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Engine-Codes – Generic – B1917

B1917 Code - Air Bag Memory Clear Circuit Failure

Quick Answer

The B1917 diagnostic trouble code (DTC) indicates an issue with the airbag memory clear circuit. Common causes include Damaged wiring or connectors in the airbag system, Faulty airbag module, Corrosion or moisture intrusion in the airbag system components. 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
B1917 indicates Air Bag Memory Clear Circuit Failure.
Common causes
Common causes include Damaged wiring or connectors in the airbag system, Faulty airbag module, Corrosion or moisture intrusion in the airbag system components.
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 07, 2024
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Code B1917 Description

The B1917 diagnostic trouble code (DTC) indicates an issue with the airbag memory clear circuit. This means that there is a failure in the system responsible for erasing or resetting the airbag module's memory. The airbag module stores important data related to the vehicle's airbag system, such as crash sensor information, deployment status, and fault codes. When the memory clear circuit fails, it can prevent the airbag module from properly resetting, potentially leading to malfunctioning airbags in the event of a collision.

OBDII Code B1917 - Air Bag Memory Clear Circuit Failure
B1917 Code - Air Bag Memory Clear Circuit Failure

Common Causes of B1917

  1. Damaged wiring or connectors in the airbag system
  2. Faulty airbag module
  3. Corrosion or moisture intrusion in the airbag system components
  4. Electrical issues in the memory clear circuit
  5. Impact or damage to the vehicle that may have affected the airbag system

Symptoms of B1917

  1. Illumination of the airbag warning light on the dashboard
  2. Inability to reset the airbag module
  3. Error codes related to the airbag system displayed on a diagnostic scanner
  4. Non-deployment of airbags during a crash test or collision

How to Fix B1917

  1. Perform a thorough diagnostic scan to retrieve the specific trouble code and identify the root cause of the issue.
  2. Inspect the airbag system components, wiring, and connectors for any visible damage or corrosion.
  3. Test the memory clear circuit for continuity and proper functionality.
  4. Replace any damaged wiring, connectors, or components as needed.
  5. Clear the airbag module's memory and reset the system to ensure proper operation.

Cost to Fix B1917

The cost of repairing a B1917 code can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair cost for this issue can range from $200 to $500, including parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain a detailed estimate from a qualified technician.

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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 B1917 Code

1. What are common symptoms of OBDII code B1917 (Air Bag Memory Clear Circuit Failure)?

- The common symptoms include the airbag warning light staying illuminated on the dashboard and potential issues with the airbag system.

2. What can cause OBDII code B1917 to trigger?

- This code is typically triggered by a failure in the circuit responsible for clearing the airbag system memory, which may be caused by wiring issues, a faulty control module, or a blown fuse.

3. How serious is OBDII code B1917 (Air Bag Memory Clear Circuit Failure)?

- This code indicates a problem in the airbag system, which is a critical safety feature in a vehicle. It should be addressed promptly to ensure the airbags function correctly in the event of an accident.

4. Can I continue driving with OBDII code B1917 present?

- It is not recommended to drive with this code active, as it indicates a potential issue with the airbag system's functionality. Continued driving may compromise your safety in the event of a collision.

5. How can I diagnose and repair OBDII code B1917?

- Diagnosing and repairing this code typically involves inspecting the airbag system wiring, connectors, control module, and related components for any signs of damage or malfunction. Professional diagnosis may be necessary.

6. Is it possible to reset OBDII code B1917 without fixing the underlying issue?

- Resetting the code without addressing the root cause, such as a faulty circuit or control module, will likely result in the code reappearing once the system detects the ongoing issue.

7. Are there any DIY repair tips for OBDII code B1917?

- DIY repair for this code is not recommended due to the complex nature of the airbag system. It is best to consult a qualified mechanic or technician for proper diagnosis and repair.

8. How much does it cost to fix OBDII code B1917?

- The cost of repairing this code can vary depending on the underlying issue and the labor rates of the repair facility. It is advisable to obtain quotes from different shops for an accurate estimate.

9. Can OBDII code B1917 be a false alarm?

- While rare, false alarms for this code are possible due to temporary electrical glitches or sensor malfunctions. However, it is essential to have the system thoroughly inspected to rule out any genuine issues.

10. Will OBDII code B1917 affect my vehicle's performance?

- This code is related to the airbag system and should not directly impact the vehicle's performance. However, ignoring the issue may lead to safety concerns in the event of a collision.

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