I have a 2006 SV6 with the power sliding doors. The problem that I found was with the contacts on the door ( They are called plungers) the movable pins were losing connection with the fixed part The plunger is very easy to replace if you can find one. The plungers are covered with a rubber cover and is held in place with 2 plastic pins. My Pontiac dealer could not even find one in his books or even a picture of one, and claimed that he had never had anyone come with a door problem. My Chevy dealer said that it came with a wiring harness that is not needed for $154. The cure that I came up with was to take the plunger block apart (it snaps together)and replace the rusted out springs then solder 3" wires to the end of the plunger pins (they solder easy) to the tabs that go to the plug(pop out the tabs or you will melt the plastic. It took about 45 min. now the doors work like new and will never loose contact again
The saturn relay had many issues with the doors and door chimes, the sliding door module is not seeing that the door is fully closed and it activates the chime sometimes just when driving the chime can just start comming on,,,what usually happens is the cables stretch that control the sliding doors and they dont keep it tight enuff for the sliding door module to relize they are closed, i would take it to the saturn dealer and have them do a door adjustment and relearn the sliding door module,, this procedure does wonders, but sometimes the only fix is a new power sliding doo module,,,once in a while there is a obstruction in the lower sliding door track like a piece of foam,if thats there remove it and lube the track with lithium grease, maybe that wikll help, but this is common with all saturn relays,pontiac montanas, olds and chevy uplander,,,
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