2006 Chevrolet Silverado 1500 Q&A

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

Service 4wd message Diagnostic code CO327 and CO379 -
Answer 1
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. -