my Tesla Outback 5th Generation (2015-2019) dashboard lights flicker when driving

Subaru Outback 5th Generation (2015-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

506 words

Problem Statement

Learn how to diagnose and fix dashboard lights flickering in Tesla Outback 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

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool down before inspecting components.

Symptoms

•Dashboard lights flicker intermittently
•Possible dimming of headlights
•Electrical components (e.g., radio, navigation) glitching or resetting
•Warning lights may illuminate temporarily
•Battery warning message on the display

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to determine if there are any logged issues.
2
Inspect the vehicle's battery connections for corrosion or looseness.
3
Check the battery voltage with a multimeter to ensure it is within the normal range (12.4V - 12.7V when off, 13.7V - 14.7V when running).
4
Inspect the alternator for proper output and functionality.
5
Check for any damaged wiring or connectors related to the dashboard and electrical system.
6
Test the fuses associated with the dashboard and lighting systems for continuity.

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
•Flashlight
•Wire brush

Parts Required

•Replacement battery (if necessary)
•Replacement alternator (if necessary)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to determine if there are any logged issues.
2
Inspect the vehicle's battery connections for corrosion or looseness.
3
Check the battery voltage with a multimeter to ensure it is within the normal range (12.4V - 12.7V when off, 13.7V - 14.7V when running).
4
Inspect the alternator for proper output and functionality.
5
Check for any damaged wiring or connectors related to the dashboard and electrical system.
6
Test the fuses associated with the dashboard and lighting systems for continuity.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, flashlight, and safety gloves.
Ensure the vehicle is parked on a flat surface and the ignition is turned off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Clean Battery Connections

Locate the battery under the hood.
Remove the positive (+) terminal followed by the negative (-) terminal.
Clean the battery terminals with a wire brush to remove any corrosion.
Reconnect the negative terminal first, then the positive terminal.

3. Test the Battery

Reconnect the negative battery terminal and start the vehicle.
Use a multimeter to measure the battery voltage. If the voltage is low, replace the battery.
If the voltage is acceptable, proceed to check the alternator.

4. Check the Alternator

With the vehicle running, measure the voltage at the battery again. It should read between 13.7V and 14.7V.
If the voltage is outside this range, the alternator may need to be repaired or replaced.

5. Inspect Wiring and Fuses

Visually inspect wiring harnesses for any signs of wear, fraying, or damage.
Locate the fuse box and check for any blown fuses related to the dashboard and lighting systems. Replace as necessary.