AutoCodesScion – B2055 Scion

B2055 Scion Code - Radar Sensor Malfunction

Quick Answer

This Diagnostic Trouble Code (DTC) is stored when there is a malfunction in the communication from the millimeter wave radar sensor. Common causes include Faulty Radar Sensor, Radar Sensor harness is open or shorted, Radar Sensor 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
B2055 Scion indicates Radar Sensor Malfunction.
Common causes
Common causes include Faulty Radar Sensor, Radar Sensor harness is open or shorted, Radar Sensor 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 538
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 15, 2019
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Code B2055 Scion Description

This Diagnostic Trouble Code (DTC) is stored when there is a malfunction in the communication from the millimeter wave radar sensor. This DTC is also stored when the vehicle information sent from the millimeter wave radar sensor is abnormal. In these cases, perform initialization so that the millimeter wave radar sensor recognizes the vehicle information. The Seat Belt Control ECU sets the OBDII code if there is a malfunction in the millimeter wave radar sensor or there is a problem with the initialization.
OBDII Code B2055 Scion - Radar Sensor Malfunction - AutoCodes.com
B2055 Scion Code - Radar Sensor Malfunction

What are the Possible Causes of the DTC B2055 Scion?

  • Faulty Radar Sensor
  • Radar Sensor harness is open or shorted
  • Radar Sensor circuit poor electrical connection
  • Faulty Seat Belt Control ECU
  • Faulty Distance Control ECU

How to Fix the DTC B2055 Scion?

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 B2055 Scion 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 B2055 Scion code?

Need more information on how to fix the B2055 Scion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2055 Scion 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 B2055 Scion Code

1. What does the OBDII code B2055 mean on a Scion?

The code B2055 indicates a "Radar Sensor Malfunction," meaning the radar sensor used in driver-assistance systems is not functioning properly.

2. What are the common symptoms of the B2055 code in a Scion?

Symptoms may include a disabled adaptive cruise control, warning lights on the dashboard, or alerts about pre-collision or radar systems.

3. What causes the B2055 Radar Sensor Malfunction code?

Common causes include misaligned radar sensors, physical damage, dirt or debris blocking the sensor, or electrical issues like faulty wiring or connectors.

4. Can a dirty radar sensor cause the B2055 code?

Yes, dirt, ice, or debris obstructing the radar sensor can trigger the B2055 code by interfering with its ability to function properly.

5. How do I fix the B2055 code on my Scion?

First, clean the radar sensor area. If the issue persists, inspect the sensor for damage, check the wiring and connectors, and consider recalibrating or replacing the sensor if necessary.

6. Can I drive my Scion with the B2055 code active?

You can drive the vehicle, but features like adaptive cruise control or pre-collision braking may not work, which could compromise safety.

7. How is the B2055 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the radar sensor for physical damage or misalignment, and test the wiring and connections.

8. Does the radar sensor need recalibration after fixing the B2055 code?

Yes, if the radar sensor was replaced or realigned, recalibration is often necessary to ensure proper system functionality.

9. How much does it cost to fix the B2055 Radar Sensor Malfunction?

Repair costs vary but can range from $150 for cleaning or minor adjustments to over $1,000 for sensor replacement and recalibration.

10. Can a software update resolve the B2055 code on a Scion?

In some cases, a software update from the manufacturer may address communication issues with the radar sensor, but this depends on the specific vehicle model and problem.

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