This is far outside the expected accuracy of the sensor. Going from Software to Hardware, make sure that:
Compensation formula is properly applied (see spreadsheet attached, don't understand why the error 404 on the previous post)
Conversion from register value to integer value is good (see updated spreadsheet attached, with register value)
Register value matches the bus activity (confirm with logic analyzer or oscilloscope that the values in your MCU memory match the decoded protocol from the bus)
If all above looks okay, then the sensor is actually sending bad data, which indicates hardware failure. Confirm the soldering process follows the Handling, Soldering and Mounting instructions.
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