IBM SC33-1683-02 - Manual (Page 454)

TEPPUTTD
Used to output character or hexadecimal data to a user-defined transient data
destination.
TEPTMCHK
Used by TEPINCR to determine whether the time threshold has been passed.
TEPWGHT
Used to update the weight/time threshold values maintained in the terminal’s
error status elements.
the sample terminal error program
422 CICS TS for OS/390: CICS Customization Guide