Follow TSSM Reset Procedure February 08, 2017 22:17 Custom Dynamics Help Center Product Troubleshooting Procedure for Turn Signal Security Module (TSSM) bikes. Turn signal rapid flash. TSSM Sync.pdf (60 KB) 1 Comments Date Votes Ronnie Butler February 08, 2017 22:17 Is not working. First 5 flashes are normal but after that they flash twice or 3 times faster. Sync procedures did not work. Clear Trouble codes 4 time under S. Code was either 61121 or 61122 would come up. Further help is needed. Please sign in to leave a comment.