Questions & Answers

FAQ: GM Flashing RED and YELLOW

0 votes

If the RED and YELLOW flash during programming after cyling the key to the ON position, do this.


  1. Turn car off
  2. Plug in ONLY the RED connector in the EVO
  3. Start car and let run 5 secs.
  4. Shut down car.
  5. Do not disconnect RED connector
  6. Start programming
closed with the note: FAQ for GM
asked 2 weeks ago in FAQ by Robb (236,080 points)
closed 2 weeks ago by Robb