my Tesla Outback 5th Generation (2015-2019) dashboard lights are flickering what's wrong

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

521 words

Problem Statement

Learn how to diagnose and fix flickering dashboard lights in Tesla Outback 5th Generation (2015-2019). 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 avoid shock or short circuits.

Symptoms

•Dashboard lights flickering intermittently
•Possible dimming of headlights or interior lights
•Increased frequency of electrical malfunctions (e.g., audio system issues)
•Warning lights illuminated on the dashboard (e.g., battery, check engine)
•Unstable power supply to electronic components

Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Use an OBD-II scanner to check for any stored error codes related to the electrical system.
3
Measure the battery voltage with a multimeter to ensure it is within the normal range (12.4V - 12.7V when not running).
4
Inspect the alternator output using a multimeter while the engine is running to confirm proper charging (should be around 13.7V - 14.7V).
5
Check the fuses related to the dashboard and lighting systems for any blown fuses.
6
Inspect wiring harnesses and connectors for any signs of damage or wear.

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

•OBD-II scanner
•Multimeter
•Socket set
•Wire brush
•Wrench set

Parts Required

•New alternator (if replacement is needed)
•Fuses (if any are blown)

Related Faults

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Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Use an OBD-II scanner to check for any stored error codes related to the electrical system.
3
Measure the battery voltage with a multimeter to ensure it is within the normal range (12.4V - 12.7V when not running).
4
Inspect the alternator output using a multimeter while the engine is running to confirm proper charging (should be around 13.7V - 14.7V).
5
Check the fuses related to the dashboard and lighting systems for any blown fuses.
6
Inspect wiring harnesses and connectors for any signs of damage or wear.

Solution

1. Preparation

Gather tools and ensure the vehicle is parked on a flat surface.
Disconnect the negative terminal of the battery to ensure safety during inspection.

2. Clean Battery Terminals

Remove the battery terminals using a socket set.
Clean the terminals and battery posts with a wire brush to remove corrosion.
Reattach the terminals securely, starting with the positive terminal first.

3. Replace Blown Fuses

Locate the fuse box, which is typically found under the dashboard or in the engine compartment.
Identify and replace any blown fuses related to the dashboard lights or electrical systems using the fuse specifications in the owner's manual.

4. Test and Replace the Alternator (if necessary)

If the alternator output is insufficient, remove the alternator by:
- Disconnecting the electrical connections.
- Removing the serpentine belt using a wrench to release tension.
- Unscrewing any mounting bolts and removing the alternator.
Install the new alternator by reversing the removal steps, ensuring all connections are secure.

5. Reconnect Battery and Test

Reconnect the negative terminal of the battery.
Start the vehicle and observe the dashboard lights for flickering.
Test other electrical components to ensure proper function.