how to troubleshoot the no sound issue in Tesla Outback 5th Generation (2015-2019)

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

529 words

Problem Statement

Learn how to troubleshoot and fix the no sound issue in the 2015-2019 Subaru Outback audio system. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on electrical systems to prevent shock or damage.

Symptoms

•No sound from the speakers at any volume level
•Audio system display appears functional but no audio output
•Bluetooth connection established but no sound during calls or media
•Volume knob or touchscreen controls are unresponsive or ineffective
•Possible intermittent sound issues before total failure

Diagnostic Steps

1
Check the audio system settings to ensure that the mute function is not activated.
2
Inspect the vehicle's fuse box for any blown fuses related to the audio system.
3
Verify the connection of the audio system wiring harnesses.
4
Test the audio output using different media sources (radio, Bluetooth, USB).
5
Use an OBD-II scanner to check for any fault codes related to the audio system.
6
Reset the audio system by disconnecting the vehicle battery for a few minutes, then reconnecting.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Fuse puller or needle-nose pliers
•Screwdriver set
•Multimeter (optional)
•Socket set

Parts Required

•Replacement fuse (if blown)
•New audio head unit or amplifier (if required)

Related Faults

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Symptoms

•No sound from the speakers at any volume level

•Audio system display appears functional but no audio output

•Bluetooth connection established but no sound during calls or media

•Volume knob or touchscreen controls are unresponsive or ineffective

•Possible intermittent sound issues before total failure

Diagnostic Steps

1
Check the audio system settings to ensure that the mute function is not activated.
2
Inspect the vehicle's fuse box for any blown fuses related to the audio system.
3
Verify the connection of the audio system wiring harnesses.
4
Test the audio output using different media sources (radio, Bluetooth, USB).
5
Use an OBD-II scanner to check for any fault codes related to the audio system.
6
Reset the audio system by disconnecting the vehicle battery for a few minutes, then reconnecting.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and turned off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect Fuses

Tools Required: Fuse puller or needle-nose pliers
Locate the fuse box under the dashboard or the engine compartment.
Identify the fuse labeled for the audio system (consult the owner's manual for the exact location).
Remove the fuse and inspect it; if the metal strip is broken, replace it with a new fuse of the same amperage.

3. Check Wiring Connections

Tools Required: Screwdriver set, multimeter (optional)
Remove the audio head unit using the appropriate screwdriver.
Inspect the wiring harness connections for any loose or damaged wires.
Reconnect any loose connectors and ensure that the wiring is intact.

4. Test Audio Sources

Tools Required: None
Reconnect the battery terminal.
Start the vehicle and turn on the audio system.
Switch through different audio sources (radio, Bluetooth, USB) to determine if sound is restored.

5. Replace Audio System (if necessary)

Tools Required: Screwdriver set, socket set
If the audio system remains non-functional, consider replacing the head unit or amplifier.
Remove the existing unit and disconnect the wiring harness.
Install the new unit by connecting the wiring harness and securing it in place.