how to fix the dashboard lights flickering in my Tesla Outback 5th Generation (2015-2019)

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

523 words

Problem Statement

Learn how to diagnose and fix dashboard lights flickering in Tesla Outback 5th Generation. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shocks or shorts
•Ensure the engine is off and cool before attempting to remove the alternator

Symptoms

•Dashboard lights flickering intermittently
•Possible accompanying dimming of lights
•Warning lights illuminated on the dashboard
•Radio and infotainment system glitching
•Unresponsive steering wheel controls

Diagnostic Steps

1
Inspect the vehicle's battery voltage using a multimeter to ensure it is within the normal range (12.6-12.8 volts)
2
Check for loose or corroded battery terminals and clean or tighten as necessary
3
Scan the vehicle's onboard computer with an OBD-II scanner for any error codes related to the electrical system
4
Inspect the wiring harness and connectors leading to the dashboard for any signs of wear, damage, or loose connections
5
Test the alternator output to ensure it is functioning correctly (13.7-14.7 volts when the engine is running)
6
Verify the ground connections for the dashboard system to ensure they are secure and free from corrosion

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

•Multimeter
•OBD-II scanner
•Socket set
•Wire brush
•Dielectric grease

Parts Required

•Electrical tape (if needed)
•Alternator (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Inspect the vehicle's battery voltage using a multimeter to ensure it is within the normal range (12.6-12.8 volts)
2
Check for loose or corroded battery terminals and clean or tighten as necessary
3
Scan the vehicle's onboard computer with an OBD-II scanner for any error codes related to the electrical system
4
Inspect the wiring harness and connectors leading to the dashboard for any signs of wear, damage, or loose connections
5
Test the alternator output to ensure it is functioning correctly (13.7-14.7 volts when the engine is running)
6
Verify the ground connections for the dashboard system to ensure they are secure and free from corrosion

Solution

1. Preparation

Gather tools: socket set, multimeter, OBD-II scanner, wire brush, dielectric grease.
Disconnect the vehicle's battery to ensure safety while working on electrical components.

2. Clean Battery Terminals

Remove the battery terminals using the socket set.
Clean the terminals and battery posts with a wire brush to remove corrosion.
Apply dielectric grease to the terminals to prevent future corrosion before reattaching.

3. Inspect and Repair Wiring

Locate the wiring harness connected to the dashboard.
Examine for any visible damage, fraying, or loose connections.
Repair any damaged wires using electrical tape or replace the wiring harness if necessary.

4. Test and Replace Alternator (if needed)

Use a multimeter to measure the alternator's voltage output while the engine is running.
If the output is below the normal range, disconnect the battery again and remove the alternator using the socket set.
Replace the alternator with a new or refurbished unit, ensuring all bolts are torqued to manufacturer specifications.

5. Reconnect Battery and Test

Reconnect the battery terminals securely.
Start the vehicle and observe the dashboard lights for flickering.
Use the OBD-II scanner to check for any remaining error codes.