GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the PCM. Refer to PCM Replacement/Programming .

  2. Object Number: 12685  Size: SH
  3. Remove the KS Module cover.

  4. Object Number: 12684  Size: SH
  5. Gently squeeze the latches on the KS Module and carefully lift the KS Module out of the PCM.

Installation Procedure


    Object Number: 12684  Size: SH
  1. Carefully insert the KS module into the socket in the PCM. Carefully press down on the KS Module until the latches engage.

  2. Object Number: 12685  Size: SH
  3. Install the KS Module cover to the PCM.
  4. Install the PCM. Refer to PCM Replacement/Programming .