The Check Engine Light is on but the scanner shows no codes.
The brand, type, quality, and manufacturer coverage of the scanner you bought will dictate how they read the codes. Unfortunately, not all scan tools are created equal (https://www.yourmechanic.com/article/the-best-tool-to-scan-for-extra-diagnostic-capabilities-by-timothy-charlet). When it comes to hybrid vehicles, you may want to make sure...