167-B1802-04

Enhanced engine ECU (Electronic Control Unit) software has been made available to address the following conditions: 1. The engine ECU (Electronic Control Unit) may falsely detect and store the following DTC (Diagnostic Trouble Code): P24FE: Removal of DEF SCR catalyst Revised engine ECU software has been made available to prevent this false detection. If DTC P24FE is found stored in the engine ECU, reprogram the ECU to the software level listed in this bulletin.