If your bladder problems are due to nerve issues and nerve damage then yes the bladder issues can cause back pain to occur.
However most commonly back pain can cause bladder issues especially if you have a broken or dislocated spine or other spinal issues.
Since your spine connects to your bladder and when your spine has problems your back can have problems as well such as the back pain.
If you suffer from back pain then you can sometimes also have bladder issues and have trouble holding your urine in.
If you have bladder issues and are suddenly suffering from back pain it would be a good idea to see your doctor and let the doctor know that you are now having back pain along with the bladder issues.