AutoCodes – Dodge – B147B Dodge

B147B Dodge Code - Channel 6 Audio Speaker Output Circuit High

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: B147B Dodge indicates Channel 6 Audio Speaker Output Circuit High.
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.

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Code Popularity 679

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B147B 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 B147B Dodge - Channel 6 Audio Speaker Output Circuit High - AutoCodes.com — B147B Dodge Code - Channel 6 Audio Speaker Output Circuit High

What does this mean?

What are the Possible Causes of the DTC B147B Dodge?

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

How to Fix the DTC B147B 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 B147B 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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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 B147B Dodge Code

1. What does the OBDII code B147B mean on a Dodge vehicle?

The code B147B indicates a high voltage issue in the Channel 6 audio speaker output circuit, suggesting an electrical fault in the speaker or wiring.

2. What are the symptoms of the B147B code?

Symptoms may include no sound from one or more speakers, distorted audio, or intermittent audio output in the vehicle's sound system.

3. What causes the B147B code to appear?

Common causes include damaged speaker wiring, a faulty speaker, a defective amplifier, or a short circuit in the audio system.

4. Can I still drive my Dodge with the B147B code?

Yes, this code does not affect drivability, but it may reduce audio system functionality and should be addressed to restore full sound performance.

5. How can I diagnose the B147B code?

Check the speaker wiring for damage, test the speaker for continuity, inspect the amplifier for faults, and confirm there are no shorts or open circuits in the audio system.

6. How do I fix the B147B code on my Dodge vehicle?

Repairs may include replacing damaged wiring, installing a new speaker, or repairing/replacing a faulty amplifier.

7. Can the B147B code be caused by a blown fuse?

While unlikely, a blown fuse could impact the audio system. Check the fuse box to rule out this possibility.

8. Do I need a professional to fix the B147B code?

If you have basic electrical knowledge, you can attempt to diagnose and repair the issue. Otherwise, consult a professional technician for assistance.

9. Will clearing the B147B code fix the issue?

Clearing the code will erase it temporarily, but the underlying problem must be resolved to prevent the code from returning.

10. Can a software update fix the B147B code?

A software issue is not a common cause of this code, but if the problem persists after hardware repairs, consult the dealership to check for any relevant software updates.