Why would a 1995 TOYOTA T100 automatic not down shift at a stop?

A 1995 Toyota T100 that won't downshift at a stop could be experiencing several issues. Common causes may include a faulty throttle position sensor, low Transmission Fluid, or a malfunctioning governor. Additionally, problems with the transmission control module or vacuum leaks in the transmission system could also prevent downshifting. It's advisable to have the vehicle diagnosed by a professional to pinpoint the exact cause.