This could be due to the on off switch in the overhead console is turned off or the control module sees an issue and is not allowing them to open.
Pontiac montana sliding door won t open.
Right now it is partially ajar but will not close nor open.
Use a scredriver and a rage or google it to see other ways see fig.
Driver side sliding door wont open more than 12 inches 3 answers.
Only it s not open it s closed.
Have not had trouble with the door before.
There is a safety catch on the fuel door that prevents the sliding door from opening if the fuel door is open.
Then work both the lever and gas door back and forth until it the sliding door works right.
The safety which engages when fuel door is open has not disengaged and now the door will not open more than a few inches.
This switch tells the sliding door computer that the door is in fact fully closed or open.
1 for a pic of the handle and clip next is to remove the first couple clips from the top door panel fig.
Then from inside pull handle and push out on back of door.
Bought it in the fall not used to it yet read more.
The safety catch is obviously at fault.
Might just be stuck at rear of door.
However the track is free of obstacles.
Better to check the sliding contact point for any dirt debris on the slide or it may need some lubricant for easily sliding.
No known reason to have a problem.
It starts to open as usual but then stops as though something is blocking the track.
Try this before taking the bracket off the bottom of the sliding door.
If this switch is in the on position then we would need to have the vehicle scanned for any diagnostic trouble codes dtcs.
My 1999 pontiac montana rear sliding power door will not work hi there this can be stuck contacts on the door.
First make sure it is unlocking if not check fusesand relay.
Work the gas door back and forth.
2000 pontiac montana all of a sudden the manual sliding door will not open more than a few inches.
To do this you have to remove the little horseshoe shaped clip on the back of the handle.
You can tell if the actuator is bad when you press either the console switch pillar switch or the remote fob switch you hear a noise similar to unlocking the door but then it fails and does not cause the outside handle to move at all.