B1795 Occupant Classification ECU Malfunction

• Code: B1795
  
  Description: Occupant Classification ECU Malfunction
  
  Definition: This code indicates a malfunction in the occupant classification system’s electronic control unit (ECU), which is responsible for determining the presence and classification of passengers in the vehicle to ensure proper airbag deployment.

B1795: Occupant Classification ECU Malfunction

Severity: Moderate

Common Causes

B1795 – Occupant Classification ECU Malfunction

Common Causes:

• Faulty occupant classification ECU
• Loose or damaged wiring/connectors in the occupant classification system
• Interference from other electronic devices affecting the occupant classification system
• Software issues within the occupant classification ECU

Common Misdiagnosis

html

• OBD2 Code: B1795
  
  Description: Occupant Classification ECU Malfunction
  
  Common Misdiagnosis: Faulty wiring or connectors are often misdiagnosed as a malfunctioning ECU.

Common Diagnostic Steps

html

OBD2 Code: B1795

Description: Occupant Classification ECU Malfunction

• Check for any additional trouble codes that may be present, as they can provide more context or related issues.
• Inspect the wiring and connectors associated with the occupant classification system for signs of damage, corrosion, or disconnection.
• Verify the power supply and ground connections to the Occupant Classification ECU are intact and functioning properly.
• Use a scan tool to monitor live data from the occupant classification system to ensure sensors are providing accurate readings.
• If applicable, perform a recalibration of the occupant classification system using manufacturer-specific procedures.
• If no faults are found in wiring or connections, consider replacing the Occupant Classification ECU after confirming it is defective through diagnostic testing.