B1A – abnormal release unspecified This topic has 0 replies, 1 voice, and was last updated 9 years, 10 months ago by Phil. Viewing 1 post (of 1 total) Author Posts 26th November 2013 at 02:19 #69353 PhilGuest Hi all! What are the possible causes of B1A clear code with Abnormal Release Unspecified cause value? Thanks! Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.