A Central Commission for Discipline Inspection statement gave no details of the alleged violations by Zhu Fushou - who was general manager and deputy party secretary of Dongfeng, making him the firm's second most senior officer.
Dongfeng, the country's second-biggest automaker by sales last year, has several joint ventures with foreign manufacturers. It also has a 14 per cent stake in France's PSA Peugeot Citroen.
Since President Xi Jinping took office more than two years ago, China has launched an unprecedented anti-corruption campaign, which has brought down government officials and corporate executives.
The company's Hong Kong-listed unit, Dongfeng Motor Group, was down 1.78 per cent today.