B3855 Chevrolet Code - Rollover Sensor Performance
Quick Answer
The B3855 Chevrolet code refers to an issue with the rollover sensor's performance in the vehicle. Common causes include Faulty rollover sensor, Damaged wiring or connections related to the rollover sensor, Calibration issues with the sensor. 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
- B3855 Chevrolet indicates Rollover Sensor Performance.
- Common causes
- Common causes include Faulty rollover sensor, Damaged wiring or connections related to the rollover sensor, Calibration issues with the sensor.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B3855 Chevrolet Description
The B3855 Chevrolet code refers to an issue with the rollover sensor's performance in the vehicle. The rollover sensor is a crucial component of the vehicle's safety system, designed to detect when the vehicle is at risk of rolling over and trigger the deployment of the airbags and seat belt pretensioners to protect the occupants. When this sensor malfunctions or fails to perform as intended, it can compromise the vehicle's safety features and put the occupants at risk in the event of a rollover accident.
Common Causes of B3855 Chevrolet
- Faulty rollover sensor.
- Damaged wiring or connections related to the rollover sensor.
- Calibration issues with the sensor.
- Impact or damage to the sensor from a previous accident.
- Corrosion or moisture damage affecting the sensor's performance.
Symptoms of B3855 Chevrolet
- Airbag warning light illuminated on the dashboard.
- Inconsistent or delayed deployment of airbags in a rollover situation.
- Seat belt pretensioners not engaging when needed.
- Erratic or unpredictable behavior of the safety systems during normal driving conditions.
How to Fix B3855 Chevrolet
- Diagnose the issue by using a diagnostic scanner to retrieve the specific fault code (B3855 Chevrolet) and identify the underlying cause of the problem.
- Inspect the wiring and connections related to the rollover sensor for any damage or corrosion, and repair or replace as needed.
- Test the rollover sensor's functionality and calibration to ensure it is operating correctly.
- If the sensor is found to be faulty, replace it with a new sensor from the manufacturer to restore proper operation.
- Clear the fault code from the vehicle's system and perform a test drive to ensure the issue has been resolved and the safety systems are functioning as intended.
Cost to Fix B3855 Chevrolet
The typical repair costs for addressing the B3855 Chevrolet code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost of replacing a faulty rollover sensor and addressing related wiring or calibration issues can range from $200 to $500, including parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary significantly, so it's advisable to obtain a detailed estimate from a qualified technician before proceeding with the repair.
Need more information about the B3855 Chevrolet code?
Need more information on how to fix the B3855 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B3855 Chevrolet 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.
Frequently Asked Questions about B3855 Chevrolet Code
1. What are the common symptoms of OBDII code B3855 Chevrolet (Rollover Sensor Performance)?
The common symptoms of code B3855 include the illumination of the airbag warning light on the dashboard and a potential loss of functionality in the vehicle's rollover sensor.
2. What are the possible causes of OBDII code B3855 Chevrolet?
Possible causes of code B3855 include a faulty rollover sensor, damaged wiring or connectors related to the sensor, or issues with the vehicle's internal computer system.
3. How serious is OBDII code B3855 Chevrolet?
Code B3855 is considered a moderate issue that can impact the proper functioning of the vehicle's safety systems, particularly the rollover sensor. It is recommended to address this code promptly to ensure the safety features are working correctly.
4. Can I continue driving with OBDII code B3855 Chevrolet present?
While it may be possible to continue driving with this code present, it is not recommended due to the potential impact on the vehicle's safety systems. It is advisable to address the underlying issue as soon as possible.
5. How do I diagnose OBDII code B3855 Chevrolet?
Diagnosing code B3855 typically involves using a diagnostic scanner to retrieve the code, checking the rollover sensor and related components for any visible damage, and testing the wiring and connectors for proper continuity.
6. What is the typical repair for OBDII code B3855 Chevrolet?
The typical repair for code B3855 involves replacing the faulty rollover sensor, repairing any damaged wiring or connectors, and clearing the code from the vehicle's computer system.
7. Can I reset OBDII code B3855 Chevrolet without fixing the underlying issue?
While it is possible to clear the code temporarily without fixing the underlying problem, the code is likely to reappear if the issue is not addressed. It is best to repair the problem to prevent further issues.
8. Are there any DIY tips for fixing OBDII code B3855 Chevrolet?
DIY tips for addressing code B3855 include checking the sensor and its connections for any visible damage, ensuring proper wiring continuity, and consulting the vehicle's repair manual for specific troubleshooting steps.
9. How much does it cost to repair OBDII code B3855 Chevrolet?
The cost of repairing code B3855 can vary depending on the extent of the issue, the price of parts needed for replacement, and labor costs. It is recommended to obtain quotes from professional mechanics for an accurate estimate.
10. Can a mechanic help me fix OBDII code B3855 Chevrolet?
Yes, a qualified mechanic with experience in handling airbag and safety system issues can assist in diagnosing and repairing OBDII code B3855 Chevrolet to ensure the vehicle's safety features are functioning correctly.
Discuss the causes and fixes for B3855 Chevrolet OBDII Code
Code B3855 Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.