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Hey guys I have a 2004 LB7 Duramax. That recently through the P0380 code. After doing some research online I saw that it could possibly be bad glow plugs or a bad glow plug controller. So for safe measures I went ahead and replaced all the glow plugs with brand new Bosch glow plugs and I also replaced the glow plug controller with a brand new unit but the truck still continues to throw the P0380 code. It also shows P0380 PD on the code reader which from what I have read is a continuing code. Any anyone shed some light as to what else could he causing this code?
 

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Hey guys I have a 2004 LB7 Duramax. That recently through the P0380 code. After doing some research online I saw that it could possibly be bad glow plugs or a bad glow plug controller. So for safe measures I went ahead and replaced all the glow plugs with brand new Bosch glow plugs and I also replaced the glow plug controller with a brand new unit but the truck still continues to throw the P0380 code. It also shows P0380 PD on the code reader which from what I have read is a continuing code. Any anyone shed some light as to what else could he causing this code?
You should test each glow plug individually to see if you have a bad one, I know you said you replaced all of them but I've seen a bad one out of the package.
 
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