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

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.