Aptiv sees China as an important part of its business, given the extent the market is expected to grow rapidly between now and 2040.
Following the partnership, AutoX will be testing its technology on three continents.
Sources cited lack of investor interest as a reason for the delay.
This latest development comes after a testy public dispute broke out among the company’s management team in late January,
Pony.ai develops artificial intelligence (AI) and autonomous driving solutions for transportation.
The financing comes shortly after AutoX moved its headquarters from Silicon Valley to Hong Kong, and opened a China R&D center in Shenzhen this year.
AutoX and Pony.ai had also granted first batch of licenses to conduct road testing in the southern Chinese city of Guangzhou.
He reportedly hid code and accepted kickbacks from a classmate during the self-driving company’s $128 million Series A last May.
The Beijing government started granting temporary self-driving permits to mobility companies in March 2018.
Level 3 systems have been questioned with some test results suggesting human drivers are too trusting.