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Home >> Ford >> 2002 >> Taurus LX, 3.0 U >> Repair and Diagnosis >> External Pages >> Different car >> Section 687 (Handles, Locks, Latches And Entry Systems) >> Diagnosis And Testing >> Locks, Latches and Entry Systems >> Symptom Chart >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM

Condition Possible Sources Action
  • No communication with the driver door module (DDM)
  • Battery junction box (BJB) fuse 25(40A).
  • Circuitry.
  • DDM.
  • No communication with the rear electronic module (REM)
  • Circuitry.
  • REM.
  • No communication with the front electronic module (FEM)
  • Circuitry.
  • FEM.
  • The luggage compartment lid is inoperative - from the remote switch
  • Circuitry.
  • Front electronic module (FEM).
  • Luggage compartment lid remote switch.
  • The luggage compartment lid is inoperative - from the remote switch and the remote transmitter
  • Circuitry.
  • Luggage compartment lid actuator.
  • Rear electronic module (REM).
  • All door locks are inoperative - from the driver door lock control switch
  • Circuitry.
  • Driver door module (DDM).
  • Driver door lock control switch.
  • All door locks are inoperative - from the passenger door lock control switch
  • Circuitry.
  • Rear electronic module (REM).
  • passenger door lock control switch.
  • All door locks are inoperative - from the driver door lock cylinder
  • Circuitry.
  • Driver door latch.
  • Driver door module (DDM).
  • A single door lock is inoperative - driver door
  • Circuitry.
  • Driver door module (DDM).
  • Driver door latch.
  • More than one door lock is inoperative - RH front door, RH rear door and LH rear door
  • Circuitry.
  • Rear electronic module (REM).
  • More than one door lock is inoperative - RH front door and RH rear door
  • Circuitry.
  • Door latches.
  • Rear electronic module (REM).
  • A single door lock is inoperative - LH rear door
  • Circuitry.
  • Door latches.
  • Rear electronic module (REM).
  • The doors do not lock/unlock using the keyless entry keypad
  • Circuitry.
  • Keyless entry keypad.
  • Driver door module (DDM).
  • The doors do not lock/unlock using the remote transmitter
  • Remote transmitter battery.
  • Remote transmitter programming.
  • Remote transmitter.
  • Aftermarket system.
  • High power devices.
  • TV/radio transmission towers.
  • Driver door module (DDM).
  • Panic feature is inoperative
  • Remote transmitter battery.
  • Remote transmitter programming.
  • Driver door module (DDM).
  • The autolock does not operate correctly
  • Any door ajar switch.
  • Driver door module (DDM).
  • Vehicle speed sensor (VSS) message from ABS module.
  • Digital transmission range sensor message from the powertrain control module (PCM).
  • The smart lock does not operate correctly
  • Driver door ajar switch.
  • Passenger door ajar switch.
  • Driver door module (DDM).
  • The luggage compartment lid is inoperative using the remote transmitter
  • Remote transmitter battery.
  • Remote transmitter programming.
  • Driver door module (DDM).
  • The luggage compartment lid is inoperative using the keyless entry keypad
  • Circuitry.
  • Keyless entry keypad.
  • Driver door module (DDM).
  • The memory seat does not operate correctly using the keyless entry keypad
  • Circuitry.
  • Keyless entry keypad.
  • Driver door module (DDM).
  • Keyless entry keypad association with a memory position.
  • The memory seat does not operate correctly using the remote transmitter
  • Remote transmitter battery.
  • Remote transmitter programming.
  • Remote transmitter association with a memory position.
  • Driver door module (DDM).
  • The remote keyless entry transmitter is out of synchronization
  • Remote transmitter.
  • Driver door module (DDM).
  • Remote transmitter button pressed a substantial amount of times while outside the range of the vehicle.
  • The remote transmitter has poor range performance
  • Remote transmitter.
  • Aftermarket system.
  • High power devices.
  • TV/radio transmission towers.
  • Driver door module (DDM).
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