Cargo door open light

[Wilsonokc]

I have a 2002 chevy tahoe and everytime i hit a bump my cargo door open message pops up on my gauges and locks and unlocks my doors. Does anyone know how to fix this problem?

 

[greenhornet]

I have a 2000 Tahoe LT and every so often on fast small bumps the security light flashes so I pull over and open and slam the rear door shut (not too hard) and then it seem to behave for quite a long time ,still don't know if there is an adjustment.