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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 >> U0105 - Lost Communication With Fuel Injector Control Module (FICM)

U0105 - Lost Communication With Fuel Injector Control Module (FICM)

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U0105 - LOST COMMUNICATION WITH FUEL INJECTOR CONTROL MODULE (FICM)

Description:  The powertrain control module (PCM) continuously monitors the controller area network (CAN) for messages from the FICM. This DTC sets when the PCM does not receive the FICM message within the defined amount of time.
Possible Causes: 
  • Communication error
  • Harness circuits: B+, CAN2+, CAN2-, IGN START/RUN, FICM Vehicle Power, FICM Control and GND
  • FICM relay
  • FICM
  • PCM
Diagnostic Aids:  The FICM requires a 12-volt power source. The FICM receives power from the vehicle batteries through the FICM relay contacts each time the key is turned to the ON position. The PCM communicates with the FICM using the controller area network (CAN) protocol.
Application    Key On Engine Off  Key On Engine Running  Continuous Memory 
All   refer to PINPOINT TEST AS .
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