Skoda Octavia NFL (2020-Present) dashboard lights flickering what's wrong

Solution

1. Preparation

• Gather tools and materials.
• Tools Required: Multimeter, OBD-II scanner, socket set, torque wrench.
• Safety Warnings: Disconnect the battery before working on electrical systems.

2. Battery Inspection

• Remove the battery cover if applicable.
• Sub-steps:
  • Disconnect the negative terminal first, followed by the positive terminal.
  • Clean any corrosion from the terminals using a wire brush.
  • Securely reconnect the terminals, ensuring they are tight.

3. Alternator Testing

• Reconnect the battery terminals.
• Start the engine and use a multimeter to check the alternator output.
• Sub-steps:
  • Connect the multimeter’s red lead to the positive terminal and the black lead to the negative terminal.
  • Rev the engine slightly; the reading should be between 13.7V and 14.7V.
  • If the voltage is low, replace the alternator.

4. Fuse and Wiring Inspection

• Locate the fuse box and remove the cover.
• Sub-steps:
  • Identify and check the fuses related to the dashboard and electrical components.
  • Replace any blown fuses with the exact amperage rating.
  • Inspect wiring harness for loose connections or damage; repair or replace as necessary.

5. Final Checks

• Reassemble any components removed during the process.
• Sub-steps:
  • Reconnect the battery ensuring proper order (positive first, then negative).
  • Start the vehicle and observe dashboard lights for flickering.