B1995 – OBD-II DTC

OBD-II DTC B1995 – Driver Side – Side mount Airbag Low resistance on Squib

DTC B1995 meaning

DTC B1995 refers to a diagnostic trouble code indicating a low resistance condition in the driver side side mount airbag squib circuit. The squib is a component that ignites the airbag when a collision is detected. A low resistance reading suggests that there may be a short circuit or a fault in the wiring or the airbag module itself.

DTC B1995 symptoms

Common symptoms associated with DTC B1995 may include:

• Illuminated airbag warning light on the dashboard
• Possible malfunction of the driver side airbag
• Increased risk of airbag deployment failure in an accident

DTC B1995 causes

Several factors can lead to the occurrence of DTC B1995, including:

• Damaged or frayed wiring in the airbag circuit
• Faulty airbag module or squib
• Corrosion or poor connections in the airbag system
• Improper installation of the airbag or related components

DTC B1995 seriousness

DTC B1995 is considered serious because it indicates a potential failure in the airbag system. If the airbag does not deploy during a collision, it can lead to severe injury or fatality. Therefore, it is crucial to address this issue promptly to ensure the safety of the vehicle occupants.

How to diagnose DTC B1995

To diagnose DTC B1995, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC B1995.
2. Inspect the wiring and connectors related to the driver side airbag for any visible damage or corrosion.
3. Check the resistance of the squib circuit using a multimeter it should fall within the manufacturer’s specified range.
4. Test the airbag module for faults using specialized diagnostic equipment.
5. Clear the DTC and perform a road test to see if the code returns.

How to fix DTC B1995 step-by-step instructions

To fix DTC B1995, 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 found during diagnosis.
3. If the squib is faulty, replace it with a new one that meets OEM specifications.
4. Reconnect all connectors and ensure they are secure.
5. Reconnect the battery and clear the DTC using an OBD-II scanner.
6. Perform a road test to verify that the airbag system is functioning correctly and that the DTC does not return.

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