B147E Jeep Code - Channel 7 Audio Speaker Output
Quick Answer
The amplifier receives fused battery current from a fuse in the Power Distribution Center (PDC) at all times. 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
- B147E Jeep indicates Channel 7 Audio Speaker Output.
- 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.
Code B147E Jeep Description
The amplifier receives information from the Body Control Module (BCM) and RRM, that communicates the correct channel setting for optimum speaker sound and output.
There are two amplifiers available, an 8 channel, rated at 322 watts (7 channels are used) and a 12 channel (11 channels are used), rated at 506 watts.
What are the Possible Causes of the DTC B147E Jeep?
- Faulty Audio Amplifier
- Audio Amplifier harness is open or shorted
- Audio Amplifier circuit poor electrical connection
How to Fix the DTC B147E 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.
Code Tech Notes
B147E-12 CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT SHORT TO BATTERY
B147E-13 CHANNEL 7 AUDIO SPEAKER OUTPUT CIRCUIT OPEN
B147E-92 CHANNEL 7 AUDIO SPEAKER OUTPUT PERFORMANCE OR INCORRECT OPERATION
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B147E 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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Frequently Asked Questions about B147E Jeep Code
1. What does the OBDII code B147E mean on a Jeep?
The B147E code indicates an issue with the Channel 7 Audio Speaker Output, typically related to a fault in the speaker circuit or audio system.
2. What are the common symptoms of the B147E code?
Symptoms include no sound or distorted audio from the affected speaker, static noise, or complete loss of audio in one channel.
3. What causes the B147E code to appear?
The code is often caused by a faulty speaker, damaged wiring, a loose connection, or a malfunctioning amplifier.
4. Can I still drive my Jeep with the B147E code?
Yes, the vehicle is safe to drive, but the audio system may not function properly until the issue is resolved.
5. How can I diagnose the B147E code?
Start by inspecting the speaker and its wiring for damage or loose connections. Use a multimeter to test for continuity in the circuit.
6. How do I fix the B147E code on my Jeep?
Repairs may include replacing the faulty speaker, repairing damaged wiring, or addressing issues with the amplifier or audio control module.
7. Does the B147E code require professional repair?
While some issues like loose connections can be fixed at home, complex problems with the amplifier or wiring may require professional assistance.
8. Can a software update fix the B147E code?
In rare cases, a software update for the audio system may resolve the issue if it's related to the control module.
9. How much does it cost to fix the B147E code?
The cost varies depending on the issue but can range from $50 for a simple wiring repair to $500 or more for a new amplifier or speaker.
10. Will clearing the B147E code with a scanner fix the problem?
Clearing the code may temporarily reset the system, but the underlying issue must be addressed to prevent the code from returning.
Discuss the causes and fixes for B147E Jeep OBDII Code
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