After being rebuilt into a cyborg, Dudley was programmed with Skynet's commands, which influenced him from time to time. The Terminator: Tempest
In The Terminator: The Dark Years, Skynet through Project AX placed captured humans in research facilities to brainwash them by erasing their minds and imprinting them with "reprogramming". "Captured!"
The T-XA Terminator is able to brainwash a human by implanting parts of itself within the host, performing alterations to the host's brain to ensure loyalty to its own goals. Dark Futures
Cyberdyne executives Charles Layton and Oscar Cruz, previously brainwashed by the T-XA, were capable of brainwashing other people. An Evil Hour
Lee Portis, a Specialist possibly from an alternate timeline, is capable of injecting temporary nanocoders into people to make them more agreeable and amiable towards him. Hour of the Wolf
In Terminator Hunt, Skynet captures resistance member Paul Keely, an expert in 20th Century culture, and puts a modifier in his brain to make him compliant for use in social scenarios designed to train Eliza, a T-X Terminatrix.