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    LBZ: Help code p0540

    I just bought a 2006 GMC K3500 with the LBZ and 114000 miles on it .I have put about a 1000 miles on it and now have a engine light with code P0540 Intake Air (IA) Heater Feedback Circuit.I did a vin check and found out they replaced the glow plug controller right before I bought it ,does the...
  2. S

    Info: new to duramax

    Hi everyone new to duramax trucks I looking at a 2006 GMC Sierra K3500 4x4 Crew Cab diesel with a contractors bead, are there any difference in the C or K? I think it was a cab and chassie when new.Does the K still have 4 wheel disc brakes? I live 1000 miles away from the truck so right know...
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