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Came back from sledding today,parked truck outside for a bit while i tinkered on sleds in the garage. About an hour went by needed to run too town statred the ole girl up backed trailer up and unhooked. Truck sat idleing for 10 min while i did a couple of things hopped back in and had a check engine light, so i stopped by oreilys and had them plug in and at first we had p1693, didnt know what that was so i wrote it down and then cleared. Then i got p1693 and p0382. Cleared code and left and came home and started reading up. Started truck 3 times since then, no cel and grid heaters seem to cycle normally. Should i chalk it up to a fluke isolated incident or should i dig deeper. Also how commin is it for the ecm driver to fail causing this problem,vs bad relay or wiring issueu

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Came back from sledding today,parked truck outside for a bit while i tinkered on sleds in the garage. About an hour went by needed to run too town statred the ole girl up backed trailer up and unhooked. Truck sat idleing for 10 min while i did a couple of things hopped back in and had a check engine light, so i stopped by oreilys and had them plug in and at first we had p1693, didnt know what that was so i wrote it down and then cleared. Then i got p1693 and p0382. Cleared code and left and came home and started reading up. Started truck 3 times since then, no cel and grid heaters seem to cycle normally. Should i chalk it up to a fluke isolated incident or should i dig deeper. Also how commin is it for the ecm driver to fail causing this problem,vs bad relay or wiring issueu

this is from bluechip diesel

http://www.bluechipdiesel.com/vp44diagnostichelp.html

"Code 1693 only means there is at least one code in the other computer, which is the PCM, which has NOTHING to do with the fuel system related drivability problems."

the other code i havent read up on.

ill dig further and see what i can find

--- Update to the previous post...

p0382

its a grid heater relay code the other one is a p0380

found at

http://www.dieseltruckresource.com/dev/p0382-code-t109215.html

http://www.dieselram.com/showthread.php?t=189065 more info

i just googled ram 2500 p0382 code

Mike, if i cant post other websites for diagnostics help let me know. :)

hope this helps. looks like it all points to the grid heater ckts

--- Update to the previous post...

here is one that mike replied to.

http://www.cumminsforum.com/forum/98-5-02-powertrain/287745-p0380-p0382-same-time.html

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