B1409 - Driver Power Window Up Circuit Short To Ground

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Driver Power Window Regulator Electric Motor
  • Faulty Master Window Regulator Control Switch
  • Faulty Front Electronics Module (FEM)
  • Master Window Regulator Control Switch harness is open or shorted
  • Master Window Regulator Control Switch circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1409 Description

The driver power window is controlled by the Front Electronics Module (FEM). The driver power window regulator control switch and motor are hardwired directly to the FEM. The FEM will read the window regulator control switch actuation and provide the corresponding output to the window motor. If one-touch operation is selected, the FEM powers the driver window motor for seven seconds or until the FEM senses the motor is stalled. If the window track, regulator or glass weatherstrips cause the glass to bind, the FEM may interpret this as a motor stalled condition and halt motor operation.
OBDII Code B1409 - Driver Power Window Up Circuit Short To Ground - AutoCodes.com

B1409 Information for specific makes

  • B1409 FORD Driver Power Window Up Circuit Short To Ground
  • B1409 LINCOLN Driver Power Window Up Circuit Short To Ground
  • B1409 MERCURY Driver Power Window Up Circuit Short To Ground

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B1409 Comments

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