GM Service Manual Online
For 1990-2009 cars only

The rear side door actuator control modules monitor the power sliding door positions at all times. Whenever the battery positive voltage supply to a rear side door actuator control module has been removed or the on-board diagnostics have been activated, the power sliding door system(s) must be re-initialized. Re-initialize both the right and left power sliding door systems using the following steps:

  1. Turn the ON/OFF switch for the power sliding door system to be re-initialized to the OFF position.
  2. Manually open the power sliding door completely.
  3. Manually close and latch the power sliding door.
  4. Turn the power sliding door ON/OFF switch to the ON position.
  5. Open the power sliding door completely using the B-pillar or overhead console OPEN/CLOSE switch.
  6. Close the power sliding door completely using the B-pillar or overhead console OPEN/CLOSE switch.