Severe low back pain, radiates 2 legs. Tingling in head&left arm. Can l4-s1 issues be causing head&left arm symptoms? Retrolisthesis, bulges, herniations.

No. An problem with your lumbar spine will not cause head and arm symptoms.
No . Lumbar and sacral disc disease or arthritis will not cause problems in your head or upper extremities.
Not primarily. Pain and spasm in the low back can propagate up towards the neck and base of the skull as the paraspinal muscles are interlinked in a jumpfrog fashion. Which can cause spasm related symptoms in the arms and head. Also, the same conditions leading to symptoms in your low back could be causing your upper back symptoms. Direct your efforts at eliminating the spasm below and see if any results above.