Losong Tsering, secretary of the CPC committee of Tibet's transportation department, is the subject of an investigation relating to "serious disciplinary violations", according to the regional discipline inspection commission.
The commission did not elaborate on the "violations".
Losong was transferred to Tibet's transportation department after serving as secretary of the CPC committee of Tibet's Shannan Prefecture from 2006 to 2011, state-run Xinhua news agency reported.
Hundreds of officials at various levels including top CPC and military leaders faced investigations in the anti-graft campaign launched by President Xi Jinping in the last two years.