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B1C19 Dodge Code - Passenger Active Headrest Control Circuit High

Quick Answer

The B1C19 code for Dodge vehicles specifically relates to the Passenger Active Headrest Control Circuit being detected as too high. Common causes include Faulty sensors in the active headrest system, Damaged wiring or connectors in the control circuit, A malfunctioning control module responsible for activating the headrest motors. 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
B1C19 Dodge indicates Passenger Active Headrest Control Circuit High.
Common causes
Common causes include Faulty sensors in the active headrest system, Damaged wiring or connectors in the control circuit, A malfunctioning control module responsible for activating the headrest motors.
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 09, 2024
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Code B1C19 Dodge Description

The B1C19 code for Dodge vehicles specifically relates to the Passenger Active Headrest Control Circuit being detected as too high. This active headrest system is designed to move the headrest forward in the event of a rear-end collision, providing additional support to the passenger's head and reducing the risk of whiplash injuries. When this code is triggered, it means that the control circuit responsible for this safety feature is experiencing an electrical issue that is causing it to register as high resistance.

OBDII Code B1C19 Dodge - Passenger Active Headrest Control Circuit High
B1C19 Dodge Code - Passenger Active Headrest Control Circuit High

Common Causes of B1C19 Dodge

  1. Faulty sensors in the active headrest system.
  2. Damaged wiring or connectors in the control circuit.
  3. A malfunctioning control module responsible for activating the headrest motors.
  4. Corrosion or moisture ingress in the electrical components of the system.
  5. Physical damage to the active headrest mechanism from a previous collision or impact.

Symptoms of B1C19 Dodge

  1. Illumination of the airbag warning light on the dashboard.
  2. Inability to adjust the position of the passenger active headrest.
  3. Erratic or unexpected movement of the active headrest during driving.
  4. Failure of the active headrest system to deploy in a simulated collision test.
  5. Diagnostic trouble code B1C19 stored in the vehicle's onboard computer system.

How to Fix B1C19 Dodge

  1. Begin by conducting a thorough visual inspection of the active headrest system, checking for any visible damage or loose connections.
  2. Use a multimeter to test the resistance of the control circuit and identify any high resistance readings that may indicate a fault.
  3. Replace any faulty sensors, wiring, or connectors in the active headrest control circuit.
  4. If the issue persists, replace the control module responsible for activating the headrest motors.
  5. Clear the diagnostic trouble code from the vehicle's computer system and perform a test to ensure that the active headrest system functions correctly.

Cost to Fix B1C19 Dodge

The cost of repairing a B1C19 code for a Dodge vehicle can vary depending on the specific components that need to be replaced and the labor rates charged by the auto repair shop. In general, the parts required for this repair could range from $100 to $500, while the labor costs could add another $100 to $300 to the total bill. This brings the total estimated repair cost to approximately $200 to $800.

When is the Code Detected?

This code will set, if the Occupant Restraint Controller (ORC) detects High voltage on the Active Head Restraint 1st Row Passenger Signal circuit.

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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 B1C19 Dodge Code

1. What are the common symptoms of OBDII code B1C19 in a Dodge related to the Passenger Active Headrest Control Circuit High?

The common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the passenger active headrest system.

2. What are the possible causes of OBDII code B1C19 in a Dodge indicating a Passenger Active Headrest Control Circuit High?

The code B1C19 typically indicates a fault in the wiring, connectors, or components of the passenger active headrest control circuit, such as a short circuit or high resistance.

3. How can I diagnose the OBDII code B1C19 in my Dodge for the Passenger Active Headrest Control Circuit High?

Diagnosing the code involves using a scan tool to retrieve and analyze the specific fault code, inspecting the wiring and connectors for any visible damage, and testing the components of the passenger active headrest system.

4. Can I still drive my Dodge with the OBDII code B1C19 related to the Passenger Active Headrest Control Circuit High?

It is generally safe to drive the vehicle with this code, but it is recommended to have the issue diagnosed and repaired promptly to ensure the proper functioning of the passenger active headrest system.

5. What are some repair tips for addressing the OBDII code B1C19 in a Dodge with a Passenger Active Headrest Control Circuit High?

Repair tips may include checking and repairing any damaged wiring or connectors, replacing faulty components in the passenger active headrest system, and clearing the fault code with a scan tool after completing repairs.

6. Is it possible to reset the OBDII code B1C19 related to the Passenger Active Headrest Control Circuit High without fixing the underlying issue?

While you can clear the fault code temporarily with a scan tool, it is important to address the root cause of the code to prevent it from reoccurring and ensure the proper function of the passenger active headrest system.

7. How much does it typically cost to repair the OBDII code B1C19 in a Dodge caused by a Passenger Active Headrest Control Circuit High?

The repair costs can vary depending on the specific issue causing the code, the labor rates in your area, and whether any components need to be replaced. It is recommended to consult a professional mechanic for an accurate estimate.

8. Are there any recalls or technical service bulletins (TSBs) related to the OBDII code B1C19 in Dodge vehicles with a Passenger Active Headrest Control Circuit High?

It is advisable to check with Dodge or a certified dealership for any recalls or TSBs related to this specific OBDII code to see if there are any known issues or recommended repair procedures provided by the manufacturer.

9. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code B1C19 in a Dodge related to a Passenger Active Headrest Control Circuit High?

Depending on the specific cause of the code, some DIY enthusiasts may be able to diagnose and repair the issue themselves by following repair guides or manuals. However, complex electrical issues may require professional assistance.

10. How often does the OBDII code B1C19 related to the Passenger Active Headrest Control Circuit High occur in Dodge vehicles?

The occurrence of this specific OBDII code can vary among Dodge vehicles, but it is not uncommon in models equipped with a passenger active headrest system. Regular maintenance and proper care of the vehicle can help prevent such issues.

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