AutoCodes – Dodge – B146F Dodge

B146F Dodge Code - Channel 4 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: B146F Dodge indicates Channel 4 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.

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Code Popularity 852

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 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B146F Dodge 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 B146F Dodge - Channel 4 Audio Speaker Output Circuit Performance - AutoCodes.com — B146F Dodge Code - Channel 4 Audio Speaker Output Circuit Performance

What does this mean?

What are the Possible Causes of the DTC B146F Dodge?

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

How to Fix the DTC B146F Dodge?

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 B146F Dodge 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 B146F Dodge Code

1. What does the OBDII code B146F mean on a Dodge vehicle?

The B146F code indicates an issue with the Channel 4 Audio Speaker Output Circuit, typically related to poor performance or a fault in the speaker or audio wiring.

2. What are the common symptoms of the B146F code?

Symptoms may include distorted sound, no audio output from one or more speakers, or intermittent audio performance.

3. What causes the B146F code to trigger?

Common causes include damaged speaker wiring, a faulty speaker, a malfunctioning audio amplifier, or a short circuit in the audio output circuit.

4. Can a blown speaker cause the B146F code?

Yes, a blown or damaged speaker can create a circuit fault and trigger the B146F code.

5. How can I diagnose the B146F code?

Inspect the speaker wiring and connections for damage, test the speaker for continuity, and check the audio amplifier for proper function.

6. Is it safe to drive with the B146F code active?

Yes, it is typically safe to drive, but the vehicle's audio system may not function properly until the issue is resolved.

7. How do I fix the B146F code on my Dodge?

Repairs may include replacing a damaged speaker, repairing or replacing faulty wiring, or replacing the audio amplifier if it is determined to be defective.

8. Can a software update fix the B146F code?

In rare cases, a software issue in the vehicle's audio control module could cause the code, and a dealer may resolve it with a software update.

9. How much does it cost to repair the B146F code?

Repair costs vary depending on the issue but may range from $50 for simple wiring repairs to $500 or more if the amplifier or multiple speakers need replacement.

10. Can I clear the B146F code without fixing the problem?

Clearing the code without addressing the underlying issue will only result in the code returning after a short time. Repairs are necessary to resolve the problem permanently.