B02FE - Understanding and Fixing B02FE in 2016-2020 Chevrolet Malibu

Quick Answer

B02FE means: B02FE indicates a fault in the power steering assist system.

Fix: Check and replace faulty components Cost: $500 - $800 Time: 90-180 minutes

Can I drive with B02FE? Immediate attention recommended to prevent steering failure.

Common Questions

What does B02FE mean and how does it affect my car?

The B02FE code signifies a fault in your vehicle's power steering assist system. This can lead to increased steering effort, making it difficult to turn the wheel, especially at lower speeds. If left unresolved, it can pose safety risks by impairing your steering control.

What are the most common causes of B02FE and how much does it cost to fix?

Common causes include a faulty EPS control module, malfunctioning steering angle sensor, or damaged wiring. Fixing these issues typically ranges from $200 to $800, depending on the specific repairs needed.

Can I drive my car with B02FE or should I stop immediately?

It is not safe to drive your vehicle with a B02FE code, as it indicates a potential loss of power steering assist. It's best to stop driving and have your vehicle inspected to avoid a complete steering failure.

How can I diagnose B02FE myself using GeekOBD APP?

Using the GeekOBD APP, you can perform a full OBD2 scan to retrieve the B02FE code and other related codes. Additionally, you can access freeze frame data to understand the conditions under which the code was triggered, helping you isolate the issue.

What vehicles are most commonly affected by B02FE?

The B02FE code is commonly found in models like the 2016-2020 Chevrolet Malibu, as well as various GM vehicles equipped with an electronic power steering system. Always check for manufacturer recalls or TSBs related to this issue.

How can I prevent B02FE from happening again?

Regular vehicle maintenance, including inspecting the power steering system for leaks and ensuring connections are secure, can help prevent the B02FE code from reappearing. Additionally, keeping the steering fluid at recommended levels and addressing any unusual noises promptly can be beneficial.

What is B02FE?

The diagnostic trouble code (DTC) B02FE typically indicates a fault related to the vehicle's power steering assist system, specifically linked to the Electronic Power Steering (EPS) module. When this code is triggered, it often means that the EPS is not functioning optimally or has detected an internal fault. This can lead to a range of issues, including difficulty steering, increased effort required to turn the wheel, or even a complete loss of power steering assist. Technically, this code might be set due to a malfunction in the EPS control module, a faulty steering angle sensor, or issues with the vehicle's wiring. For car owners, this means that addressing the B02FE code promptly is crucial; ignoring it could result in a more serious problem down the line. Therefore, if you see this code, it’s advisable to get your vehicle checked out as soon as possible to ensure your steering system operates safely and effectively.

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

Symptoms

Common symptoms when B02FE is present:

  • The check engine light illuminates on the dashboard, staying on until the issue is resolved.
  • You may notice that the steering feels heavier than usual, especially at low speeds, making it difficult to maneuver the vehicle.
  • Drivers may experience intermittent power steering assist failure, where the steering suddenly becomes stiff or unresponsive.
  • There could be a noticeable noise coming from the steering column or EPS motor when the steering wheel is turned.
  • In some cases, a message may appear on the dashboard display indicating a power steering assist fault.

Possible Causes

Most common causes of B02FE (ordered by frequency):

  1. The most common cause is a faulty EPS control module, which accounts for about 40% of B02FE issues. This module is responsible for regulating the power steering assist and can fail due to wear and tear.
  2. Another common reason is a malfunctioning steering angle sensor. This sensor communicates the steering wheel's position to the EPS module, and if it fails, it can trigger the B02FE code.
  3. Corroded or damaged wiring and connectors related to the EPS system can also lead to this code. Regularly inspecting these connections can help prevent issues.
  4. While less common, a low power steering fluid level can cause erratic behavior in the power steering system, contributing to the B02FE code.
  5. In rare cases, software issues within the EPS module may require a reprogramming to resolve the fault.

B02FE Repair Costs

Cost Breakdown by Repair Type

EPS Control Module Replacement

Replacing a faulty Electronic Power Steering control module to restore proper functionality.

  • Total: $500 - $800
  • Success rate: 85%
Steering Angle Sensor Replacement

Replacing a malfunctioning steering angle sensor to ensure proper communication with the EPS.

  • Total: $200 - $400
  • Success rate: 75%
Money-Saving Tips for B02FE
  • 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 B02FE Diagnosis Process

Follow these systematic steps to accurately diagnose B02FE. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Perform a visual inspection of the power steering system, checking for damaged wiring, loose connections, or any leaks (5-10 minutes)

Step 1: Perform a visual inspection of the power steering system, checking for damaged wiring, loose connections, or any leaks (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: Use the GeekOBD APP to scan for DTCs and retrieve freeze frame data, which can provide context for the B02FE code (10-15 minutes)

Step 2: Use the GeekOBD APP to scan for DTCs and retrieve freeze frame data, which can provide context for the B02FE code (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: Test the EPS control module and steering angle sensor using a multimeter or specific diagnostic tools to verify their functionality (20-30 minutes)

Step 3: Test the EPS control module and steering angle sensor using a multimeter or specific diagnostic tools to verify their functionality (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: Conduct a functional test of the power steering system to ensure everything operates correctly after repairs and clear any codes (10-15 minutes)

Step 4: Conduct a functional test of the power steering system to ensure everything operates correctly after repairs and clear any 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: Perform a road test to confirm that the steering responds well under various driving conditions, verifying the success of the repair (15-20 minutes)

Step 5: Perform a road test to confirm that the steering responds well under various driving conditions, verifying the success of the repair (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: Power Steering Issue in 2018 Chevrolet Malibu

Vehicle: 2018 Chevrolet Malibu, 45,000 miles

Problem: Customer reported difficulty steering and a warning light on the dashboard.

Diagnosis: Performed a diagnostic scan which revealed a B02FE code. Visual inspection showed corroded connectors.

Solution: Cleaned and repaired the corroded wiring connections and replaced the EPS control module.

Cost: $750 (parts: $600 for the module, $150 for labor)

Result: Customer reported improved steering response and no further warning lights.

Case Study 2: Steering Angle Sensor Failure in 2017 Chevrolet Cruze

Vehicle: 2017 Chevrolet Cruze, 50,000 miles

Problem: Customer experienced intermittent power steering loss and check engine light.

Diagnosis: Diagnostic scan confirmed B02FE code. Testing revealed a faulty steering angle sensor.

Solution: Replaced the steering angle sensor and recalibrated the EPS system.

Cost: $350 (parts: $200 for the sensor, $150 for labor)

Result: Steering performance returned to normal, and the warning light was cleared.

Diagnose B02FE

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
Download GeekOBD APP Get MOBD Adapter

Code Information

Code: B02FE
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes