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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Take out the fuse, look on cover of fuse box for PCM, get in and buckle up, turn the key to "on" for about10 seconds (your basically wait for the engine, abs lights, etc. to go off) then turn the key to "start" and hold until you hear 2 chimes (should be about 15 seconds, give or take). The truck won't start BTW, put the fuse back in, and you're ready to go.
This should help. Also, check and make sure the plug on top of the EGR is on tight.
That fixed it. I took it for a drive and the check engine light did not come back on... (it was the fuse above the one in your diagram - but totally appreciate your help!)
I was having the same issue as ramsnarf after replacing my egr. Yes i did a cleaning but to no avail. Thanks to JoeHemi's idea on the reset, I have been CEL free for a day now. pcm fuse was #23 on the lid diagram
I have a 2007 Chrysler Aspen 5.7 Hemi, I had a code P0406 and was told to replace the EGR Valve on it which I did, now the check engine light is back on on with code P0405 (Exhaust Gas Recirculation Sensor A Circuit Low). I was reading through this post but I don't see a PCM fuse on my Aspen available to reset the PCM. I've reset the code numerous times with a code reader to no avail, it keeps coming back, the last thing I did was removed the + and - battery cables and tied them together for 30 minutes to discharge all the electronic charge in the electrical component capacitors and such. I've heard this some times works. Has anyone seen this issue on an Aspen or similar and if so how was it resolved?
Code from my truck P0405 ....sighhh
