AutoCodes – RAM – B1475 RAM

B1475 RAM Code - Channel 5 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: B1475 RAM indicates Channel 5 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 910

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 B1475 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 B1475 RAM - Channel 5 Audio Speaker Output Circuit Low - AutoCodes.com — B1475 RAM Code - Channel 5 Audio Speaker Output Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1475 RAM?

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

How to Fix the DTC B1475 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 B1475 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 B1475 RAM Code

1. What are the common symptoms of OBDII code B1475 RAM?

- Common symptoms include low or no sound coming from the channel 5 audio speaker in the vehicle.

2. What are the possible causes of the OBDII code B1475 RAM?

- The code may be triggered by issues such as a faulty speaker, damaged wiring, or a problem with the audio amplifier.

3. How can I troubleshoot the channel 5 audio speaker output circuit low issue?

- Start by checking the speaker connections, inspecting the wiring for any damage, and testing the speaker itself for functionality.

4. Can a blown fuse cause the B1475 RAM code to appear?

- Yes, a blown fuse in the audio system can cause the channel 5 speaker output circuit to register as low, triggering the code.

5. Is it possible to reset the B1475 RAM code after resolving the issue?

- Yes, once the underlying problem with the channel 5 audio speaker output circuit is fixed, the code can be cleared using an OBDII scanner.

6. What tools might be useful for diagnosing the B1475 RAM code related to the audio speaker output circuit?

- Useful tools for diagnosing this issue may include a multimeter for testing continuity in the wiring and a diagnostic scanner to read and clear the code.

7. Can moisture or water damage cause the B1475 RAM code to trigger?

- Yes, exposure to moisture or water in the speaker or wiring can lead to a short circuit or other damage, resulting in the low output code.

8. Are there any safety precautions to keep in mind when working on the audio speaker output circuit?

- Always disconnect the vehicle's battery before working on the audio system to prevent electrical shorts and ensure safety during repairs.

9. Should I replace the channel 5 audio speaker if it is found to be faulty?

- If testing reveals that the speaker is the cause of the low output circuit issue, replacing it with a new speaker may be necessary to resolve the problem.

10. How can a professional mechanic help with diagnosing and repairing the B1475 RAM code?

- A professional mechanic can use specialized tools and expertise to accurately diagnose and repair the underlying issue causing the channel 5 audio speaker output circuit low code.