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Engine-Codes – RAM – B1473 RAM

B1473 RAM Code - Channel 4 Audio Speaker Output Circuit Shorted Together

Quick Answer

The B1473 RAM code indicates that there is a short circuit in the audio speaker output circuit for Channel 4 in the vehicle. Common causes include Damaged or frayed wiring in the speaker output circuit, Short circuit caused by water or moisture intrusion, Faulty speaker in Channel 4. 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
B1473 RAM indicates Channel 4 Audio Speaker Output Circuit Shorted Together.
Common causes
Common causes include Damaged or frayed wiring in the speaker output circuit, Short circuit caused by water or moisture intrusion, Faulty speaker in Channel 4.
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 17, 2024
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Code B1473 RAM Description

The B1473 RAM code indicates that there is a short circuit in the audio speaker output circuit for Channel 4 in the vehicle. This means that there is an abnormal connection between the wires or components in the circuit, causing an unintended flow of electricity. This can lead to issues with the audio system in the vehicle, such as distorted sound, no sound output, or even damage to the speakers themselves.

OBDII Code B1473 RAM - Channel 4 Audio Speaker Output Circuit Shorted Together
B1473 RAM Code - Channel 4 Audio Speaker Output Circuit Shorted Together

Common Causes of B1473 RAM

  1. Damaged or frayed wiring in the speaker output circuit.
  2. Short circuit caused by water or moisture intrusion.
  3. Faulty speaker in Channel 4.
  4. Malfunctioning amplifier connected to Channel 4.
  5. Issue with the head unit sending incorrect signals to Channel 4.

Symptoms of B1473 RAM

  1. Distorted sound coming from the affected speaker.
  2. No sound output from the affected speaker.
  3. Audio cutting in and out intermittently.
  4. Overloading of the audio system causing other speakers to malfunction.
  5. Error message on the audio system display related to the speaker output.

How to Fix B1473 RAM

  1. Begin by disconnecting the battery to prevent any electrical mishaps.
  2. Inspect the wiring in the speaker output circuit for any damage or signs of a short circuit.
  3. Test the speaker in Channel 4 to determine if it is functioning properly.
  4. Check the amplifier connected to Channel 4 for any faults or malfunctions.
  5. If the issue persists, consider consulting a professional automotive technician for further diagnostics and repairs.

Cost to Fix B1473 RAM

The typical repair costs for addressing a B1473 RAM code can vary depending on the extent of the damage and the specific components that need to be repaired or replaced. In general, the cost of parts such as wiring harnesses, speakers, amplifiers, or head units can range from $100 to $500 or more. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair bill could amount to several hundred dollars or more. It's advisable to consult with a local auto repair shop for a more accurate estimate based on your vehicle make and model, as well as the severity of the issue.

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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 B1473 RAM Code

1. What does the OBDII code B1473 RAM mean?

B1473 RAM indicates that the Channel 4 audio speaker output circuit has a short, causing improper functionality of the speaker system.

2. What are the common symptoms of code B1473 RAM?

Symptoms include distorted or no audio from the affected speaker, popping noises, or all audio cutting out intermittently.

3. What causes the B1473 RAM code?

The primary causes are damaged speaker wiring, a shorted speaker, or a malfunctioning audio amplifier.

4. Can a faulty speaker trigger the B1473 RAM code?

Yes, a faulty or internally shorted speaker can cause this code by disrupting the audio output circuit.

5. How do I troubleshoot the B1473 RAM code?

Inspect the wiring and connectors for damage or corrosion, test the speaker for proper function, and check the audio amplifier for faults.

6. Can I drive with the B1473 RAM code active?

Yes, the code does not affect vehicle operation, but the audio system may not function properly.

7. How can I fix the B1473 RAM code?

Repair or replace damaged wiring, replace the faulty speaker, or replace the audio amplifier if it's determined to be defective.

8. Will resetting the code fix the issue?

No, resetting the code will clear it temporarily, but the underlying issue must be repaired to prevent it from returning.

9. How much does it cost to repair the B1473 RAM code?

Costs vary depending on the issue, ranging from $50 for wiring repairs to $500+ if the audio amplifier needs to be replaced.

10. Can the B1473 RAM code damage other components?

If left unresolved, the short could potentially damage the audio amplifier or other electronic components in the audio system.

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