Looks like nothing special., just an extension of previous CTO...
Filing:
https://www.sec.gov/Archives/edgar/data/1318605/999999999720004329/filename1.pdf
From
EDGAR Filing Documents for 9999999997-20-004329
Tesla, Inc. submitted an application under Rule 24b-2 requesting an extension of a previous grant of confidential treatment for information it excluded from the Exhibits to a Form 10-Q filed on August 7, 2015.
Based on representations by Tesla, Inc. that this information qualifies as confidential commercial or financial information under the Freedom of Information Act, 5 U.S.C. 552(b)(4), the Division of Corporation Finance has determined not to publicly disclose it. Accordingly, excluded information from the following exhibit will not be released to the public for the time period specified:
Exhibit 10.1through August 7, 2023