AutoCodes – Jeep – B1473 Jeep

B1473 Jeep Code - Channel 4 Audio Speaker Output Circuit Shorted Together

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: B1473 Jeep indicates Channel 4 Audio Speaker Output Circuit Shorted Together.
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 1,096

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 B1473 Jeep 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 B1473 Jeep - Channel 4 Audio Speaker Output Circuit Shorted Together - AutoCodes.com — B1473 Jeep Code - Channel 4 Audio Speaker Output Circuit Shorted Together

What does this mean?

What are the Possible Causes of the DTC B1473 Jeep?

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

How to Fix the DTC B1473 Jeep?

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 B1473 Jeep 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 B1473 Jeep Code

1. What does the OBDII code B1473 mean on a Jeep?

B1473 indicates that the Channel 4 audio speaker output circuit has a short, meaning the wiring or connections for that speaker are compromised.

2. What are the common symptoms of the B1473 code?

Common symptoms include no sound or distorted audio from one or more speakers, or the audio system may shut down entirely.

3. What causes the B1473 code to appear?

The code is typically caused by damaged speaker wires, a short circuit in the speaker, or a faulty amplifier or audio unit.

4. Can you still drive with a B1473 code on your Jeep?

Yes, you can drive safely, but the audio system may not function properly, which can be inconvenient.

5. How do you diagnose the B1473 code?

Diagnose the code by inspecting the speaker wiring and connections for damage or corrosion, testing the speaker itself, and checking the amplifier or audio unit for faults.

6. How can the B1473 code be fixed?

Repairs may include repairing or replacing damaged wires, replacing the faulty speaker, or repairing/replacing the amplifier or audio unit if necessary.

7. Can I fix the B1473 code myself?

If youâ€™re comfortable with basic electrical troubleshooting, you can inspect and repair wiring or replace the speaker. For amplifier or audio unit issues, professional help may be needed.

8. Will resetting the code fix the B1473 issue?

Clearing the code without addressing the underlying issue will only temporarily remove the code; the problem will likely return.

9. How much does it cost to fix the B1473 code on a Jeep?

Repair costs can range from $50 to $200 for wiring or speaker replacement. If the amplifier or audio unit is faulty, repairs could exceed $500.

10. Can a blown fuse cause the B1473 code?

A blown fuse is unlikely to cause this specific code, but itâ€™s worth checking as part of the diagnostic process to rule out related electrical issues.