AutoCodes – RAM – B147A RAM

B147A RAM Code - Channel 6 Audio Speaker Output Circuit Low

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: B147A RAM indicates Channel 6 Audio Speaker Output Circuit Low.
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 906

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 B147A 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 B147A RAM - Channel 6 Audio Speaker Output Circuit Low - AutoCodes.com — B147A RAM Code - Channel 6 Audio Speaker Output Circuit Low

What does this mean?

What are the Possible Causes of the DTC B147A RAM?

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

How to Fix the DTC B147A 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 B147A 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 B147A RAM Code

1. What are common symptoms of OBDII code B147A RAM titled Channel 6 Audio Speaker Output Circuit Low?

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

2. What are possible causes of the B147A RAM code?

- Possible causes include damaged wiring, a malfunctioning audio amplifier, a faulty speaker, or a defective audio head unit.

3. How can I diagnose the issue related to code B147A RAM?

- You can start by visually inspecting the speaker wiring and connections, testing the speaker with a known good audio source, and using a multimeter to check for continuity and proper voltage.

4. Is it safe to continue driving with OBDII code B147A RAM active?

- It is generally safe to drive with this code, but you may experience audio issues or lack of sound from the affected speaker.

5. How can I repair the Channel 6 Audio Speaker Output Circuit Low issue?

- Repair methods may include repairing or replacing damaged wiring, replacing the faulty speaker, troubleshooting and repairing the audio amplifier, or replacing the audio head unit if necessary.

6. Can a DIY enthusiast fix OBDII code B147A RAM at home?

- Depending on the level of expertise, a DIY enthusiast may be able to diagnose and repair this issue at home by following proper diagnostic and repair procedures.

7. Are there any common mistakes to avoid when addressing B147A RAM code?

- Common mistakes to avoid include overlooking loose connections, misdiagnosing the audio amplifier as the issue without proper testing, or neglecting to check for wiring damage.

8. Will resetting the OBDII code B147A RAM make the issue go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again.

9. How much can I expect to pay for professional repairs related to OBDII code B147A RAM?

- Repair costs can vary depending on the extent of the issue and the specific components that need to be repaired or replaced, but they may range from a few hundred to over a thousand dollars.

10. Can weather conditions or environmental factors trigger the B147A RAM code?

- Extreme weather conditions or exposure to moisture can potentially contribute to the development of issues leading to the B147A RAM code, especially in the case of water damage affecting the audio components.