Bimodal heterostructure consisted of reinforcement-rich and reinforcement-free micro-regions could significantly enhance the strength-ductility of metal matrix composites. However, it could also induce difficult controlling of the heterostructure during hot deformation processing. In this work, an innovative coordination coefficient map based on processing map was proposed to qualitatively evaluate the deformation coordination of two micro-regions within bimodal heterostructure CNT/2009Al composite under different hot compression parameters and analyze its influencing factors. The results showed that the deformation coordination of the two micro-regions was influenced by microstructure evolution as well as the stress-strain distribution between the CNT-rich and CNT-free micro-regions. At medium temperature with medium strain rate (400 °C-0.1 s−1) rather than other parameters, the deformation coordination between the CNT-rich and CNT-free micro-regions was well, and the power dissipation distribution within heterostructure conformed to the rule of mixtures. While the additional microstructure evolution at high temperature would lead to the opposite deviation trend of the calculated coordination coefficient. The abnormal grain growth at low strain rate (450 °C-0.001 s−1) and the distortion energy between the different micro-regions interfaces at high strain rate (500 °C-1 s−1) were the reasons for this phenomenon. The establishment of the new coordination coefficient map provided guidance for the analysis of the hot deformation behavior of the bimodal heterostructure CNT/2009Al composite.