AutoCodes – Dodge – B1477 Dodge

B1477 Dodge Code - Channel 5 Audio Speaker Output Circuit Open

Quick Answer

The standard equipment speaker system includes four full-range speakers. Common causes include Faulty Audio Amplifier, Audio Amplifier harness is open or shorted, Audio Amplifier circuit poor electrical connection. 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
B1477 Dodge indicates Channel 5 Audio Speaker Output Circuit Open.
Common causes
Common causes include Faulty Audio Amplifier, Audio Amplifier harness is open or shorted, Audio Amplifier circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,587
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 12, 2019
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Code B1477 Dodge Description

The standard equipment speaker system includes four full-range speakers. The two front speakers are mounted behind a removable bezel located on each outboard end of the lower instrument panel. With the premium speaker system, the standard front speakers are replace with an enclosure assembly that includes a 4 inch speaker and a 1 inch tweeter. The four rear speakers are mounted behind a grille located on each outboard end of the sport bar, above the rear seating area of the vehicle. This Diagnostic Trouble Code (DTC) sets if a Direct Current (DC) offset occurs on the output channel, the amplifier shall set a DTC after a maturity rate of four to six seconds.
OBDII Code B1477 Dodge - Channel 5 Audio Speaker Output Circuit Open - AutoCodes.com
B1477 Dodge Code - Channel 5 Audio Speaker Output Circuit Open

What are the Possible Causes of the DTC B1477 Dodge?

  • Faulty Audio Amplifier
  • Audio Amplifier harness is open or shorted
  • Audio Amplifier circuit poor electrical connection

How to Fix the DTC B1477 Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1477 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need Help with the Code?

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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 B1477 Dodge Code

1. What does the OBDII code B1477 mean on a Dodge?

The code B1477 indicates an open circuit in the Channel 5 audio speaker output, meaning the audio signal isn't reaching the speaker as expected.

2. What are the common symptoms of code B1477 in a Dodge?

Symptoms include no sound or distorted audio from the affected speaker, or intermittent audio output.

3. What causes the B1477 code to appear?

Possible causes include a damaged speaker, broken or disconnected wiring, a faulty audio amplifier, or loose electrical connections.

4. Can a blown fuse trigger the B1477 code?

No, a blown fuse typically affects the entire audio system, not just a single speaker output. The issue is more likely related to wiring or the speaker itself.

5. How can I diagnose the B1477 code on my Dodge?

Start by checking the wiring and connections to the affected speaker, inspect the speaker for damage, and test the audio amplifier for proper function.

6. Is it safe to drive with the B1477 code active?

Yes, it is safe to drive with this code active, but the audio system may not function properly, which could affect convenience and enjoyment.

7. Can a faulty speaker cause the B1477 code?

Yes, a faulty or damaged speaker can cause an open circuit, triggering the B1477 code.

8. How do I fix the B1477 OBDII code on a Dodge?

Repairs may include replacing the speaker, repairing or replacing damaged wiring, securing loose connections, or replacing a faulty audio amplifier.

9. Can I clear the B1477 code without fixing the issue?

You can clear the code with an OBDII scanner, but it will likely return unless the root cause is resolved.

10. Should I take my Dodge to a mechanic for code B1477?

If you're unable to diagnose or repair the issue yourself, it's a good idea to consult a professional mechanic to avoid further damage to the audio system.

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