AutoCodes – RAM – B147C RAM

B147C RAM 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 RAM 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 1,221

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 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B147C RAM 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 RAM - Channel 6 Audio Speaker Output Circuit Open - AutoCodes.com — B147C RAM Code - Channel 6 Audio Speaker Output Circuit Open

What does this mean?

What are the Possible Causes of the DTC B147C RAM?

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

How to Fix the DTC B147C RAM?

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 RAM 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 B147C RAM Code

1. What are the common symptoms of OBDII code B147C RAM?

- Common symptoms include no sound from the affected speaker, distorted audio, or audio cutting in and out.

2. What causes the OBDII code B147C RAM, Channel 6 Audio Speaker Output Circuit Open?

- The code is typically triggered by a break or open circuit in the wiring leading to the audio speaker.

3. How can I diagnose the issue related to code B147C RAM?

- You can start by checking the wiring leading to the affected speaker for any breaks or damage. Additionally, testing the speaker itself for functionality may be necessary.

4. Can I drive my vehicle with the B147C RAM code?

- It is generally safe to drive the vehicle with this code, but it's recommended to address the issue promptly to avoid any further damage or inconvenience.

5. How do I repair the Channel 6 Audio Speaker Output Circuit Open issue?

- Repairing the issue involves locating the open circuit in the wiring and repairing or replacing the damaged section. Ensuring proper connections and testing the speaker after repair is essential.

6. Can a DIY enthusiast fix the B147C RAM code?

- Depending on your skills and experience with automotive electrical systems, you may be able to diagnose and repair the issue yourself by following a wiring diagram and using basic tools.

7. Is it necessary to clear the B147C RAM code after fixing the issue?

- Yes, it's recommended to clear the code using an OBDII scanner after repairing the Channel 6 Audio Speaker Output Circuit Open problem to reset the system and ensure the repair was successful.

8. Will fixing the B147C RAM code require special tools?

- Basic tools like a multimeter, wire strippers, and electrical tape may be sufficient for diagnosing and repairing the Channel 6 Audio Speaker Output Circuit Open issue.

9. What are the potential risks of ignoring the B147C RAM code?

- Ignoring the code may result in continued audio issues from the affected speaker, affecting your overall driving experience and entertainment system functionality.

10. How common is the B147C RAM code in vehicles?

- The B147C RAM code related to the Channel 6 Audio Speaker Output Circuit Open is relatively uncommon but can occur in vehicles with audio speaker system malfunctions.