Chevrolet Q&A

Ask Your Question

2006 Chevrolet Silverado 1500 Question: what is the most likely problem when service 4wd light is on randomly



, 5.3L V8, Livingston, TN, March 30, 2013, 11:51

Service 4wd message Diagnostic code CO327 and CO379

1 Answer
Flag This
  • Answer #1

    March 30, 2013, 19:46

    transfer case may need to be serviced. possible dirty connection. bring to a tranny shop and have them run a diagnostic(more thorough). tranny tech. advise.

    Flag This