engine issue. I've been meticulous about regular synthetic oil changes since new. The car also had a VCMuzzler for about 30k of its 80k mile life. I only took it off because it caused the temp gauge to bounce around and constantly tripped a low engine temp thermostat code.

Anybody else have experience with this P3400?

:(
 
I have a 2012 Odyssey and recently had the P3497 which is the same code except for the front bank. A new pressure switch from Honda fixed my issue. I'd recommend getting the Honda switch. Also get a new o-ring. Very easy to install, at least on the front bank.
 

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