B058C - Understanding DTC B058C: Common in 2015-2018 Honda Accord and Other Models

Quick Answer

B058C means: B058C indicates a fault in the driver's seat position sensor circuit.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with B058C? Immediate attention is required to ensure airbag safety.

Common Questions

What does B058C mean and how does it affect my car?

The B058C code indicates an issue with the driver's seat position sensor, which is crucial for ensuring proper airbag deployment in the event of an accident. If this code is present, it means that the sensor may not be functioning properly, potentially compromising passenger safety.

What are the most common causes of B058C and how much does it cost to fix?

Common causes include a faulty seat position sensor, damaged wiring, or issues with the power seat control module. Repair costs can range from $150 to $600 depending on the specific issue and parts required.

Can I drive my car with B058C or should I stop immediately?

While it may be possible to drive your vehicle with the B058C code, it is not recommended. This code can affect airbag deployment, posing a safety risk. It's best to have the issue diagnosed and repaired as soon as possible.

How can I diagnose B058C myself using GeekOBD APP?

To diagnose B058C using the GeekOBD APP, connect the app to your vehicle's OBD2 port, retrieve diagnostic trouble codes, and review the freeze frame data to understand when the code occurred. This will help you pinpoint any issues with the seat adjustment system.

What vehicles are most commonly affected by B058C?

Commonly affected vehicles include the 2015-2018 Honda Accord, 2016-2019 Toyota Camry, and various models from Ford and Chevrolet from those years. Always check for updates or recalls related to airbag systems for your specific model.

How can I prevent B058C from happening again?

Regularly inspect the seat adjustment wiring and connectors for wear and tear, especially if you frequently adjust the seat. Additionally, keep the area around the seat clean and dry to prevent moisture-related issues.

What is B058C?

The B058C diagnostic trouble code (DTC) indicates an issue with the Driver Seat Position Sensor Circuit, particularly relating to the communication between the power seat control module and the seat position sensor. This sensor determines the position of the driver's seat and is crucial for ensuring that airbag deployment is optimized based on the driver's seating position. When this code is triggered, it may prevent the airbag system from functioning correctly, potentially compromising passenger safety. Vehicle owners may notice that the seat adjustment functions may not work correctly or that the airbag warning light is illuminated on the dashboard. Ignoring this code can lead to safety risks, particularly in the event of an accident where proper airbag deployment is critical. Therefore, addressing the B058C code promptly is essential to ensure vehicle safety and compliance with safety regulations.

System: B - Body (Airbags, Lighting, Security, Climate Control)

Symptoms

Common symptoms when B058C is present:

  • The airbag warning light stays on constantly, indicating a potential safety issue.
  • Seat adjustment controls are unresponsive or erratically functioning, making it difficult to find a comfortable driving position.
  • In some cases, the vehicle's electronic stability control (ESC) warning light may also illuminate, suggesting further electronic system issues.
  • You may experience a decrease in overall comfort due to an inability to adjust the seat properly, affecting driving posture.
  • When the vehicle is in motion, you may hear unusual electrical clicking sounds coming from beneath the driver's seat.

Possible Causes

Most common causes of B058C (ordered by frequency):

  1. The most common cause is a faulty seat position sensor, which is responsible for communicating the seat's position to the vehicle’s control systems. This accounts for about 60% of cases.
  2. Another significant cause could be damaged wiring or connectors in the seat adjustment system. This can occur from regular wear and tear or exposure to moisture, leading to electrical failures.
  3. A third possibility is a malfunction in the power seat control module itself, which can lead to miscommunication with other vehicle systems.
  4. Less common but serious causes include issues with the airbag control module that can affect how airbags deploy, which can be life-threatening.
  5. A rare cause might involve software glitches in the vehicle’s onboard systems, which may require a software update to resolve.

B058C Repair Costs

Cost Breakdown by Repair Type

Seat Position Sensor Replacement

Replacing the faulty seat position sensor with a new OEM part.

  • Total: $150 - $300
  • Success rate: 85%
Wiring Repair

Repairing damaged wiring or connectors within the seat adjustment circuit.

  • Total: $100 - $200
  • Success rate: 75%
Power Seat Control Module Replacement

Replacing the control module if it has failed, which may require reprogramming.

  • Total: $300 - $600
  • Success rate: 90%
Money-Saving Tips for B058C
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional B058C Diagnosis Process

Follow these systematic steps to accurately diagnose B058C. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion, particularly around the driver's seat area (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion, particularly around the driver's seat area (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context and history (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context and history (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the seat position sensor and wiring for continuity (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the seat position sensor and wiring for continuity (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - After any repairs, verify proper operation of the seat adjustment and clear the codes (10-15 minutes)

Step 4: System function test - After any repairs, verify proper operation of the seat adjustment and clear the codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm the repair's success and ensure that warning lights do not reappear (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm the repair's success and ensure that warning lights do not reappear (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: 2016 Honda Accord Seat Position Sensor Replacement

Vehicle: 2016 Honda Accord, 75,000 miles

Problem: Customer reported the airbag light was illuminated and the driver's seat adjustment wasn't functioning.

Diagnosis: Using the GeekOBD APP, the B058C code was retrieved. A visual inspection revealed a broken seat position sensor harness.

Solution: Replaced the seat position sensor and repaired the wiring harness.

Cost: $250 (sensor $150, labor $100)

Result: Airbag light cleared and seat adjustment function restored.

Case Study 2: 2017 Chevrolet Malibu Wiring Repair

Vehicle: 2017 Chevrolet Malibu, 50,000 miles

Problem: The driver’s seat adjustment was erratic and the airbag warning light was on.

Diagnosis: Diagnostic scanning indicated B058C. Inspection revealed frayed wiring under the seat.

Solution: Repaired the damaged wiring and verified functionality.

Cost: $180 (labor $80, wiring repair $100)

Result: Seat adjustment worked properly, and airbag system returned to normal.

Diagnose B058C

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: B058C
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes