S s1koss New member Joined Jun 17, 2008 Messages 2 Oct 27, 2008 #1 i am getting 3 trouble codes on my duramax lmm and i was wondering if anybody knows what they mean. they are 2454, 0676, 0420. thanks
i am getting 3 trouble codes on my duramax lmm and i was wondering if anybody knows what they mean. they are 2454, 0676, 0420. thanks
