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Engine-Codes – Generic – B1F02

B1F02 Code - Mirror Vertical Motor Control Circuit

Quick Answer

The B1F02 diagnostic trouble code (DTC) refers to an issue with the mirror vertical motor control circuit in the vehicle. Common causes include Faulty mirror motor, Damaged wiring or connectors in the mirror vertical motor control circuit, Defective mirror control switch. 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
B1F02 indicates Mirror Vertical Motor Control Circuit.
Common causes
Common causes include Faulty mirror motor, Damaged wiring or connectors in the mirror vertical motor control circuit, Defective mirror control switch.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code B1F02 Description

The B1F02 diagnostic trouble code (DTC) refers to an issue with the mirror vertical motor control circuit in the vehicle. This code indicates that there is a malfunction in the system responsible for controlling the vertical movement of the mirrors, typically found on the side mirrors of the vehicle. The mirror vertical motor control circuit is an essential component as it allows the driver to adjust the mirrors to achieve optimal visibility while driving.

OBDII Code B1F02 - Mirror Vertical Motor Control Circuit
B1F02 Code - Mirror Vertical Motor Control Circuit

Common Causes of B1F02

  1. Faulty mirror motor.
  2. Damaged wiring or connectors in the mirror vertical motor control circuit.
  3. Defective mirror control switch.
  4. Malfunctioning mirror control module.
  5. Water or moisture damage to the mirror components.

Symptoms of B1F02

  1. Inability to adjust the vertical position of the mirrors.
  2. Mirrors getting stuck in a certain position.
  3. Unusual noises coming from the mirror motor.
  4. Erratic mirror movement when trying to adjust them.
  5. Warning light on the dashboard related to mirror control.

How to Fix B1F02

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scan tool to read the fault codes and pinpoint the problem area.
  2. Inspect the mirror vertical motor control circuit for any visible damage or loose connections. Repair or replace any damaged wiring or connectors.
  3. Test the mirror motor for proper functionality. Replace the mirror motor if it is found to be faulty.
  4. Check the mirror control switch and control module for any malfunctions. Replace these components as needed.
  5. Clear the fault codes and test the mirror vertical motor control circuit to ensure proper operation.

Cost to Fix B1F02

The typical repair costs for addressing the B1F02 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a mirror motor can range from $100 to $300, while repairing wiring or connectors may cost around $50 to $150. The cost of replacing a mirror control switch or control module can vary between $50 to $200 each. Additionally, labor costs for the repair process can range from $100 to $300, depending on the shop rates and the complexity of the repair. It's important to note that these are rough estimates, and actual costs may vary based on the vehicle make and model, location, and other factors. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.

What does this mean?

Tech Notes for B1F02

B1F02-11 MIRROR VERTICAL MOTOR CONTROL CIRCUIT SHORT TO GROUND

B1F02-12 MIRROR VERTICAL MOTOR CONTROL CIRCUIT SHORT TO BATTERY

B1F02-13 MIRROR VERTICAL MOTOR CONTROL CIRCUIT OPEN

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Code B1F02 Information for Specific Makes

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 B1F02 Code

1. What are the common symptoms associated with OBDII code B1F02 (Mirror Vertical Motor Control Circuit)?

- Common symptoms include malfunctioning vertical movement of the mirror, inability to adjust the mirror vertically, or the mirror getting stuck in one position.

2. What are some possible causes of OBDII code B1F02?

- Possible causes include a faulty vertical motor, wiring issues in the mirror control circuit, blown fuse, or a malfunctioning mirror control switch.

3. How can I diagnose the cause of OBDII code B1F02?

- You can start by checking the fuse related to the mirror control circuit, inspecting the wiring for any damage or loose connections, testing the mirror vertical motor for proper operation, and verifying the functionality of the mirror control switch.

4. Can I still drive my vehicle with OBDII code B1F02?

- While it may be possible to drive with this code, it is recommended to address the issue promptly as it may affect your ability to adjust the mirror for safe driving.

5. How can I repair OBDII code B1F02?

- Repair methods may include replacing the faulty vertical motor, repairing or replacing damaged wiring, replacing a blown fuse, or repairing/replacing the mirror control switch, depending on the root cause of the issue.

6. Is it necessary to reset the OBDII code B1F02 after making repairs?

- Yes, it is recommended to clear the code using an OBDII scanner after addressing the underlying issue. This will reset the system and allow you to monitor if the problem has been successfully resolved.

7. Can extreme weather conditions cause OBDII code B1F02 to trigger?

- Yes, extreme weather conditions such as heavy rain, snow, or temperature fluctuations can potentially affect the mirror control circuit, leading to the triggering of OBDII code B1F02.

8. Will OBDII code B1F02 affect other electrical systems in the vehicle?

- While the code specifically relates to the mirror vertical motor control circuit, electrical issues in one part of the vehicle can sometimes have secondary effects on other systems. It's advisable to address the code promptly to prevent potential complications.

9. How long does it typically take to repair OBDII code B1F02?

- The repair time can vary depending on the root cause of the issue. Simple fixes like replacing a fuse may take a short time, while more complex repairs involving the motor or wiring may require more time and expertise.

10. Can a DIY enthusiast fix OBDII code B1F02, or is professional assistance recommended?

- Depending on your automotive repair skills and knowledge, some aspects of addressing OBDII code B1F02 may be DIY-friendly, such as checking fuses or inspecting wiring. However, for tasks like motor replacement or complex electrical repairs, professional assistance is often recommended to ensure proper resolution.

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