B2120 - Door Passenger Set Switch Stuck Failure

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

  • Faulty Door Passenger Set Switch
  • Door Passenger Set Switch harness is open or shorted
  • Door Passenger Set Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

Possible symptoms

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

B2120 Description

The Body Control Module (BCM) monitors the Door Passenger Set Switch. The BCM sets the OBDII code when the Door Passenger Set Switch is not to factory specifications.
OBDII Code B2120 - Door Passenger Set Switch Stuck Failure - AutoCodes.com

B2120 Information for specific makes

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B2120 Comments

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