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DTC U2101 - Control Module Configuration Incompatible

U2101 - CONTROL MODULE CONFIGURATION INCOMPATIBLE

Description:  This DTC sets when the PCM RAM has been corrupted.
Possible Causes: 
  • Module reprogramming
  • Aftermarket performance products
  • Damaged PCM
Diagnostic Aids:  Reprogram or update the calibration. Check for other DTCs or drive symptoms for further action. Check for aftermarket performance products before installing a new PCM. If necessary to install new PCM. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Programming the VID Block for a replacement PCM.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.