This bulletin applies to 2007-2013 Mazda CX9 vehicles. Some vehicles may exhibit inoperation of the power liftgate after battery disconnection and reconnection. Do not replace parts for this concern. The power liftgate will require re-initialization.
Before starting initialization, reset Keep Alive Memory (KAM) by disconnecting the negative battery cable and pressing the brake pedal for 15 seconds. Then reconnect the battery cable.
1. Park the vehicle on a level surface. If the liftgate is open, fully close the liftgate manually, then unlock the liftgate and all doors using the transmitter or door lock switch. If the liftgate is closed, unlock the liftgate and all doors using the transmitter or door lock switch, and then open and close the liftgate manually.
2. Press and hold the power liftgate switch or power liftgate button on the transmitter to fully open the liftgate.
3. Press and hold the power liftgate switch or power liftgate button on the transmitter again to fully close the liftgate. The power liftgate is now initialized.