AutoCodes – Scion – B1838 Scion

B1838 Scion Code - Short to Positive in Curtain Shield Squib Left Circuit

Quick Answer

The Curtain Shield Squib Left (LH) Circuit consists of the Center Airbag Sensor Assembly and the Curtain Shield Airbag Assembly Left (LH). Common causes include Faulty Curtain Shield Airbag Assembly Left (LH) (Curtain Shield Squib Left), Curtain Shield Airbag Assembly Left harness is open or shorted, Curtain Shield Airbag Assembly Left 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: B1838 Scion indicates Short to Positive in Curtain Shield Squib Left Circuit.
Common causes: Common causes include Faulty Curtain Shield Airbag Assembly Left (LH) (Curtain Shield Squib Left), Curtain Shield Airbag Assembly Left harness is open or shorted, Curtain Shield Airbag Assembly Left 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 656

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 02, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1838 Scion Description

The Curtain Shield Squib Left (LH) Circuit consists of the Center Airbag Sensor Assembly and the Curtain Shield Airbag Assembly Left (LH). The circuit signals the Supplemental Restraint System (SRS) to deploy when deployment conditions are met. The Diagnostic Trouble Code (DTC) is recorded when a malfunction is detected in the Curtain Shield Squib Left Circuit.

OBDII Code B1838 Scion - Short to Positive in Curtain Shield Squib Left Circuit - AutoCodes.com — B1838 Scion Code - Short to Positive in Curtain Shield Squib Left Circuit

What does this mean?

What are the Possible Causes of the DTC B1838 Scion?

Faulty Curtain Shield Airbag Assembly Left (LH) (Curtain Shield Squib Left)
Curtain Shield Airbag Assembly Left harness is open or shorted
Curtain Shield Airbag Assembly Left circuit poor electrical connection
Faulty Center Airbag Sensor Assembly

How to Fix the DTC B1838 Scion?

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 B1838 Scion 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 B1838 Scion code?

Need more information on how to fix the B1838 Scion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1838 Scion 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 B1838 Scion Code

1. What are the common symptoms of OBDII code B1838 Scion (Short to Positive in Curtain Shield Squib Left Circuit)?

- Common symptoms include the airbag warning light staying illuminated on the dashboard, loss of function in the left side curtain airbag, and potential issues with the vehicle's airbag system.

2. What causes the OBDII code B1838 Scion to appear?

- This code is typically triggered by a short circuit to positive in the curtain shield squib left circuit, which can be caused by damaged wiring, faulty connectors, or a malfunctioning airbag module.

3. How serious is the OBDII code B1838 Scion?

- This code is related to the vehicle's airbag system, so it is considered a serious issue that requires immediate attention. If left unresolved, it can compromise the effectiveness of the airbags in the event of a collision.

4. How can I diagnose the root cause of OBDII code B1838 Scion?

- Diagnosis involves inspecting the wiring, connectors, and components associated with the curtain shield squib left circuit, as well as using a diagnostic scanner to retrieve specific fault codes and data related to the issue.

5. Can I repair OBDII code B1838 Scion on my own?

- While some experienced DIYers may be able to address this issue, it is recommended to have a professional technician diagnose and repair the problem to ensure the airbag system is properly fixed and the vehicle remains safe to drive.

6. Is it safe to drive with the OBDII code B1838 Scion active?

- It is not advisable to drive with this code active, as it indicates a potential fault in the airbag system that may prevent the airbags from deploying correctly in case of an accident. It's best to have the issue resolved as soon as possible.

7. How much does it typically cost to repair OBDII code B1838 Scion?

- The cost of repair can vary depending on the root cause of the issue, the labor rates of the repair shop, and the parts needed. It's recommended to obtain a few quotes from different mechanics to compare costs.

8. Can resetting the OBDII code B1838 Scion make it go away permanently?

- Simply resetting the code without addressing the underlying issue will not make it go away permanently. The root cause of the problem must be diagnosed and repaired to prevent the code from reappearing.

9. What are some tips to prevent OBDII code B1838 Scion from occurring?

- To prevent this code from appearing, it's important to regularly inspect the airbag system components, avoid tampering with the wiring, and address any warning lights related to the airbag system promptly.

10. How long does it typically take to repair OBDII code B1838 Scion?

- The repair time can vary depending on the extent of the issue and the availability of parts. In some cases, it can be resolved within a few hours, but more complex problems may require more time for diagnosis and repair.