B0138 Scion Code - Short To Battery Left Seat Belt Pretensioner Squib Circuit
Quick Answer
The B0138 Scion diagnostic trouble code indicates a problem with the left seat belt pretensioner squib circuit. Common causes include Damaged wiring or connectors in the left seat belt pretensioner squib circuit, Faulty seat belt pretensioner squib, Corrosion or poor connections in the circuit. 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
- B0138 Scion indicates Short To Battery Left Seat Belt Pretensioner Squib Circuit.
- Common causes
- Common causes include Damaged wiring or connectors in the left seat belt pretensioner squib circuit, Faulty seat belt pretensioner squib, Corrosion or poor connections in the circuit.
- 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 B0138 Scion Description
The B0138 Scion diagnostic trouble code indicates a problem with the left seat belt pretensioner squib circuit. In modern vehicles, seat belt pretensioners are safety features designed to retract the seat belt in the event of a collision or sudden deceleration, reducing the slack in the belt and holding the occupant securely in place. The squib is a component that initiates this retraction process by generating a small explosion that tightens the seat belt.
Common Causes of B0138 Scion
- Damaged wiring or connectors in the left seat belt pretensioner squib circuit
- Faulty seat belt pretensioner squib
- Corrosion or poor connections in the circuit
- Electrical issues in the vehicle's wiring system
- Impact or collision that damaged the pretensioner system
Symptoms of B0138 Scion
- Airbag warning light illuminated on the dashboard
- Seat belt pretensioner not retracting properly
- Seat belt warning chime or indicator activated
- Inoperative airbag system
How to Fix B0138 Scion
- Begin by diagnosing the specific cause of the short to battery in the left seat belt pretensioner squib circuit using a diagnostic scanner to retrieve the trouble codes and pinpoint the issue.
- Inspect the wiring, connectors, and components in the circuit for any visible damage or corrosion. Repair or replace any damaged parts as necessary.
- Test the seat belt pretensioner squib to ensure it is functioning correctly. Replace the squib if it is found to be faulty.
- Clear the trouble codes from the vehicle's computer using the diagnostic scanner.
- Perform a test drive to verify that the issue has been resolved and that the airbag system is functioning properly.
Cost to Fix B0138 Scion
The cost of repairing a short to battery in the left seat belt pretensioner squib circuit can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair for this issue can range from $200 to $500, including parts and labor. It is important to note that labor rates at auto repair shops can vary, so it is advisable to get quotes from multiple shops to ensure a competitive price. Additionally, the cost of diagnosis time and any additional repairs that may be needed should be factored into the overall estimate.
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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.
Frequently Asked Questions about B0138 Scion Code
1. What are the common symptoms of OBDII code B0138 in a Scion related to the left seat belt pretensioner squib circuit?
The common symptoms include the airbag warning light illuminating on the dashboard and possible non-deployment of the left seat belt pretensioner in the event of a collision.
2. What does the OBDII code B0138 in a Scion indicating a short to battery in the left seat belt pretensioner squib circuit mean?
This code indicates that there is an electrical short to the battery in the circuit responsible for the left seat belt pretensioner in the vehicle.
3. What are the potential causes of OBDII code B0138 in a Scion?
Possible causes of this code include damaged wiring in the left seat belt pretensioner circuit, a faulty seat belt pretensioner squib, or a malfunctioning airbag control module.
4. How can I diagnose and repair OBDII code B0138 in my Scion related to the left seat belt pretensioner squib circuit?
Diagnosis involves inspecting the wiring, connectors, and components in the left seat belt pretensioner circuit. Repair may involve repairing or replacing damaged wiring, replacing the seat belt pretensioner squib, or resetting the airbag control module.
5. Is it safe to drive my Scion with OBDII code B0138 related to the left seat belt pretensioner squib circuit?
It is not advisable to drive the vehicle with this code present, as it may affect the proper functioning of the left seat belt pretensioner in the event of an accident. Prompt diagnosis and repair are recommended.
6. Can I reset the OBDII code B0138 in my Scion without fixing the underlying issue with the left seat belt pretensioner squib circuit?
While you can clear the code using an OBDII scanner, it is important to address the root cause of the issue to ensure the safety systems in your vehicle are functioning correctly.
7. How much does it typically cost to repair OBDII code B0138 in a Scion related to the left seat belt pretensioner squib circuit?
The cost of repair can vary depending on the specific issue causing the code and the labor rates in your area. It is recommended to obtain a diagnosis from a qualified mechanic for an accurate estimate.
8. Can I fix OBDII code B0138 related to the left seat belt pretensioner squib circuit in my Scion myself?
While some DIY enthusiasts may be able to diagnose and repair this issue, dealing with airbag systems can be complex and dangerous. It is recommended to seek professional help to ensure the repair is done correctly and safely.
9. Will OBDII code B0138 in a Scion reset on its own after the issue with the left seat belt pretensioner squib circuit is fixed?
After repairing the issue and clearing the code, the OBDII system will need to go through a drive cycle to ensure the problem does not reoccur. If the repair is successful, the code should not return.
10. Are there any recalls or technical service bulletins (TSBs) related to OBDII code B0138 in Scion vehicles?
It is recommended to check with the manufacturer or a dealership for any recalls or TSBs related to this specific OBDII code in Scion vehicles, as they may provide additional guidance or coverage for the repair.
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