Symptom Chart

2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Symptom Chart
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart

Condition Possible Sources Action
  • The power seat is inoperative
  • Fuse
  • Wiring, terminals or connectors
  • Seat control switch
  • The power seat moves but is noisy
  • Obstruction or foreign material
  • Seat track
  • The power seat moves but is loose
  • Fastening hardware
  • Seat track
  • The power seat does not make full travel
  • Seat track obstructed
  • Seat track
  • The power seat does not move horizontally/vertically
  • Wiring, terminals or connectors
  • Seat control switch
  • Seat track
  • A heated seat indicator does not illuminate
  • 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
  • Fuse
  • Wiring, terminals or connectors
  • HVAC module
  • Smart junction box (SJB)
  • The heated seat is inoperative/does not operate correctly - driver
  • Wiring, terminals or connectors
  • Heated seat relay
  • Heater mat
  • HVAC module
  • The heated seat is inoperative/does not operate correctly - passenger
  • Wiring, terminals or connectors
  • Heated seat relay
  • Heater mat
  • HVAC module
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.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.