Engine-CodesJeep – B1F04 Jeep

B1F04 Jeep Code - Mirror Fold Control Circuit

Quick Answer

The B1F04 diagnostic trouble code (DTC) for Jeep vehicles refers to an issue with the mirror fold control circuit. Common causes include Faulty mirror control switch, Wiring harness issues, such as shorts or open circuits, Defective mirror motors. 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
B1F04 Jeep indicates Mirror Fold Control Circuit.
Common causes
Common causes include Faulty mirror control switch, Wiring harness issues, such as shorts or open circuits, Defective mirror motors.
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 13, 2024
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Code B1F04 Jeep Description

The B1F04 diagnostic trouble code (DTC) for Jeep vehicles refers to an issue with the mirror fold control circuit. This code indicates that there is a malfunction in the system responsible for controlling the folding mechanism of the side mirrors. In modern vehicles, side mirrors are often equipped with power-folding capabilities, allowing drivers to fold them in for tight parking spaces or when the vehicle is parked. When the mirror fold control circuit is not functioning correctly, it can lead to the side mirrors not folding as intended or not folding at all.

OBDII Code B1F04 Jeep - Mirror Fold Control Circuit
B1F04 Jeep Code - Mirror Fold Control Circuit

Common Causes of B1F04 Jeep

  1. Faulty mirror control switch.
  2. Wiring harness issues, such as shorts or open circuits.
  3. Defective mirror motors.
  4. Malfunctioning mirror fold control module.
  5. Water damage or corrosion in the mirror fold control circuit components.

Symptoms of B1F04 Jeep

  1. Side mirrors do not fold in when commanded.
  2. Side mirrors fold in intermittently or only on one side.
  3. Unusual noises coming from the side mirror area when attempting to fold them.
  4. Mirror fold control switch not responding or functioning erratically.

How to Fix B1F04 Jeep

  1. Begin by conducting a thorough visual inspection of the mirror fold control circuit components, checking for any visible damage or corrosion.
  2. Use a multimeter to test the continuity of the wiring harness and connections to identify any electrical faults.
  3. Test the mirror control switch for proper functionality and replace if necessary.
  4. Inspect the mirror motors for proper operation and replace if they are not functioning correctly.
  5. If all other components check out, consider replacing the mirror fold control module as a last resort.

Cost to Fix B1F04 Jeep

The typical repair costs for addressing the B1F04 code related to the mirror fold control circuit in a Jeep vehicle can vary depending on the specific cause of the issue. On average, the parts required for this repair, such as a mirror control switch, mirror motor, or control module, can range from $100 to $300. Labor costs at auto repair shops can add an additional $100 to $200, with total repair costs potentially amounting to $200 to $500.

Tech Notes for B1F04 Jeep

B1F04-11 MIRROR FOLD CONTROL CIRCUIT SHORT TO GROUND

B1F04-15 MIRROR FOLD CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

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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 B1F04 Jeep Code

1. What are common symptoms of OBDII code B1F04 in a Jeep related to the Mirror Fold Control Circuit?

- Common symptoms include power mirror folding issues, mirror control malfunctions, and warning lights on the dashboard.

2. What are possible causes of the B1F04 OBDII code in a Jeep?

- Possible causes include faulty mirror control switch, damaged wiring harness, defective mirror motors, or a malfunctioning mirror control module.

3. How can I diagnose the Mirror Fold Control Circuit issue in my Jeep triggering the B1F04 code?

- Use an OBDII scanner to retrieve the specific fault code, visually inspect the mirror control components, test the mirror folding functionality, and check for any visible wiring damage.

4. What are some DIY repair tips for addressing the B1F04 code in a Jeep Mirror Fold Control Circuit?

- DIY repair tips may involve checking and repairing any damaged wiring, replacing a faulty mirror control switch, or addressing issues with the mirror motors or control module.

5. Can the B1F04 OBDII code affecting the Mirror Fold Control Circuit be cleared/reset in a Jeep?

- Yes, the code can be cleared/reset using an OBDII scanner after the underlying issue with the Mirror Fold Control Circuit has been diagnosed and resolved.

6. Is it safe to continue driving my Jeep with the B1F04 OBDII code related to the Mirror Fold Control Circuit?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper functionality of the mirror control system.

7. How much does it typically cost to repair the Mirror Fold Control Circuit issue causing the B1F04 code in a Jeep?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

8. Can a faulty mirror motor be the sole reason for the B1F04 OBDII code in a Jeep?

- Yes, a faulty mirror motor can be a common cause of the B1F04 code if it is not functioning properly and preventing the mirror from folding correctly.

9. Are there any recalls or technical service bulletins related to the B1F04 code in Jeep vehicles?

- It is recommended to check with a Jeep dealership or the manufacturer to inquire about any recalls or technical service bulletins related to the Mirror Fold Control Circuit issue triggering the B1F04 code.

10. How long does it typically take to repair the Mirror Fold Control Circuit problem causing the B1F04 code in a Jeep?

- The repair time can vary depending on the exact cause of the issue and the complexity of the repair, but it may take a few hours to a full day to diagnose and fix the problem.

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