Zombie
Although Transformers are often rebuilt or otherwise brought back from apparent death, there are also many examples of them being partially reanimated as zombies, either self-aware or under the control of another.
Generation One Era
Impactor and Flame's army of zombies
Optimus Prime
Playback
The bodies remote-controlled by Blackjack
Note: Metrotitan is not a reanimated Metroplex as is commonly believed.
Beast Era
Galvatron
Optimus Primal's original body
Tarantulas
The bodies inhabited by Megatron