AutoCodes – Generic – B147B

B147B 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 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 776

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 12, 2019

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

What does this mean?

What are the Possible Causes of the DTC B147B?

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

How to Fix the DTC B147B?

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 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.

Need more information about the B147B code?

Need more information on how to fix the B147B code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B147B code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B147B Chrysler — Channel 6 Audio Speaker Output Circuit High
B147B Dodge — Channel 6 Audio Speaker Output Circuit High
B147B Jeep — Channel 6 Audio Speaker Output Circuit High
B147B RAM — Channel 6 Audio Speaker Output Circuit High

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 Code

1. What are common symptoms of OBDII code B147B (Channel 6 Audio Speaker Output Circuit High)?

- Common symptoms include distorted audio from the affected speaker, no sound output, or intermittent audio issues.

2. What can cause the OBDII code B147B to trigger?

- The code B147B is typically triggered by a high voltage condition in the Channel 6 audio speaker output circuit, which may be caused by a wiring issue, a faulty speaker, or a problem with the audio system amplifier.

3. How can I diagnose the OBDII code B147B related to the Channel 6 Audio Speaker Output Circuit High?

- To diagnose this issue, you can start by checking the wiring connections to the affected speaker, testing the speaker for proper functionality, and inspecting the audio system amplifier for any faults.

4. Is it safe to continue driving with the OBDII code B147B active?

- While it may be safe to drive with this code, it is recommended to address the issue promptly to avoid further damage to the audio system components.

5. Can I repair the OBDII code B147B issue myself?

- Depending on your experience and tools available, you may be able to repair the issue yourself by checking and repairing any wiring faults, replacing a faulty speaker, or addressing any amplifier problems.

6. Will resetting the OBDII code B147B make it go away permanently?

- Resetting the code may temporarily clear the fault, but if the underlying issue causing the high voltage condition in the Channel 6 audio speaker output circuit is not addressed, the code is likely to reappear.

7. How much does it typically cost to repair the OBDII code B147B related to the Channel 6 Audio Speaker Output Circuit High?

- The cost of repair can vary depending on the specific cause of the issue. It may range from a simple DIY fix with minimal expenses to a more complex repair involving professional diagnosis and component replacement.

8. Are there any preventive measures to avoid encountering the OBDII code B147B issue?

- Regularly checking and maintaining the audio system components, such as speakers and wiring, can help prevent issues like the Channel 6 Audio Speaker Output Circuit High fault.

9. Can the OBDII code B147B affect other systems in the vehicle?

- The B147B code specifically relates to the Channel 6 audio speaker output circuit, so it should not directly impact other vehicle systems. However, addressing the issue promptly is still recommended.

10. How long does it typically take to repair the OBDII code B147B once diagnosed?

- The repair time can vary based on the complexity of the issue and the availability of parts. Simple fixes may take a short amount of time, while more involved repairs could require several hours or more.