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04 Duramax Error Code P0380??????

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8.9K views 1 reply 2 participants last post by  Verndog  
H
#1 ·
I have an error code in my Durmamax Diesel po380. The engine light comes and goes the truck does not seem to be running any differently. A friend of mine has a scan tool and he plugged it in and got the po380 code which says Glow Plug Heater Circuit A. Any suggestions or recommendations? Please drop me a note. Thanks
 
V
#2 ·
Probably a glow plug or relay

I just had the same code in my 04 CA model. It was a #5 glow plug open. Lot's of information on this site telling you how to check them. If yours isn't a CA model it may be a relay. Again lots of information on this site just do a search for the P0380. Good Luck

Vern
 
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6.5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004.5-2005 (LLY) 6.2L Diesel Engine Duramax Third Generation: 2006-2007.5 (LBZ & LLY)