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B1C13 Chrysler Code - Driver Active Headrest Control Circuit High

Quick Answer

The B1C13 Chrysler diagnostic trouble code (DTC) specifically refers to an issue with the Driver Active Headrest Control Circuit being detected as too high. Common causes include Short circuit in the driver's active headrest control circuit, Faulty sensor responsible for detecting a rear-end collision, Damaged wiring harness connecting the control module to the active headrest. 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
B1C13 Chrysler indicates Driver Active Headrest Control Circuit High.
Common causes
Common causes include Short circuit in the driver's active headrest control circuit, Faulty sensor responsible for detecting a rear-end collision, Damaged wiring harness connecting the control module to the active headrest.
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 15, 2024
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Code B1C13 Chrysler Description

The B1C13 Chrysler diagnostic trouble code (DTC) specifically refers to an issue with the Driver Active Headrest Control Circuit being detected as too high. In modern vehicles, active headrests are designed to move forward and upward in the event of a rear-end collision to reduce the risk of whiplash injuries to the occupants. The control circuit for the driver's active headrest is responsible for monitoring and activating this safety feature.

OBDII Code B1C13 Chrysler - Driver Active Headrest Control Circuit High
B1C13 Chrysler Code - Driver Active Headrest Control Circuit High

Common Causes of B1C13 Chrysler

  1. Short circuit in the driver's active headrest control circuit.
  2. Faulty sensor responsible for detecting a rear-end collision.
  3. Damaged wiring harness connecting the control module to the active headrest.
  4. Malfunctioning control module that regulates the movement of the active headrest.
  5. Corrosion or poor connections in the electrical components of the circuit.

Symptoms of B1C13 Chrysler

  1. Illumination of the airbag warning light on the dashboard.
  2. Inability of the driver's active headrest to move forward or upward during a rear-end collision.
  3. Loss of functionality in the driver's active headrest control system.
  4. Possible triggering of other related DTCs in the vehicle's system.

How to Fix B1C13 Chrysler

  1. Begin by conducting a thorough visual inspection of the wiring harness and connectors associated with the driver's active headrest control circuit.
  2. Use a multimeter to test the voltage levels in the circuit and identify any areas where the voltage is too high.
  3. Check the sensor responsible for detecting rear-end collisions to ensure it is functioning correctly.
  4. If no visible issues are found, consider replacing the control module for the active headrest.
  5. Clear the DTC from the vehicle's system using a diagnostic scanner after completing the repair process.

Cost to Fix B1C13 Chrysler

The typical repair costs for addressing the B1C13 Chrysler code can vary depending on the specific cause of the issue. In general, replacing a faulty sensor or repairing a damaged wiring harness may cost between $100 to $300. However, if the control module needs to be replaced, the cost could range from $200 to $500 or more. Labor costs at auto repair shops typically range from $80 to $150 per hour, but rates may vary based on location and the shop's hourly rate. It's recommended to consult with a professional mechanic to get an accurate estimate for the repair.

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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.

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 B1C13 Chrysler Code

1. What are the common symptoms of OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High?

The common symptoms include illuminated airbag warning light on the dashboard, inactive or malfunctioning driver active headrest, and possible diagnostic trouble codes related to the airbag system.

2. What typically causes the OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High?

This code is usually triggered by a high voltage condition in the driver active headrest control circuit, which can be caused by wiring issues, faulty components, or a malfunction in the headrest control module.

3. How can I diagnose the OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High?

Diagnosis involves using a diagnostic scanner to retrieve the specific fault code, inspecting the wiring harness for any visible damage or corrosion, and testing the headrest control module and related components for proper functionality.

4. Can I still drive my vehicle with the OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High?

While the vehicle may still be operational, it is not recommended to drive with an active airbag system fault as it may compromise the safety features of the vehicle. It is advised to address the issue promptly.

5. What are some possible repair tips for fixing the OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High?

Repair tips may include repairing or replacing damaged wiring, checking and resetting the headrest control module, ensuring all connections are secure, and clearing the fault code with a diagnostic scanner after the repair.

6. Is it necessary to visit a dealership or can I fix the OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High myself?

Depending on your level of automotive repair expertise and access to the necessary tools, you may be able to address this issue yourself. However, if you are unsure or unfamiliar with airbag system repairs, it is recommended to seek professional help to ensure proper diagnosis and repair.

7. Are there any safety precautions I should take when working on the OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High?

When working on the airbag system or related components, it is crucial to disconnect the vehicle's battery, wait for the capacitors to discharge, and follow proper safety procedures outlined in the vehicle's service manual to prevent accidental airbag deployment.

8. Can the OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High be intermittent or permanent?

This code can manifest as either intermittent or permanent, depending on the underlying cause. It is essential to address the issue even if it appears intermittently to ensure the proper functioning of the airbag system.

9. Will fixing the OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High require specialized tools or equipment?

While basic tools may be sufficient for diagnosing and repairing wiring issues, specialized diagnostic equipment may be necessary to reset the fault code and ensure the proper functioning of the airbag system after the repair.

10. How long does it typically take to repair the OBDII code B1C13 Chrysler - Driver Active Headrest Control Circuit High?

The repair time can vary depending on the extent of the issue and the availability of parts. In general, diagnosing and fixing this code may take a few hours to a full day, depending on the complexity of the repair needed.

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