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Engine-Codes – Generic – B0117

B0117 Code - Short To Ground In Left-Side Air Bag Module Squib Circuit

Quick Answer

The diagnostic trouble code B0117 indicates a "Short To Ground In Left-Side Air Bag Module Squib Circuit." In simpler terms, this code signifies that there is a problem with the electrical circuit of the left-side airbag module in the vehicle. Common causes include Damaged wiring or connectors in the left-side airbag circuit, Corrosion or moisture ingress in the airbag module connectors, Faulty airbag module squib. 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
B0117 indicates Short To Ground In Left-Side Air Bag Module Squib Circuit.
Common causes
Common causes include Damaged wiring or connectors in the left-side airbag circuit, Corrosion or moisture ingress in the airbag module connectors, Faulty airbag module squib.
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 09, 2024
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Code B0117 Description

The diagnostic trouble code B0117 indicates a "Short To Ground In Left-Side Air Bag Module Squib Circuit." In simpler terms, this code signifies that there is a problem with the electrical circuit of the left-side airbag module in the vehicle. The airbag module squib is essentially an electrical component that initiates the deployment of the airbag in the event of a collision.

OBDII Code B0117 - Short To Ground In Left-Side Air Bag Module Squib Circuit
B0117 Code - Short To Ground In Left-Side Air Bag Module Squib Circuit

Common Causes of B0117

  1. Damaged wiring or connectors in the left-side airbag circuit
  2. Corrosion or moisture ingress in the airbag module connectors
  3. Faulty airbag module squib
  4. Impact or physical damage to the airbag system components
  5. Electrical issues in the vehicle's wiring harness

Symptoms of B0117

  1. Airbag warning light illuminated on the dashboard
  2. Inability to deploy the left-side airbag during a crash
  3. Intermittent or erratic airbag deployment
  4. Loss of communication with the airbag module
  5. Diagnostic trouble codes related to the airbag system

How to Fix B0117

  1. Diagnostic Testing: Use a scan tool to retrieve the specific trouble code and perform a thorough inspection of the left-side airbag circuit.
  2. Visual Inspection: Check for any visible damage to the wiring, connectors, and airbag module components.
  3. Repair or Replace Wiring: Repair any damaged wiring or connectors in the circuit. Replace components if necessary.
  4. Test Airbag System: Perform a test to ensure the proper functioning of the left-side airbag module.
  5. Clear Codes: Clear the diagnostic trouble codes from the vehicle's computer to reset the airbag system.

Cost to Fix B0117

The cost of repairing a short to ground in the left-side airbag module squib circuit can vary depending on the extent of the damage and the specific components that need to be replaced. In general, 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 at auto repair shops can vary significantly, with hourly rates typically ranging from $80 to $150. It's advisable to consult with a professional mechanic or shop for a more accurate estimate based on your vehicle's make and model.

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Code B0117 Information for Specific Makes

  • B0117 Lexus — Short To Ground In Left-Side Air Bag Module Squib Circuit
  • B0117 Scion — Short To Ground In Left-Side Air Bag Module Squib Circuit
  • B0117 Toyota — Short To Ground In Left-Side Air Bag Module Squib Circuit

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 B0117 Code

1. What does the OBDII code B0117 mean?

B0117 indicates a short to ground in the left-side airbag module squib circuit, which disrupts proper airbag deployment.

2. What are the common symptoms of code B0117?

Common symptoms include the airbag warning light illuminating and the airbag system being disabled.

3. What causes code B0117 to appear?

This code is typically caused by damaged wiring, a short to ground in the squib circuit, a faulty airbag module, or a bad clock spring.

4. Is it safe to drive with the B0117 code active?

No, it is not safe because the airbag system may not function properly in the event of an accident.

5. How can I diagnose the B0117 code?

You can diagnose it by inspecting the wiring and connectors for damage, testing the airbag module circuit, and using a scan tool to confirm the fault.

6. What tools are needed to fix the B0117 code?

You’ll need a multimeter, an OBDII scan tool, and possibly a service manual for your specific vehicle.

7. Can a faulty clock spring cause the B0117 code?

Yes, a faulty clock spring can cause a short in the squib circuit, leading to this error code.

8. How do I repair the B0117 code?

Repairs may involve replacing damaged wiring, fixing connectors, replacing the clock spring, or replacing the airbag module.

9. Will clearing the code fix the problem?

No, simply clearing the code will not fix the underlying issue; the short to ground must be repaired.

10. Should a professional handle repairs for the B0117 code?

Yes, airbag systems are safety-critical and require specialized knowledge to repair safely, so professional assistance is recommended.

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