why are my dashboard lights flickering in Tesla Outback 5th Generation (2015-2019)

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

508 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

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the hood.

Symptoms

•Dashboard lights flickering intermittently
•Dimming or brightening of interior lights
•Possible warning lights illuminated on the dashboard
•Electrical components (e.g., radio, navigation) malfunctioning
•Difficulty starting the vehicle (if related to battery)

Diagnostic Steps

1
Inspect the battery condition and connections for corrosion or looseness.
2
Scan the vehicle's computer system with an OBD-II scanner for any error codes.
3
Check the alternator output using a multimeter to ensure it is charging properly.
4
Examine the fuse box for blown fuses or faulty relays.
5
Inspect wiring harnesses for damage, fraying, or loose connections.

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

•Wire brush
•Wrench set
•Multimeter
•Fuse puller or needle-nose pliers
•OBD-II scanner

Parts Required

•Replacement fuses (if any are blown)
•Battery terminals (if corrosion is severe)
•Alternator (if testing shows it is faulty)

Related Faults

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Diagnostic Steps

1
Inspect the battery condition and connections for corrosion or looseness.
2
Scan the vehicle's computer system with an OBD-II scanner for any error codes.
3
Check the alternator output using a multimeter to ensure it is charging properly.
4
Examine the fuse box for blown fuses or faulty relays.
5
Inspect wiring harnesses for damage, fraying, or loose connections.

Solution

1. Preparation

Gather tools and parts required.
Safety gear: gloves and safety glasses.
Ensure the vehicle is parked on a flat surface and the engine is off.

2. Inspect and Clean Battery Connections

Sub-steps:
1. Open the hood and locate the battery.
2. Disconnect the negative terminal first, then the positive terminal.
3. Clean the battery terminals and cable ends with a wire brush to remove corrosion.
4. Reconnect the positive terminal first, followed by the negative terminal.
Tools Required: Wire brush, wrench set.

3. Test the Alternator

Sub-steps:
1. Start the vehicle and set the multimeter to DC voltage.
2. Place the multimeter probes on the battery terminals (positive to positive, negative to negative).
3. A reading of 13.7 to 14.7 volts indicates proper alternator function.
4. If the reading is below 13.7 volts, the alternator may need replacement.
Tools Required: Multimeter.

4. Replace Blown Fuses or Faulty Relays

Sub-steps:
1. Locate the fuse box and remove the cover.
2. Identify any blown fuses by looking for a broken filament.
3. Replace any blown fuses with the same amperage rating.
4. Check relays by swapping with similar relays in the fuse box.
Tools Required: Fuse puller or needle-nose pliers.

5. Inspect Wiring Harnesses

Sub-steps:
1. Visually inspect the wiring harnesses for any visible damage.
2. Tug gently on wires to check for loose connections.
3. Repair or replace any damaged wires.
Tools Required: Electrical tape, wire connectors.