2002 Chevrolet Trailblazer Q&A

2002 Chevrolet Trailblazer Question: What would make my service 4wd light come on

Sometimes it won't switch from 4wdauto back to 2wd and the service 4wd light comes on if you turn the vehicle off and start it again it will be fine -
Answer 1
Check for codes in the transfer case control module and post the code, possible c0306. -