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Engine-Codes – Generic – B146E

B146E Code - Channel 3 Audio Speaker Output Circuit Shorted Together

Quick Answer

The diagnostic code B146E indicates that there is a channel 3 audio speaker output circuit that has been shorted together in the vehicle. Common causes include Damaged wiring in the channel 3 audio speaker circuit, Loose or corroded connections in the circuit, Malfunctioning amplifier affecting channel 3 output. 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
B146E indicates Channel 3 Audio Speaker Output Circuit Shorted Together.
Common causes
Common causes include Damaged wiring in the channel 3 audio speaker circuit, Loose or corroded connections in the circuit, Malfunctioning amplifier affecting channel 3 output.
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 07, 2024
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Code B146E Description

The diagnostic code B146E indicates that there is a channel 3 audio speaker output circuit that has been shorted together in the vehicle. This means that there is an electrical issue in the circuit that is responsible for transmitting audio signals to the speaker in channel 3. When this circuit is shorted together, it can result in the speaker not functioning properly or producing distorted sound. This can significantly impact the overall audio experience in the vehicle, affecting the driver's ability to hear important alerts, navigation instructions, or simply enjoy music while driving.

OBDII Code B146E - Channel 3 Audio Speaker Output Circuit Shorted Together
B146E Code - Channel 3 Audio Speaker Output Circuit Shorted Together

Common Causes of B146E

  1. Damaged wiring in the channel 3 audio speaker circuit
  2. Loose or corroded connections in the circuit
  3. Malfunctioning amplifier affecting channel 3 output
  4. Short circuit caused by water damage or physical impact
  5. Defective audio control module responsible for channel 3 output

Symptoms of B146E

  1. Distorted sound coming from channel 3 speaker
  2. No sound output from channel 3 speaker
  3. Audio cutting in and out intermittently
  4. Vehicle's audio system displaying error messages
  5. Inability to adjust volume or settings for channel 3 speaker

How to Fix B146E

  1. Begin by disconnecting the vehicle's battery to prevent any electrical mishaps.
  2. Inspect the wiring and connections in the channel 3 audio speaker circuit for any damage or corrosion. Replace or repair any faulty components.
  3. Test the amplifier to ensure it is functioning correctly. Replace if necessary.
  4. Check the audio control module for any malfunctions related to channel 3 output. Repair or replace as needed.
  5. Reconnect the battery and test the audio system to confirm that the issue has been resolved.

Cost to Fix B146E

The typical repair costs for addressing a channel 3 audio speaker output circuit shorted together can range from $100 to $300, depending on the extent of the damage and the specific components that need to be replaced or repaired. This estimate includes parts and labor costs. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary significantly. It is advisable to check with local repair shops for more accurate cost estimates based on your vehicle's make and model.

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Code B146E Information for Specific Makes

  • B146E Chrysler — Channel 3 Audio Speaker Output Circuit Shorted Together
  • B146E Dodge — Channel 3 Audio Speaker Output Circuit Shorted Together
  • B146E Jeep — Channel 3 Audio Speaker Output Circuit Shorted Together
  • B146E RAM — Channel 3 Audio Speaker Output Circuit Shorted Together
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 B146E Code

1. What does the OBDII code B146E mean?

The code B146E indicates that the Channel 3 audio speaker output circuit has a short, meaning wires in the circuit are making unintended contact.

2. What are common symptoms of the B146E code?

Common symptoms include distorted or no audio from one or more speakers, audio system malfunctions, and possibly a warning light on the dashboard.

3. What causes the B146E code to appear?

It is typically caused by damaged or frayed speaker wires, a shorted speaker, or an issue with the audio amplifier or head unit.

4. How can I diagnose the B146E code?

Inspect the speaker wires for damage, check the speaker's resistance with a multimeter, and test the audio amplifier or head unit for faults.

5. Can I still drive my car with the B146E code active?

Yes, this code usually only affects the audio system and does not impact the drivability or safety of the vehicle.

6. How do I fix the B146E code?

Repair or replace any damaged speaker wires, replace the faulty speaker if needed, or repair the audio amplifier or head unit if they are causing the short.

7. How much does it cost to fix the B146E code?

The repair cost depends on the root cause, ranging from $50 for wire repairs to $200-$500 or more for replacing a speaker, amplifier, or head unit.

8. Can I fix the B146E code myself?

If you have basic electrical skills, you can check and repair damaged wires or replace a faulty speaker. However, diagnosing and repairing the amplifier or head unit may require professional help.

9. What tools do I need to troubleshoot the B146E code?

You’ll need a multimeter to check for electrical shorts, basic hand tools for accessing the speaker or wiring, and possibly an OBDII scanner to clear the code after repairs.

10. Will clearing the B146E code fix the problem?

No, clearing the code will not fix the underlying issue. The cause of the short must be repaired for the code to stay cleared.

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