GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the battery.

  2. Object Number: 1688227  Size: SH
  3. Disconnect both electrical connectors.
  4. Detach the exhaust tail pipe flow valve control module by pulling off two-sided tape.

  5. Object Number: 1688226  Size: SH
  6. Remove the exhaust tail pipe flow valve control module.

Installation Procedure


    Object Number: 1688226  Size: SH
  1. Install the exhaust tail pipe flow valve control module.
  2. Attach the exhaust tail pipe flow valve control module using a new piece of two-sided tape.

  3. Object Number: 1688227  Size: SH
  4. Connect both electrical connectors.
  5. Install the battery.
  6. Refer to Control Module References for programming and setup information.