B1421 - Passenger Power Window Motor Circuit Short To Ground

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

  • Faulty Passenger Power Window Motor
  • Passenger Power Window Motor harness is open or shorted
  • Passenger Power Window Motor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

Possible symptoms

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

B1421 Description

The Body Control Module (BCM) monitors the Passenger Power Window Motor. The BCM sets the OBDII code when the Passenger Power Window Motor is not to factory specifications.
OBDII Code B1421 - Passenger Power Window Motor Circuit Short To Ground - AutoCodes.com

B1421 Information for specific makes

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B1421 Comments

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