AutoCodes – Generic – B1348

B1348 Code - Driver Front Airbag Short to Ground

Quick Answer

When the ignition switch is turned to ON, the Sensing and Diagnostic Module (SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself. Common causes include Faulty Driver Front Airbag, Driver Front Airbag harness is open or shorted, Driver Front Airbag circuit poor electrical connection. 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: B1348 indicates Driver Front Airbag Short to Ground.
Common causes: Common causes include Faulty Driver Front Airbag, Driver Front Airbag harness is open or shorted, Driver Front Airbag circuit poor electrical connection.
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.

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Code Popularity 15,561

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1348 Description

When the ignition switch is turned to ON, the Sensing and Diagnostic Module (SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself.
Upon passing these test ignition and deployment loop voltages are measured to ensure that they are within their normal voltage ranges. The SDM monitors the voltages at the driver low and the passenger low to detect shorts to ground or voltage in the deploy loops.
The SDM checks the wiring connection to the driver airbag module by letting the infinitesimal current flow through the internal circuit and verify the resistance.

OBDII Code B1348 - Driver Front Airbag Short to Ground - AutoCodes.com — B1348 Code - Driver Front Airbag Short to Ground

What does this mean?

What are the Possible Causes of the DTC B1348?

Faulty Driver Front Airbag
Driver Front Airbag harness is open or shorted
Driver Front Airbag circuit poor electrical connection
Faulty Clockspring

How to Fix the DTC B1348?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1348 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1348 code?

Need more information on how to fix the B1348 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1348 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1348 Buick — Driver Front Airbag Short to Ground
B1348 Cadillac — Driver Front Airbag Short to Ground
B1348 Chevrolet — Driver Front Airbag Short to Ground
B1348 Ford — Heated Backlite Relay Circuit Open
B1348 GMC — Driver Front Airbag Short to Ground
B1348 Hyundai — Driver-Side Air Bag Module First Stage Short To Ground
B1348 Infiniti — Front Door Satellite Sensor Left Communication Error
B1348 KIA — Driver-Side Air Bag Module First Stage Short To Ground
B1348 Lincoln — Heated Backlite Relay Circuit Open
B1348 Mercury — Heated Backlite Relay Circuit Open
B1348 Nissan — Front Door Satellite Sensor Left Communication Error

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 B1348 Code

1. What are the common symptoms of OBDII code B1348 (Driver Front Airbag Short to Ground)?

- Common symptoms include the airbag warning light staying illuminated on the dashboard and a potential non-deployment of the driver front airbag during a collision.

2. What are the possible causes of OBDII code B1348?

- The code B1348 can be triggered by issues such as damaged wiring harnesses, a faulty airbag module, a short circuit in the driver front airbag system, or a malfunctioning clock spring.

3. How can I diagnose the cause of OBDII code B1348?

- Proper diagnosis involves using a professional OBDII scanner to retrieve the code, inspecting the wiring harnesses and connectors in the airbag system, and conducting resistance tests to identify the short to ground.

4. Are there any safety precautions to consider when dealing with OBDII code B1348?

- When working on the airbag system, always disconnect the vehicle's battery and wait for at least 10-15 minutes before proceeding to avoid accidental airbag deployment.

5. Can I repair OBDII code B1348 on my own?

- Repairing code B1348 often requires specialized knowledge and tools to safely diagnose and fix the issue. It is recommended to seek assistance from a qualified mechanic or automotive technician.

6. How much does it typically cost to repair OBDII code B1348?

- The cost of repairing code B1348 can vary depending on the specific cause of the issue. Repair costs may include labor charges, replacement parts, and diagnostic fees, ranging from a few hundred to over a thousand dollars.

7. Can driving with OBDII code B1348 pose any risks?

- Driving with an unresolved airbag system issue indicated by code B1348 can pose a safety risk in the event of a collision, as the driver front airbag may not deploy as intended, potentially increasing the risk of injury.

8. Will resetting the OBDII code B1348 resolve the issue temporarily?

- Simply resetting the code without addressing the underlying cause will not fix the problem. It is important to diagnose and repair the issue triggering code B1348 to ensure the proper functioning of the driver front airbag system.

9. Are there any recalls related to OBDII code B1348?

- It is advisable to check with the vehicle manufacturer or authorized dealerships to inquire about any recalls or service bulletins related to code B1348 affecting the specific make and model of your vehicle.

10. How can I prevent OBDII code B1348 from reoccurring in the future?

- To prevent the recurrence of code B1348, regular maintenance of the airbag system, timely repairs of any damaged wiring or components, and avoiding physical damage to the airbag system can help maintain its proper functioning.