Is it possible to change a transaction code when importing a CAMT053.001.02 bank statement?

We are importing bank statements from JPMC using the JPM ISO20022 MX CAMT053.001.02 Format. JPM uses a transaction code of 175 for cash deposits. The issue is that code 175 is in the Payment domain with a Transaction Type = 'Check'. This makes the deposits appear exactly the same as Code 475 check payments. The end user can no longer quickly query for unreconciled check payments because the deposit lines are also included. We tried creating a Code Map Group (My Enterprise > Setup and Maintenance > Manage Code Map Groups) for Field = 'CE_TRX_CODES' to no avail. We