AutoCodes – RAM – B1474 RAM

B1474 RAM Code - Channel 5 Audio Speaker Output Circuit Performance

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: B1474 RAM indicates Channel 5 Audio Speaker Output Circuit Performance.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 749

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1474 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 B1474 RAM - Channel 5 Audio Speaker Output Circuit Performance - AutoCodes.com — B1474 RAM Code - Channel 5 Audio Speaker Output Circuit Performance

What does this mean?

What are the Possible Causes of the DTC B1474 RAM?

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

How to Fix the DTC B1474 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 B1474 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.

Need more information about the B1474 RAM code?

Need more information on how to fix the B1474 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1474 RAM code diagnosed by a professional: Find a repair shop in your area

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 B1474 RAM Code

1. What are the common symptoms of OBDII code B1474 RAM?

- Common symptoms include distorted or no sound coming from the audio speaker, intermittent audio output, or complete audio system failure.

2. What could cause the OBDII code B1474 RAM to trigger?

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

3. How can I diagnose the Channel 5 Audio Speaker Output Circuit Performance issue associated with code B1474 RAM?

- To diagnose the issue, you can start by checking the connections and wiring of the audio system, testing the audio amplifier, inspecting the audio speaker for damage, and using a multimeter to check for continuity.

4. What are some repair tips for resolving OBDII code B1474 RAM?

- Repair tips may include repairing or replacing damaged speaker wiring, replacing a faulty audio amplifier, installing a new audio speaker, or resetting the audio system to clear the code.

5. Can I drive my vehicle with the OBDII code B1474 RAM present?

- It is generally safe to drive the vehicle with this code, but the audio system may not function properly, affecting your driving experience.

6. How do I reset OBDII code B1474 RAM after making repairs?

- You can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the error code.

7. Is OBDII code B1474 RAM a serious issue that requires immediate attention?

- While it may not directly affect the vehicle's drivability, addressing the issue promptly is recommended to restore proper audio functionality and prevent further damage to the audio system.

8. Can a DIY enthusiast repair OBDII code B1474 RAM, or is professional help necessary?

- Depending on your skills and experience with automotive electronics, you may be able to troubleshoot and repair the issue yourself. However, seeking professional help is advisable if you are unsure.

9. Are there any preventive measures to avoid encountering OBDII code B1474 RAM in the future?

- Regularly inspecting and maintaining the audio system components, avoiding water damage to the audio system, and ensuring proper installation of aftermarket audio equipment can help prevent this issue.

10. How can I determine if the OBDII code B1474 RAM is related to a specific audio speaker in my vehicle?

- You can isolate the issue by testing each audio speaker individually, listening for any abnormalities in sound quality, and checking the corresponding wiring and connections for that specific speaker.