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Engine-Codes – Generic – B1073

B1073 Code - Assist Air Bag Module Short

Quick Answer

The B1073 diagnostic trouble code (DTC) indicates an issue with the Assist Air Bag Module Short in the vehicle's airbag system. Common causes include Short circuit in the wiring harness connected to the airbag module, Faulty airbag module, Corrosion or damage to the connectors associated with the airbag system. 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
B1073 indicates Assist Air Bag Module Short.
Common causes
Common causes include Short circuit in the wiring harness connected to the airbag module, Faulty airbag module, Corrosion or damage to the connectors associated with the airbag system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code B1073 Description

The B1073 diagnostic trouble code (DTC) indicates an issue with the Assist Air Bag Module Short in the vehicle's airbag system. The airbag module is a crucial component of the vehicle's safety system, designed to deploy the airbags in the event of a collision to protect the occupants from serious injury. When this code is triggered, it means that there is a short circuit in the wiring or components associated with the airbag module.

OBDII Code B1073 - Assist Air Bag Module Short
B1073 Code - Assist Air Bag Module Short

Common Causes of B1073

  1. Short circuit in the wiring harness connected to the airbag module.
  2. Faulty airbag module.
  3. Corrosion or damage to the connectors associated with the airbag system.
  4. Impact or collision that damaged the airbag system components.
  5. Electrical issues in the vehicle's wiring system.

Symptoms of B1073

  1. Airbag warning light illuminated on the dashboard.
  2. Inability to deploy airbags in the event of a collision.
  3. Intermittent or erratic airbag deployment.
  4. Loss of communication with the airbag module.
  5. Vehicle failing safety inspection due to airbag system malfunction.

How to Fix B1073

  1. Begin by diagnosing the specific cause of the Assist Air Bag Module Short, using a diagnostic scanner to retrieve the trouble codes and pinpoint the issue.
  2. Inspect the wiring harness and connectors associated with the airbag module for any signs of damage, corrosion, or short circuits. Repair or replace any damaged components.
  3. Test the airbag module itself to determine if it is functioning correctly. Replace the airbag module if necessary.
  4. Clear the trouble codes from the vehicle's computer system and reset the airbag system.
  5. Perform a thorough test drive to ensure that the airbag system is functioning properly and that the airbag warning light is no longer illuminated.

Cost to Fix B1073

The cost of repairing a B1073 Assist Air Bag Module Short code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it's important to note that labor rates can vary significantly based on location, vehicle make and model, and the expertise of the technician. It's advisable to check with local auto repair shops for a more accurate estimate based on your specific circumstances.

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Code B1073 Information for Specific Makes

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 B1073 Code

1. What are common symptoms of OBDII code B1073 (Assist Air Bag Module Short)?

- Common symptoms include the airbag warning light on the dashboard illuminating and potential issues with the airbag system's functionality.

2. What can cause OBDII code B1073 to trigger?

- The code B1073 is triggered when a short circuit is detected in the wiring or components associated with the Assist Air Bag Module.

3. How serious is OBDII code B1073 (Assist Air Bag Module Short)?

- This code indicates a potential problem with the airbag system, which is a critical safety feature. It is essential to address this issue promptly to ensure the airbags deploy correctly in case of an accident.

4. Can I drive my vehicle with OBDII code B1073 present?

- It is not recommended to drive the vehicle with OBDII code B1073 present as it indicates a fault in the airbag system, which could compromise your safety in the event of a collision.

5. How can I diagnose and repair OBDII code B1073?

- Diagnosis typically involves inspecting the wiring and connectors associated with the Assist Air Bag Module for any signs of damage or short circuits. Repair may involve repairing or replacing damaged wiring or components.

6. Is it safe to reset the OBDII code B1073 without fixing the underlying issue?

- Resetting the code without addressing the underlying problem will not resolve the issue and may lead to the airbag system not functioning correctly in an emergency situation. It is crucial to diagnose and repair the problem.

7. Can a DIY enthusiast fix OBDII code B1073 at home?

- While some DIY enthusiasts may have the skills to diagnose and repair simple wiring issues, addressing OBDII code B1073, which involves the airbag system, is best left to professionals due to safety concerns.

8. How much does it cost to repair OBDII code B1073?

- The cost of repairing OBDII code B1073 can vary depending on the extent of the damage and the specific components that need to be repaired or replaced. It is advisable to consult a professional for an accurate estimate.

9. Will OBDII code B1073 cause my airbags to deploy unintentionally?

- OBDII code B1073 itself does not cause the airbags to deploy unintentionally. However, a fault in the airbag system, if left unresolved, could potentially lead to unexpected deployment or failure to deploy during an accident.

10. How often does OBDII code B1073 (Assist Air Bag Module Short) occur in vehicles?

- The occurrence of OBDII code B1073 can vary depending on the vehicle's make and model, as well as the age and condition of the airbag system. It is not one of the most common OBDII codes, but it is essential to address it promptly if it does occur.

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