B1930 – OBD-II DTC

OBD-II DTC B1930 – Air Bag Safing Sensor Output Circuit Short To Ground

DTC B1930 meaning

DTC B1930 refers to a diagnostic trouble code indicating a fault in the airbag system, specifically related to the safing sensor output circuit. The safing sensor is a critical component that helps determine whether the airbag should deploy in the event of a collision. A short to ground in this circuit suggests that there is an unintended connection to the vehicle’s ground, which can prevent the airbag system from functioning correctly.

DTC B1930 symptoms

Common symptoms associated with DTC B1930 may include:

• Illumination of the airbag warning light on the dashboard
• Potential malfunction of the airbag system
• Inconsistent airbag deployment during a collision
• Diagnostic trouble codes related to the airbag system

DTC B1930 causes

Several factors can lead to the occurrence of DTC B1930, including:

• Wiring issues, such as frayed or damaged wires
• Corrosion or poor connections in the safing sensor circuit
• Faulty safing sensor itself
• Improper installation or replacement of airbag components
• Moisture intrusion in the electrical connectors

DTC B1930 seriousness

DTC B1930 is considered serious because it directly affects the airbag system’s ability to function properly. If the airbag system is compromised, it may not deploy in the event of a collision, increasing the risk of injury to the occupants. Therefore, it is crucial to address this issue promptly to ensure the safety of the vehicle’s occupants.

How to diagnose DTC B1930

To diagnose DTC B1930, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC B1930.
2. Inspect the wiring and connectors associated with the safing sensor for any visible damage or corrosion.
3. Check for continuity in the safing sensor output circuit.
4. Test the safing sensor using a multimeter to ensure it is functioning within specifications.
5. Clear the DTC and perform a road test to see if the code reappears.

How to fix DTC B1930 step-by-step instructions

To fix DTC B1930, follow these steps:

1. Disconnect the vehicle’s battery to ensure safety while working on the airbag system.
2. Inspect and repair any damaged wiring or connectors in the safing sensor circuit.
3. Replace the safing sensor if it is found to be faulty during testing.
4. Reconnect all connectors and ensure they are secure.
5. Reconnect the vehicle’s battery.
6. Use an OBD-II scanner to clear the DTC and perform a road test to verify that the issue is resolved.

How to erase DTC B1930

To erase DTC B1930, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine.
3. Navigate to the trouble codes section of the scanner.
4. Select the option to clear or erase the codes.
5. Confirm the action and wait for the scanner to complete the process.
6. Disconnect the scanner and perform a test drive to ensure the code does not return.

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