AutoCodes – Jeep – B1C38 Jeep

B1C38 Jeep Code - 1st Row Driver Retractor Tensioner Circuit Low

Quick Answer

When powered, the Occupant Restraint Controller (ORC) sends a test current to the squibs to verify the integrity of the squib and wiring. Common causes include Faulty 1st Row Driver Retractor Tensioner, 1st Row Driver Retractor Tensioner harness is open or shorted, 1st Row Driver Retractor Tensioner 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: B1C38 Jeep indicates 1st Row Driver Retractor Tensioner Circuit Low.
Common causes: Common causes include Faulty 1st Row Driver Retractor Tensioner, 1st Row Driver Retractor Tensioner harness is open or shorted, 1st Row Driver Retractor Tensioner 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 1,145

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 Aug 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1C38 Jeep Description

When powered, the Occupant Restraint Controller (ORC) sends a test current to the squibs to verify the integrity of the squib and wiring. These circuits are maintained in a floating configuration at the module (connected to neither power nor ground) as protection against inadvertent deployment. The use of the Supplemental Restraints System (SRS) Load Tool Jumpers and the SRS Load Tool Adapter provides a test point as well as a method for opening the shorting bar connections within the harness connector. The ORC sends out a 40 mA diagnostic current on each squib voltage supply circuit at power up and every 500 ms thereafter while the ignition is in on. The module then monitors the return wire to determine the state of the circuit.

OBDII Code B1C38 Jeep - 1st Row Driver Retractor Tensioner Circuit Low - AutoCodes.com — B1C38 Jeep Code - 1st Row Driver Retractor Tensioner Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1C38 Jeep?

Faulty 1st Row Driver Retractor Tensioner
1st Row Driver Retractor Tensioner harness is open or shorted
1st Row Driver Retractor Tensioner circuit poor electrical connection
Faulty Occupant Restraint Controller (ORC)

How to Fix the DTC B1C38 Jeep?

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 B1C38 Jeep 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 B1C38 Jeep code?

Need more information on how to fix the B1C38 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1C38 Jeep 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 B1C38 Jeep Code

1. What are the common symptoms of OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low)?

The common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the driver's seatbelt tensioner system.

2. What are the possible causes of OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low)?

Possible causes may include damaged wiring or connectors in the driver's seatbelt tensioner circuit, a faulty retractor tensioner assembly, or a malfunctioning control module.

3. How can I diagnose the issue related to OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low)?

Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, inspecting the wiring and connectors in the driver's seatbelt tensioner system, and testing the components for proper functionality.

4. Is it safe to drive with OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low) active?

It is not recommended to drive with this code active, as it indicates a potential issue with the driver's seatbelt tensioner system, which is an important safety component in the event of a collision.

5. How can I repair OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low)?

Repair options may include repairing or replacing damaged wiring and connectors, replacing the retractor tensioner assembly if faulty, or reprogramming the control module as necessary.

6. Can I reset OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low) with a simple reset tool?

While clearing the fault code with an OBDII scanner can temporarily remove the warning light, it is essential to address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low)?

The cost of repair can vary depending on the exact cause of the issue, the parts needed for replacement, and the labor charges. It's advisable to consult a professional mechanic for an accurate estimate.

8. Are there any safety precautions I should take when dealing with OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low)?

When working on components related to the airbag system, it is crucial to disconnect the vehicle's battery and wait for a few minutes before starting any repairs to avoid accidental deployment of the airbags.

9. Can OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low) affect the overall functionality of the vehicle?

While this code specifically relates to the driver's seatbelt tensioner system, addressing the issue promptly is crucial to ensure the overall safety of the vehicle's occupants in the event of an accident.

10. Will ignoring OBDII code B1C38 Jeep (1st Row Driver Retractor Tensioner Circuit Low) lead to further damage?

Continuing to drive with this code ignored may compromise the effectiveness of the driver's seatbelt tensioner system, potentially increasing the risk of injury in the event of a collision. It is advisable to address the issue promptly.