AutoCodes – Jeep – B147C Jeep

B147C Jeep Code - Channel 6 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: B147C Jeep indicates Channel 6 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.

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Code Popularity 2,747

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 B147C Jeep 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 B147C Jeep - Channel 6 Audio Speaker Output Circuit Open - AutoCodes.com — B147C Jeep Code - Channel 6 Audio Speaker Output Circuit Open

What does this mean?

What are the Possible Causes of the DTC B147C Jeep?

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

How to Fix the DTC B147C Jeep?

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 B147C Jeep 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 B147C Jeep 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 B147C Jeep Code

1. What are the common symptoms of OBDII code B147C in a Jeep related to the Channel 6 Audio Speaker Output Circuit Open?

- Common symptoms include a lack of sound or distorted audio from the affected speaker in the vehicle.

2. What typically causes the Channel 6 Audio Speaker Output Circuit Open code (B147C) in a Jeep?

- This code is usually triggered by a break or open circuit in the wiring leading to the audio speaker in Channel 6.

3. How can I diagnose the issue causing the B147C code in my Jeep?

- To diagnose the problem, you can visually inspect the wiring leading to the affected speaker, check for any visible damage or loose connections.

4. Is it possible to repair the Channel 6 Audio Speaker Output Circuit Open issue in a Jeep without professional help?

- If you have the necessary tools and knowledge, you may be able to repair the open circuit yourself by fixing the damaged wiring or connections.

5. Are there any tips for troubleshooting the Channel 6 Audio Speaker Output Circuit Open code in a Jeep?

- Using a multimeter to test the continuity of the wiring and connections can help pinpoint the exact location of the open circuit causing the issue.

6. Can moisture or water damage cause the B147C code related to the Channel 6 Audio Speaker Output Circuit Open in a Jeep?

- Yes, water infiltration or moisture exposure can lead to corrosion or short circuits in the wiring, triggering this fault code.

7. Is it safe to continue driving my Jeep with the B147C code indicating an open circuit in the audio speaker output?

- While driving with this issue may not pose an immediate danger, it is recommended to address it promptly to restore proper audio functionality in the vehicle.

8. What are the potential risks of ignoring the Channel 6 Audio Speaker Output Circuit Open code (B147C) in a Jeep?

- Ignoring this code may result in permanent damage to the audio system or other electrical components, leading to more extensive repairs in the future.

9. Can resetting the OBDII system clear the B147C fault code in a Jeep?

- Resetting the system may temporarily clear the code, but if the underlying issue causing the open circuit is not fixed, the code is likely to return.

10. How can a professional mechanic help resolve the B147C code related to the Channel 6 Audio Speaker Output Circuit Open in a Jeep?

- A professional mechanic can conduct a thorough inspection, use specialized diagnostic tools, and efficiently repair the open circuit to resolve the issue effectively.