Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

check enging light

  1. OEM Issues
    I'm having some issues with my 04 TB. The other morning the had a died battery. I was able to jump the TB. I noticed my check engine light will remain on while the truck is off. (Which tells me one of my systems is staying on while my car is off, which would explain why the battery is drawing...
  2. General
    Hi everyone - Hoping someone can help. I searched the boards but no luck, and also if this is the wrong section to post in, i apologize. 2006 Trailblazer SS (3SS). About 37,000 miles. Check enginge light came on the other day. Grabbed a friends ODBII Scanne'r (Actron CP9135). Turn the keys to...
Top