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Engine-Codes – Generic – B124C:11

B124C:11 Code - USB 2 Circuit High Input

Quick Answer

The B124C:11 diagnostic trouble code (DTC) refers to a USB 2 Circuit High Input issue in the vehicle's system. Common causes include Damaged wiring or connectors in the USB circuit, Faulty USB port, Issues with the vehicle's onboard computer. 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
B124C:11 indicates USB 2 Circuit High Input.
Common causes
Common causes include Damaged wiring or connectors in the USB circuit, Faulty USB port, Issues with the vehicle's onboard computer.
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 13, 2024
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Code B124C:11 Description

The B124C:11 diagnostic trouble code (DTC) refers to a USB 2 Circuit High Input issue in the vehicle's system. This code indicates that there is a problem with the USB 2 circuit, which is responsible for transmitting data between the vehicle's onboard computer and external devices connected via USB. The high input signal suggests that there is an abnormal voltage level detected in the circuit, which can disrupt the communication between the USB port and the connected devices.

OBDII Code B124C:11 - USB 2 Circuit High Input
B124C:11 Code - USB 2 Circuit High Input

Common Causes of B124C:11

  1. Damaged wiring or connectors in the USB circuit.
  2. Faulty USB port.
  3. Issues with the vehicle's onboard computer.
  4. Software glitches in the vehicle's system.
  5. Water or moisture damage to the USB components.

Symptoms of B124C:11

  1. USB devices not recognized or charging intermittently.
  2. Error messages related to USB connectivity on the vehicle's display.
  3. Inability to play media files from USB devices.
  4. Malfunctioning infotainment system.
  5. Disrupted communication between vehicle modules.

How to Fix B124C:11

  1. Begin by inspecting the wiring and connectors in the USB 2 circuit for any visible damage or corrosion.
  2. Test the USB port for proper functionality and replace it if necessary.
  3. Check for any software updates or reprogramming needed for the vehicle's onboard computer.
  4. Clear the DTC from the vehicle's system using a diagnostic tool.
  5. Test the USB connectivity with different devices to ensure proper functionality after repairs.

Cost to Fix B124C:11

The typical repair costs for addressing a USB 2 Circuit High Input issue can vary depending on the specific cause of the problem and the extent of repairs needed. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can add an additional $100 to $300. Overall, the total repair cost for this issue may fall between $150 and $500. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for more accurate estimates based on your vehicle make and model.

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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 B124C:11 Code

1. What does the OBDII code B124C:11 mean?

B124C:11 indicates a high input issue in the USB 2 circuit, typically related to the vehicle's USB port or wiring.

2. What are common symptoms of code B124C:11?

Symptoms include the USB port not functioning, inability to connect devices, or intermittent connectivity issues.

3. What causes the B124C:11 code?

Common causes include a damaged USB port, faulty wiring, loose connections, or a malfunctioning control module.

4. Can a faulty USB cable trigger the B124C:11 code?

Yes, using a damaged or incompatible USB cable can cause irregular inputs and trigger this code.

5. How can I fix code B124C:11?

Inspect the USB port for damage, check wiring and connections for faults, and replace any defective components as needed.

6. Will clearing the code fix B124C:11 permanently?

No, clearing the code without addressing the underlying issue will likely result in the code returning.

7. Is code B124C:11 related to software issues?

It can be if the vehicle's firmware or USB module software is outdated or corrupted.

8. Can a blown fuse cause the B124C:11 code?

A blown fuse related to the USB circuit might contribute to this issue, so checking fuses is recommended.

9. How much does it cost to repair code B124C:11?

Repair costs vary depending on whether the issue involves simple wiring fixes or replacement of the USB module, ranging from $50 to $300.

10. Can code B124C:11 affect other vehicle functions?

Typically, this code only impacts the USB functionality, but some infotainment systems may experience reduced performance.

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