Engine-CodesRAM – B2255 RAM

B2255 RAM Code - Occupant Restrain Controller Roll Over Feature Disable

Quick Answer

The B2255 diagnostic trouble code (DTC) refers to the Occupant Restrain Controller Roll Over Feature Disable. Common causes include Faulty occupant restrain control module, Wiring issues or loose connections in the occupant restrain system, Software malfunction in the vehicle's computer 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
B2255 RAM indicates Occupant Restrain Controller Roll Over Feature Disable.
Common causes
Common causes include Faulty occupant restrain control module, Wiring issues or loose connections in the occupant restrain system, Software malfunction in the vehicle's computer 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.
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B2255 RAM Description

The B2255 diagnostic trouble code (DTC) refers to the Occupant Restrain Controller Roll Over Feature Disable. This code indicates a problem with the vehicle's occupant restraint system, specifically related to the roll-over feature being disabled. The occupant restrain system is a crucial safety component in modern vehicles, designed to protect occupants in the event of a collision or rollover. The roll-over feature is particularly important as it helps to deploy the necessary safety measures, such as airbags and seat belt pretensioners, in the event of a rollover accident.

OBDII Code B2255 RAM - Occupant Restrain Controller Roll Over Feature Disable
B2255 RAM Code - Occupant Restrain Controller Roll Over Feature Disable

Common Causes of B2255 RAM

  1. Faulty occupant restrain control module.
  2. Wiring issues or loose connections in the occupant restrain system.
  3. Software malfunction in the vehicle's computer system.
  4. Impact or damage to the vehicle that triggered the roll-over feature disable.
  5. Corrosion or water damage affecting the occupant restrain system components.

Symptoms of B2255 RAM

  1. Airbag warning light illuminated on the dashboard.
  2. Inability to activate or deactivate the passenger airbag.
  3. Seat belt warning light stays on.
  4. Inconsistent deployment of airbags in a crash.
  5. Vehicle may fail safety inspections due to disabled roll-over feature.

How to Fix B2255 RAM

  1. Begin by conducting a thorough inspection of the occupant restrain system, checking for any visible damage or loose connections.
  2. Use a diagnostic scan tool to retrieve the specific fault codes and identify the exact cause of the roll-over feature disable.
  3. If the issue is related to a faulty occupant restrain control module, it may need to be replaced with a new one.
  4. Repair any damaged wiring or connections in the occupant restrain system to ensure proper functionality.
  5. Clear the fault codes from the vehicle's computer system and perform a test drive to verify that the roll-over feature is now enabled.

Cost to Fix B2255 RAM

The cost of repairing the Occupant Restrain Controller Roll Over Feature Disable issue can vary depending on the specific cause of the problem and the extent of the repairs needed. On average, the repair costs for this type of issue can range from $200 to $500, including parts and labor. However, it's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Additionally, the cost of parts and the complexity of the repair can also impact the overall cost. It's recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your 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.

Frequently Asked Questions about B2255 RAM Code

1. What does OBDII code B2255 in a RAM vehicle mean?

Code B2255 indicates an issue with the Occupant Restraint Controller (ORC) related to the Roll Over Feature being disabled or malfunctioning.

2. What are the common symptoms of the B2255 code?

Symptoms may include the airbag warning light being illuminated, the rollover protection feature not functioning, and potential failure of related safety systems during a rollover event.

3. What causes the B2255 code to appear in a RAM vehicle?

This code can be triggered by a faulty Occupant Restraint Controller, software issues, damaged wiring or connectors, or a disabled rollover feature due to a configuration error.

4. Can I drive my vehicle with the B2255 code active?

While the vehicle may still be driveable, the airbag and rollover safety features may be compromised, posing a safety risk in the event of an accident.

5. How is the B2255 code diagnosed?

A technician will use an OBDII scanner to read the code, inspect the Occupant Restraint Controller and its wiring, and check for any software or configuration issues.

6. What are some common fixes for the B2255 code?

Repairs could include reprogramming the ORC, repairing or replacing damaged wiring or connectors, or replacing the Occupant Restraint Controller if it is faulty.

7. Can a software update resolve the B2255 code?

Yes, in some cases, a software update or reprogramming of the Occupant Restraint Controller might resolve the issue.

8. How much does it cost to repair a B2255 code?

The cost varies depending on the exact cause, ranging from a simple reset or software update (around $100) to replacing the ORC module, which could cost $500 or more.

9. Is the B2255 code related to the airbag system?

Yes, the B2255 code directly affects the airbag system, specifically the rollover protection feature, which is part of the overall safety system.

10. Can I reset the B2255 code without fixing the issue?

While the code can be cleared with an OBDII scanner, it will likely return if the underlying issue is not resolved. Ignoring it can compromise vehicle safety.

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