AutoCodesBuick – B0051 Buick

B0051 Buick Code - Deployment Commanded

Quick Answer

The Inflatable Restraint Sensing and Diagnostic Module (SDM) contains sensing devices that converts vehicle velocity changes to electrical signals. Common causes include Faulty Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Sensing and Diagnostic Module (SDM) harness is open or shorted, Inflatable Restraint Sensing and Diagnostic Module (SDM) 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
B0051 Buick indicates Deployment Commanded.
Common causes
Common causes include Faulty Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Sensing and Diagnostic Module (SDM) harness is open or shorted, Inflatable Restraint Sensing and Diagnostic Module (SDM) 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 1,523
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 10, 2021
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Code B0051 Buick Description

The Inflatable Restraint Sensing and Diagnostic Module (SDM) contains sensing devices that converts vehicle velocity changes to electrical signals. The SDM processes the generated electrical signals and compares them to values stored in memory. When the generated signals exceed the stored values, the SDM performs additional signal processing and compares the generated signals to signals stored in memory. When 2 of the generated signals exceed the stored values, the SDM will cause current to flow through the inflator modules, deploying the inflator modules, and causing DTC B0051 to set.
OBDII Code B0051 Buick - Deployment Commanded - AutoCodes.com
B0051 Buick Code - Deployment Commanded

What are the Possible Causes of the DTC B0051 Buick?

  • Faulty Inflatable Restraint Sensing and Diagnostic Module (SDM)
  • Inflatable Restraint Sensing and Diagnostic Module (SDM) harness is open or shorted
  • Inflatable Restraint Sensing and Diagnostic Module (SDM) circuit poor electrical connection

How to Fix the DTC B0051 Buick?

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 B0051 Buick 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 B0051 Buick code?

Need more information on how to fix the B0051 Buick code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0051 Buick code diagnosed by a professional: Find a repair shop in your area

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 B0051 Buick Code

1. What are the common symptoms of OBDII code B0051 Buick (Deployment Commanded)?

When this code is triggered, you may experience issues with the airbag system, such as the airbag warning light staying on or flashing.

2. What could cause OBDII code B0051 Buick to be set?

The most common cause of code B0051 is a faulty deployment loop sensor or a problem with the airbag control module.

3. How serious is OBDII code B0051 Buick?

Code B0051 relates to the airbag system, so it is crucial to address it promptly to ensure the airbags deploy correctly in the event of an accident.

4. Can I continue driving with OBDII code B0051 Buick present?

It is not recommended to continue driving with this code active, as it indicates a potential issue with the airbag system's deployment.

5. How can I diagnose the cause of OBDII code B0051 Buick?

Diagnosing this code typically involves using an OBDII scanner to retrieve the code, followed by inspecting the deployment loop sensor and airbag control module for faults.

6. What are some repair tips for resolving OBDII code B0051 Buick?

Repairing this code may involve replacing the faulty deployment loop sensor or addressing any issues with the airbag control module.

7. Is it possible to reset OBDII code B0051 Buick without fixing the underlying issue?

While you can clear the code using an OBDII scanner, it is essential to address the root cause to prevent the code from reoccurring.

8. Can a DIY enthusiast fix OBDII code B0051 Buick, or should it be done by a professional?

Repairing this code may require advanced knowledge of airbag systems, so it is recommended to seek assistance from a qualified mechanic or technician.

9. Are there any recalls or technical service bulletins related to OBDII code B0051 Buick?

It is advisable to check with Buick or the National Highway Traffic Safety Administration (NHTSA) for any recalls or bulletins related to this specific OBDII code.

10. How much can I expect to pay to fix OBDII code B0051 Buick at a dealership or repair shop?

The cost of repairing this code can vary depending on the exact cause, but it may involve diagnostic fees, parts replacement, and labor costs, which can add up to a few hundred dollars.

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