Detailed Description of Error B0079

OBDII error code B0079 refers to a problem with the driver seatbelt pretensioner ''B'' deployment control. The seatbelt pretensioner is a critical safety feature that tightens the seatbelt in the event of sudden braking or a crash. This code is a subfault, meaning it''s a more specific issue related to the deployment control of the pretensioner.

The error code B0079 is usually accompanied by other codes, such as B0077 or B0078, which indicate a problem with the pretensioner itself. However, B0079 specifically points to an issue with the deployment control, which is responsible for triggering the pretensioner in emergency situations.

Possible Causes of Error B0079

• Short circuit in the pretensioner deployment control wiring
• Open circuit in the pretensioner deployment control wiring
• Corrosion or damage to the pretensioner deployment control connector
• Failed pretensioner deployment control module
• Bad or faulty seatbelt pretensioner sensor
• Internal fault in the airbag control module (ACM)
• Software issue in the ACM

Possible Fixes for Error B0079

• Inspect the pretensioner deployment control wiring for damage or corrosion and repair or replace as needed
• Check the pretensioner deployment control connector for corrosion or damage and clean or replace as needed
• Replace the pretensioner deployment control module if it''s faulty
• Replace the seatbelt pretensioner sensor if it''s bad or faulty
• Update the ACM software if it''s outdated
• Clear the fault code and test the system to ensure the issue is resolved