2002 Ford Windstar BaseFACTORY OEM SERVICE PROCEDURE

Power Windows DTCS

FRONT ELECTRONIC MODULE (FEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1243 Express Window Down Switch Circuit Short to Battery FEM PINPOINT TEST F
B1304 Accessory Delay Relay Coil Circuit Short to Battery FEM PINPOINT TEST B
B1342 ECU is Defective FEM INSTALL a new FEM. REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES .
B1349 Heated Rear Window Relay Short to Battery FEM PINPOINT TEST G
B1404 Driver Power Window Down Circuit Open FEM PINPOINT TEST C
B1405 Driver Power Window Down Circuit Short to Battery FEM PINPOINT TEST C
B1407 Driver Power Window UP Circuit Open FEM PINPOINT TEST C
B1408 Driver Power Window UP Circuit Short to Battery FEM PINPOINT TEST C
Factory Service Tools

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When to See a Mechanic

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

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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