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Engine-Codes – Generic – B0055

B0055 Code - Second Row Right Seatbelt Sensor

Quick Answer

The B0055 code refers to an issue with the Second Row Right Seatbelt Sensor in the vehicle. Common causes include Faulty Second Row Right Seatbelt Sensor, Damaged wiring or connectors in the seatbelt sensor system, Loose connection in the sensor system. 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
B0055 indicates Second Row Right Seatbelt Sensor.
Common causes
Common causes include Faulty Second Row Right Seatbelt Sensor, Damaged wiring or connectors in the seatbelt sensor system, Loose connection in the sensor system.
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 08, 2024
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Code B0055 Description

The B0055 code refers to an issue with the Second Row Right Seatbelt Sensor in the vehicle. This sensor is responsible for detecting whether the seatbelt on the second row right side is properly fastened. When this sensor malfunctions or fails to register the seatbelt being buckled, it can have serious implications for the safety of the vehicle occupants.

OBDII Code B0055 - Second Row Right Seatbelt Sensor
B0055 Code - Second Row Right Seatbelt Sensor

Common Causes of B0055

  1. Faulty Second Row Right Seatbelt Sensor
  2. Damaged wiring or connectors in the seatbelt sensor system
  3. Loose connection in the sensor system
  4. Issues with the vehicle's computer system that reads sensor data

Symptoms of B0055

  1. Airbag warning light illuminated on the dashboard
  2. Seatbelt warning chime or light constantly on, even when seatbelt is fastened
  3. Inability to engage cruise control or other safety features that rely on seatbelt sensor data
  4. Diagnostic trouble code B0055 stored in the vehicle's computer system

How to Fix B0055

  1. Begin by disconnecting the vehicle's battery to prevent any electrical issues during the repair process.
  2. Inspect the Second Row Right Seatbelt Sensor and the surrounding wiring for any visible damage or loose connections.
  3. If the sensor appears to be faulty, it will need to be replaced with a new one.
  4. Ensure that all connections are secure and that the sensor is properly installed.
  5. Reconnect the vehicle's battery and clear the diagnostic trouble code from the system.

Cost to Fix B0055

The cost of repairing a Second Row Right Seatbelt Sensor issue can vary depending on the specific vehicle make and model, as well as the labor rates in your area. On average, replacing a seatbelt sensor can cost between $100 and $300 for parts and labor. It's important to consult with a trusted mechanic or dealership to get an accurate estimate for your particular vehicle. Additionally, diagnostic time and labor rates can impact the final cost, so it's best to inquire about these factors before proceeding with the repair.

Need more information about the B0055 code?

Need more information on how to fix the B0055 code? Get Access to Factory Service Manuals

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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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