cannot clear P0235 code, where to start

Question

This code is there constantly right after a reflash of the ecu even. Can anyone help with this?

Answer 1

P0235 Turbocharger boost sensor  A circuit malfunction

Different scan tool read different especially when doing a MBZ, if you can get the code that is a manufacture rather than the generic "P" code it may state a different cause for the CK ENG LT.