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Home >> Ford >> 1999 >> Escort ZX2, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 787 (Engine Controls - Diagnostic Subroutines -- Diesel 6.0L (99P E-Series & 99P F450/550)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> U0306 - Software Incompatibility With Fuel Injector Control Module (FICM)

U0306 - Software Incompatibility With Fuel Injector Control Module (FICM)

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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:  Verify the FICM is at the latest calibration level.
Application    Key On Engine Off  Key On Engine Running  Continuous Memory 
All   Flash the powertrain control module (PCM)/transmission control module (TCM)/FICM. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) .
Note: 'x' equals any number 0 through 9 or letter A through F.
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