I keep getting P0415. Most DTC lists say something like "Secondary Air Injection Switching Valve B Circuit". I have searches the FSM and can find no referance to Secondary Air Injection. The code usually shows up in city driving.

Any Ideas?

This was the only thread that had a solution (but he had a couple of other codes too)
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?p=364539#p364539

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2005 CRD
stuff
Skeptic quod gratis asseritur, gratis negatur

Thanks, I saw that.
Isn't it amazing how often the dealer says "YOU fried the PCM, BCM, TCM etc." Wonder why we don't trust them?

If I ever have to go to "them", I will mark every module for ID. If they claim to change it at my expense I want the old one back and it better have my mark.

Meanwhile I'll just keep re-setting the CEL.