B1992 Code - Driver Side Side Mount Airbag Circuit Short To Battery Voltage

Quick Answer

The diagnostic trouble code B1992 indicates that there is a short to battery voltage in the driver side side mount airbag circuit. Common causes include Damaged wiring or connectors in the driver side airbag circuit, Faulty airbag control module, Short circuit in the airbag circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means

B1992 indicates Driver Side Side Mount Airbag Circuit Short To Battery Voltage.

Common causes

Common causes include Damaged wiring or connectors in the driver side airbag circuit, Faulty airbag control module, Short circuit in the airbag circuit.

Severity

High - diagnose this code as soon as possible.

Can I drive?

Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

• Description
• Common Causes
• Symptoms
• How To Fix
• Cost to Fix
• FAQs
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Common Causes of B1992

Symptoms of B1992

How to Fix B1992

Cost to Fix B1992

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Code B1992 Information for Specific Makes

• B1992 Chrysler — Right Power Sliding Door Sensor Supply Circuit High
• B1992 Dodge — Right Power Sliding Door Sensor Supply Circuit High
• B1992 Ford — Driver Side Side Mount Airbag Circuit Short To Battery Voltage
• B1992 Jeep — Right Power Sliding Door Sensor Supply Circuit High
• B1992 Lincoln — Driver Side Side Mount Airbag Circuit Short To Battery Voltage
• B1992 Mercury — Driver Side Side Mount Airbag Circuit Short To Battery Voltage
• B1992 RAM — Right Power Sliding Door Sensor Supply Circuit High

Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

• Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
• Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
• Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
• Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1992 Code

1. What are the common symptoms of OBDII code B1992?

- Common symptoms include the airbag warning light illuminated on the dashboard, inoperative driver side airbag, and potential loss of airbag deployment in the event of a collision.

2. What does the OBDII code B1992 indicate?

- OBDII code B1992 indicates a driver side side mount airbag circuit short to battery voltage, meaning there is an electrical issue causing the airbag system to detect a short circuit to the vehicle's battery.

3. What are the possible causes of OBDII code B1992?

- Possible causes include a damaged or frayed wiring harness, a faulty airbag module, a defective clockspring, or a malfunctioning airbag sensor.

4. How can I diagnose the root cause of OBDII code B1992?

- Diagnosing the issue involves inspecting the wiring harness for damage, testing the airbag module and sensor for proper functionality, and checking the clockspring for any faults using a diagnostic scan tool.

5. Can I still drive my vehicle with OBDII code B1992 present?

- It is not recommended to drive the vehicle with an active airbag fault code, as it may compromise the safety of the driver in the event of a collision. Seek professional diagnosis and repair as soon as possible.

6. How can I repair OBDII code B1992?

- Repair typically involves addressing the underlying cause of the short circuit, which may include repairing or replacing damaged wiring, replacing the airbag module or sensor, or fixing the clockspring as necessary.

7. Do I need specialized tools to fix OBDII code B1992?

- While basic tools may be sufficient for inspecting wiring and connections, specialized diagnostic equipment is often needed to accurately diagnose and repair issues related to the airbag system.

8. Will resetting the OBDII code B1992 turn off the airbag warning light?

- Resetting the code may temporarily turn off the warning light, but if the underlying issue causing the fault code is not resolved, the light will likely reappear once the system detects the fault again.

9. Is it safe to attempt DIY repairs for OBDII code B1992?

- Due to the critical safety nature of the airbag system, it is recommended to have repairs for OBDII code B1992 performed by a qualified automotive technician to ensure proper diagnosis and resolution of the issue.

10. How can I prevent OBDII code B1992 from occurring in the future?

- Regular maintenance checks, avoiding water damage to the airbag system components, and addressing any warning lights promptly can help prevent OBDII code B1992 and other airbag-related issues from occurring.