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B1C13 Jeep Code - Driver Active Headrest Control Circuit High

Quick Answer

The B1C13 code for Jeep indicates a problem with the driver active headrest control circuit being too high. Common causes include Faulty wiring in the control circuit, Malfunctioning sensor in the active headrest system, Defective control module for the 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 Jeep indicates Driver Active Headrest Control Circuit High.
Common causes
Common causes include Faulty wiring in the control circuit, Malfunctioning sensor in the active headrest system, Defective control module for the 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 11, 2024
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Code B1C13 Jeep Description

The B1C13 code for Jeep indicates a problem with the driver active headrest control circuit being too high. Active headrests are a safety feature designed to reduce the risk of whiplash in the event of a rear-end collision. The control circuit is responsible for deploying the headrest in response to a collision, providing additional support and protection for the driver's head and neck.

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

Common Causes of B1C13 Jeep

  1. Faulty wiring in the control circuit
  2. Malfunctioning sensor in the active headrest system
  3. Defective control module for the headrest
  4. Corrosion or damage to electrical connections
  5. Impact or damage to the active headrest system in a collision

Symptoms of B1C13 Jeep

  1. Illumination of the airbag warning light on the dashboard
  2. Inability to adjust the active headrest
  3. Erratic or unintended deployment of the headrest
  4. Loss of functionality in the active headrest system
  5. Diagnostic trouble code (DTC) B1C13 stored in the vehicle's system

How to Fix B1C13 Jeep

  1. Begin by conducting a thorough inspection of the active headrest system to identify the root cause of the high voltage reading.
  2. Check the wiring and electrical connections for any signs of damage, corrosion, or loose connections. Repair or replace any faulty wiring as needed.
  3. Test the sensor and control module for proper functionality. Replace any components that are not working correctly.
  4. Clear the diagnostic trouble code from the system and reset the active headrest control module.
  5. Perform a test drive to ensure that the active headrest system is functioning properly and that the code does not reappear.

Cost to Fix B1C13 Jeep

The cost of repairing a B1C13 code in a Jeep can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the repair costs for this type of problem can range from $150 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, and additional diagnostic time may be needed to pinpoint the exact cause of the issue. It's recommended to consult with a trusted mechanic or dealership for a more accurate cost estimate based on the vehicle's make and model.

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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.

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