It locks the doors but does bot unlock them, I brought it to Volvo, they told me I needed a DDM, driver door module, they wanted $741.00, $495.00 for the module $71.00 for the software downkoad the rest is labor. Why does it need a software download? Can I find one online and install it myself???































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Needs software, will not work. Install yourself, go back to download.

 

My DDM is completely toast. Windows won't work, power mirrors, or door locks. Consider yourself lucky.

So when mine started acting up I used to pull the fuse to the DDM and re-install and everything would return to normal. You should try that first.