TSSSIM is not displaying the source of the permission - because the TSSSIM profile field that holds the profile name for a permitted resource is truncated to only 1 character.
logon acid(testacid) fac(tso) trace
TSS8370I SIMULATED SESSION SUCCESSFULLY ESTABLISHED.
TSSSIM
$dsn(testacid)
TSS8380I SIMULATED RESOURCE ACCESS GRANTED.
TSS8390I RESOURCE = (00C4) testacid.testacid
TSS8391I TSS SVC=82 RC=00 DRC=00 VDRC=00 XSW=00 ALG=00
TSS8392I REQUESTED ACCESS = READ
TSS8392I ALLOWED ACCESS = ALL
TSS8392I VOLUME ACCESS = NONE
TSS8393I OVERRIDES = <NONE>
TSS8394I RES ORIGIN = PERMITTED - PROFILE=J
TSS8397I ---------------- SECURITY PERMISSION ---------------
TSS8397I DSNAME = %.
TSS8397I ACCESS = ALL
TSS8397I ----------------------------------------------------
Release : 16.0
Component : CA Top Secret for z/OS
Bug introduced by SO15896
Apply published fix LU00747 - ABEND U0982 IN TSSKERNL, TSSSIM PROBLEMS WITH SO15896