Look at post #4 of this thread. It discusses the fix that I mentioned.
Also post #9 of this thread.
More pages with a search for "SPI SD card reader & other SPI device not working together".
Since I did not want to wait for a new module in the mail, I ended up making my own with a 74HC4050 for a level shifter and wired MISO around the level shifter. it works great.