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DTC U0306: Software Incompatibility With Fuel Injector Control Module (FICM)

DTC U0306: SOFTWARE INCOMPATIBILITY WITH FUEL INJECTOR CONTROL MODULE (FICM)

Description:  This DTC indicates that there are incompatible software levels within the FICM. The FICM uses different microprocessors with each having its own software level and function. The microprocessors must have the correct level of software in order to communicate and function together.
Possible Causes: 
  • FICM programming error
  • Interruption during the FICM programming
Diagnostic Aids:  Flash the PCM/transmission control module (TCM)/fuel injector control module (FICM) to the most recent calibration available. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.
NOTE: 'x' equals any number 0 through 9 or letter A through F.
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