Symptom Chart

WARNING: This page is about a different car, the 2008 Mercury Sable, 2008 Ford Taurus X, and 2008 Ford Taurus. 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(s) Circuitry DSM	REFER to MODULE COMMUNICATIONS NETWORK article.
No communication with the module - unable to carry out on-demand self test with the DSM	Fuse(s) Circuitry DSM	REFER to MODULE COMMUNICATIONS NETWORK article.
The power seat is inoperative - driver, with power recliner	Fuse Circuitry Seat control switch	Go to Pinpoint Test A .
The power seat is inoperative - driver, without power recliner	Fuse Circuitry Seat control switch	Go to Pinpoint Test B .
The power seat is inoperative - passenger, with power recliner	Fuse Circuitry Seat control switch	Go to Pinpoint Test C .
The power seat is inoperative - passenger, without power recliner	Fuse Circuitry Seat control switch Seat track	Go to Pinpoint Test D .
The power seat does not move horizontally/vertically/recline - driver, with power recliner	Circuitry Seat control switch Seat track	Go to Pinpoint Test E .
The power seat does not move horizontally/vertically - driver, without power recliner	Circuitry Seat control switch Seat track	Go to Pinpoint Test F .
The power seat does not move horizontally/recline - passenger	Circuitry Seat control switch Seat track	Go to Pinpoint Test G .
The power seat moves but is noisy	Seat track	Go to Pinpoint Test H .
The power seat moves but is loose	Fastening hardware Seat track	Go to Pinpoint Test I .
The power seat does not make full travel	Track obstruction Seat track	Go to Pinpoint Test J .
The memory seat is inoperative/does not operate correctly - does not operate horizontally/vertically/recline	Fuse Circuitry Seat control switch Seat track DSM	Go to Pinpoint Test K .
The memory seat does not operate correctly - the seat moves in one-second intervals	Circuitry DSM	CHECK for driver seat module DTCs and REFER to the Driver Seat Module (DSM) DTC Table .
The memory seat does not operate correctly - the seat does not move to the correct memory position	Circuitry Memory SET switch Seat track DSM	CHECK for DSM DTCs and REFER to the Driver Seat Module (DSM) DTC Table .
The memory seat does not operate correctly - does not operate using the memory SET switch	Circuitry Memory SET switch DSM	Go to Pinpoint Test L .
The memory seat does not operate correctly - does not operate using the remote transmitter	Remote keyless entry (RKE) transmitter is not correctly associated to a memory position Circuitry Keyless entry transmitter DSM Smart junction box (SJB)	VERIFY the RKE transmitter is operating correctly and is associated to a memory position. REFER to Principles of Operation or the Owner's Literature for additional information on associating a RKE transmitter. For a RKE transmitter function concern, REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article. RUN the DSM self-test and REFER to the Driver Seat Module (DSM) DTC Table to diagnose any DTCs retrieved.
A heated seat indicator does not illuminate - front	HVAC module	Key OFF and DISASSEMBLE as necessary to disconnect the HVAC module electrical connectors. WAIT one minute to allow the system to reset and RECONNECT the electrical connectors. RETEST the system. If the heated seat indicator still does not illuminate, INSTALL a new HVAC module. REFER to CLIMATE CONTROL article. TEST the system for normal operation.
The heated seats are inoperative - driver and front passenger	Fuse Circuitry Heated seat module	Go to Pinpoint Test M .
The heated seat is inoperative/does not operate correctly - driver	Circuitry Heater mat Heated seat module HVAC module	Go to Pinpoint Test N .
The heated seat is inoperative/does not operate correctly - front passenger	Circuitry Heater mat Heated seat module HVAC module	Go to Pinpoint Test O .
The heated seat does not operate correctly - driver seat does heat but the heated seat indicator does not illuminate	Circuitry Heated seat module HVAC module	Go to Pinpoint Test P .
The heated seat does not operate correctly - front passenger seat does heat but the heated seat indicator does not illuminate	Circuitry Heated seat module HVAC module	Go to Pinpoint Test Q .
The power seat is inoperative/does not operate correctly - second row, power-fold	Fuse(s) Circuitry Seat control switch Power-fold seat motor SJB	Go to Pinpoint Test R .
The power seat is inoperative - second row, power-fold seat does not latch to the floor	Fuse Circuitry Power-fold seat motor SJB	Go to Pinpoint Test S .
The heated seats are inoperative - rear	Fuse Circuitry Heated seat module	Go to Pinpoint Test T .
The heated seat is inoperative/does not operate correctly - left rear	Circuitry Heated seat switch Seat cushion heater mat Seat backrest heater mat Heated seat module	Go to Pinpoint Test U .
The heated seat is inoperative/does not operate correctly - right rear	Circuitry Heated seat switch Seat cushion heater mat Seat backrest heater mat Heated seat module	Go to Pinpoint Test V .
The heated seat does not operate correctly - left rear seat does heat but the heated seat indicator does not illuminate when pressed	Wiring, terminals or connectors Heated seat switch Heated seat module	Go to Pinpoint Test W .
The heated seat does not operate correctly - right rear seat does heat but the heated seat indicator does not illuminate when pressed	Wiring, terminals or connectors Heated seat switch Heated seat module	Go to Pinpoint Test X .
The heated seat does not operate correctly - left rear seat does heat but the heated seat indicator is on all the time	Wiring, terminals or connectors Heated seat module	Go to Pinpoint Test Y .
The heated seat does not operate correctly - right rear seat does heat but the heated seat indicator is on all the time	Wiring, terminals or connectors Heated seat module	Go to Pinpoint Test Z .
Easy exit/easy entry is inoperative/does not operate correctly	Circuitry Key-in ignition switch Instrument cluster DSM	Go to Pinpoint Test AA .
The seat backrest will not fold upright - second row, 60 percent	Safety belt web stop button missing Inboard recliner Outboard recliner	Go to Pinpoint Test AB .
The seat backrest will not fold down - second row, 60 percent	Outboard recliner Inboard recliner Recliner cable disconnected/damaged	Go to Pinpoint Test AC .
The seat backrest will not fold down/fold upright - second row, 40 percent (RH or LH)	Recliner cable disconnected/damaged Recliner	Go to Pinpoint Test AD .