B1B13 Code - Driver Knee Bolster Squib Circuit Shorted Together
Quick Answer
The B1B13 diagnostic trouble code (DTC) indicates that there is a short circuit in the driver knee bolster squib circuit. Common causes include Wiring harness damage or chafing, Faulty driver knee bolster squib, Corrosion in the circuit connections. 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
- B1B13 indicates Driver Knee Bolster Squib Circuit Shorted Together.
- Common causes
- Common causes include Wiring harness damage or chafing, Faulty driver knee bolster squib, Corrosion in the circuit connections.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B1B13 Description
The B1B13 diagnostic trouble code (DTC) indicates that there is a short circuit in the driver knee bolster squib circuit. The driver knee bolster squib is a safety feature in the vehicle that deploys the airbag located in the knee bolster in the event of a collision. A short circuit in this circuit can prevent the airbag from deploying properly, posing a serious safety risk to the driver in the event of an accident. This issue can also trigger the airbag warning light on the dashboard.
Common Causes of B1B13
- Wiring harness damage or chafing
- Faulty driver knee bolster squib
- Corrosion in the circuit connections
- Loose or damaged connectors
- Electrical issues in the vehicle's system
Symptoms of B1B13
- Airbag warning light illuminated on the dashboard
- Non-deployment of the driver knee bolster airbag in a collision
- Faulty horn operation
- Loss of cruise control functionality
- Inability to reset the airbag system after a repair
How to Fix B1B13
- Diagnose the exact location of the short circuit using a multimeter
- Inspect the wiring harness for any damage or chafing, and repair or replace as necessary
- Check the driver knee bolster squib for proper functionality and replace if faulty
- Clean and secure any loose or damaged connectors
- Clear the fault codes and test the system to ensure proper operation
Cost to Fix B1B13
The cost of repairing a B1B13 code can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $150 to $400, depending on the shop's hourly rates and the time required for diagnosis and repair. Overall, the total cost for addressing this issue may fall in the range of $250 to $700. It is advisable to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your specific vehicle and location.
When is the Code Detected?
Need more information about the B1B13 code?
Need more information on how to fix the B1B13 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1B13 code diagnosed by a professional: Find a repair shop in your area
Code B1B13 Information for Specific Makes
- B1B13 Chrysler — Driver Knee Bolster Squib Circuit Shorted Together
- B1B13 Dodge — Driver Knee Bolster Squib Circuit Shorted Together
- B1B13 Jeep — Driver Knee Bolster Squib Circuit Shorted Together
- B1B13 Mitsubishi — Driver Knee Bolster Squib Circuit Shorted Together
- B1B13 RAM — Driver Knee Bolster Squib Circuit Shorted Together
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.
Frequently Asked Questions about B1B13 Code
1. What does the OBDII code B1B13 mean?
The B1B13 code indicates a problem with the driver's knee bolster squib circuit, specifically that it is shorted together.
2. What are the symptoms of code B1B13?
Common symptoms include the airbag warning light illuminating on the dashboard and potential deactivation of the driver’s knee airbag.
3. What causes the B1B13 code to appear?
Typical causes include damaged wiring, a short circuit in the knee bolster squib circuit, a faulty airbag control module, or a defective driver's knee airbag.
4. Is it safe to drive with the B1B13 code?
It is not recommended to drive with this code active, as it may indicate that the airbags won’t deploy properly in an accident.
5. How can I diagnose the B1B13 code?
Diagnosis typically involves inspecting the wiring and connectors for damage or corrosion, testing the resistance of the driver's knee bolster squib, and checking for faults in the airbag control module.
6. Can a blown fuse cause the B1B13 code?
Yes, a blown airbag system fuse can contribute to this issue, as it may interrupt proper circuit operation.
7. What repairs are needed to fix the B1B13 code?
Repairs may include replacing damaged wiring, repairing or replacing connectors, replacing the driver’s knee airbag, or replacing the airbag control module.
8. How much does it cost to fix the B1B13 code?
The cost can vary widely depending on the exact repair but typically ranges from $100 for minor wiring fixes to over $1,000 if the airbag or control module needs replacement.
9. Can I reset the B1B13 code without repairs?
While you can clear the code with an OBDII scanner, it will likely return unless the underlying issue is fixed.
10. Who should repair the B1B13 code issue?
Airbag system repairs should be performed by a qualified mechanic or dealership technician due to the safety-critical nature of the components involved.
Discuss the causes and fixes for B1B13 OBDII Code
Code B1B13 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.