Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

co327

  1. 4x4 Drivetrain
    2004 Trailblazer, 6 cyl. 4X4 switch not lighting up. My GF took her truck to a transmission joint. They diagnosed the C0-327 error code and informed her her (EM) Encoder Motor was blown. They installed a new one, reset the system, and was thrown the very same code. After looking into it a bit...
Top