Symptom Chart

2005 Ford Taurus SEL, 4D SedanSECTION Symptom Chart
WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • No communication with the driver seat module (DSM)
  • Fuse
  • Circuitry
  • DSM
  • For vehicles equipped with seat side air bags, DEPOWER the supplemental restraint system (SRS). REFER to SUPPLEMENTAL RESTRAINT SYSTEM . DISCONNECT driver seat side air bag C327 and CONNECT restraint system diagnostic tool 418-133 to driver seat side air bag C327. CONNECT the battery ground cable.
  • CHECK DSM C3299a pin 2, circuit SBB32 (VT/RD) and C3299c pin 1, circuit SBB15 (WH/RD) for greater than 10 volts; REPAIR as needed. CHECK DSM C3299a pin 1, circuit GD126 (BK/WH) and C3299c pin 13, circuit GD126 (BK/WH) for less than 5 ohms to ground; REPAIR as needed. If OK, REFER to MODULE COMMUNICATIONS NETWORK .
  • For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. DISCONNECT the restraint system diagnostic tool from driver seat side air bag module C327 and CONNECT driver seat side air bag module C327. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
  • No communication with the module - unable to carry out on-demand self test with the DSM
  • Circuitry
  • DSM
  • No communication with the dual climate control seat module (DCSM)
  • Fuse
  • Circuitry
  • DCSM
  • DEPOWER the supplemental restraint system (SRS). REFER to SUPPLEMENTAL RESTRAINT SYSTEM . DISCONNECT passenger seat side air bag module C313. CONNECT restraint system diagnostic tool 418-133 to passenger seat side air bag module C313. CONNECT the battery ground cable.

DISCONNECT and CHECK DCSM C3305a-E, circuit SBB11 (BU/RD), harness side and DCSM C3305a-F, circuit SBB12 (GN/RD), harness side for greater than 10 volts and DCSM C3305a-M, circuit GD139 (BK/YE), harness side for less than 5 ohms to ground and REPAIR as needed. If OK, REFER to MODULE COMMUNICATIONS NETWORK to diagnose the MS-CAN communication bus concern. Once the repair is complete, DISCONNECT the battery ground cable. DISCONNECT the restraint system diagnostic tool from passenger seat side air bag module C313 and CONNECT the passenger seat side air bag module C313.
REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
  • The power seat is inoperative - driver (with power recliner)
  • Fuse
  • Circuitry
  • Front seat control switch
  • The power seat is inoperative - driver (without power recliner)
  • Fuse
  • Circuitry
  • Front seat control switch
  • The power seat is inoperative - passenger (with power recliner)
  • Fuse
  • Circuitry
  • Front seat control switch
  • The power seat is inoperative - passenger (without power recliner)
  • Fuse
  • Circuitry
  • Front seat control switch
  • The power seat moves but is loose
  • Fastening hardware
  • Seat track
  • The power seat moves but is noisy
  • Seat track
  • The power seat does not make full travel
  • Seat track obstructed
  • Seat track
  • The power seat does not move horizontally/vertically/recline - driver
  • Circuitry
  • Front seat motors
  • Front seat control switch
  • The power seat does not move horizontally/vertically - driver (without power recliner)
  • Circuitry
  • Front seat motors
  • Front seat control switch
  • The power seat does not move horizontally/vertically/recline - passenger
  • Circuitry
  • Front seat motors
  • Front seat control switch
  • The power seat does not move horizontally/vertically - passenger (without power recline)
  • Circuitry
  • Front seat motors
  • Front seat control switch
  • The memory seat is inoperative
  • Circuitry
  • Seat control switch
  • DSM
  • The memory seat does not operate correctly - does not operate using the memory set switch
  • Circuitry
  • Memory set switch
  • DSM
  • The memory seat does not operate correctly - the seat moves in one second intervals
  • Circuitry
  • DSM
  • The memory seat does not operate correctly - the seat does not move to the correct memory position
  • Circuitry
  • Memory set switch
  • DSM
  • Seat track
  • The memory seat does not operate correctly - does not operate using the remote transmitter
  • Circuitry
  • DSM
  • Keyless entry transmitter
  • Easy exit/easy entry is inoperative/does not operate correctly
  • Circuitry
  • Key in ignition switch
  • ICM
  • DSM.
  • Easy exit/easy entry is not operating correctly - the seat does not remain in the easy entry position with the ignition key removed
  • DSM
  • The power lumbar is inoperative - driver
  • Circuitry
  • Seat control switch
  • Power lumbar motor assembly
  • The power lumbar is inoperative - passenger
  • Circuitry
  • Seat control switch
  • Power lumbar motor assembly
  • The heated seat is inoperative - driver
  • Fuse
  • Circuitry
  • Heated seat switch
  • Seat cushion heater mat
  • Seat backrest heater mat
  • Heated seat module
  • The heated seat is inoperative - passenger
  • Fuse
  • Circuitry
  • Heated seat switch
  • Seat cushion heater mat
  • Seat backrest heater mat
  • Heated seat module
  • The heated seat is inoperative - driver seat does heat but the heated seat indicator does not illuminate when pressed
  • Wiring, terminals or connectors
  • EATC module
  • Heated seat module
  • The heated seat is inoperative - passenger seat does heat but the heated seat indicator does not illuminate when pressed
  • Wiring, terminals or connectors
  • EATC module
  • Heated seat module
  • A single climate controlled seat is inoperative/does not operate correctly
  • Circuitry
  • MS-CAN network communication fault
  • EATC module
  • DCSM
    NOTE: If a fault occurs setting a DTC specific to only one climate controlled seat, the DCSM will disable only the affected seat outputs and allow the other seat to remain operational. CHECK for DTCs specific to the affected climate controlled seat and, if a DTC is present, REFER to the DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX .
    RENDER: 1.0x

    NO RELATED

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    When to See a Mechanic

    Stop DIY work and contact a certified mechanic immediately if any of the following apply:

    • You smell fuel, burning insulation, or see smoke.
    • Brakes feel soft, pull hard to one side, or make grinding noises.
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    • You are missing required tools, torque specs, or safe lifting equipment.
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