Exhibit 15.4

April 29, 2022

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We have read the statements made by TuanChe Limited (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 16F of Form 20-F of TuanChe Limited dated April 29, 2022. We agree with the statements concerning our Firm contained therein.

Very truly yours,

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Attachment