Skoda Octavia NFL (2020-Present) dashboard lights flickering, what does it mean?

Solution

1. Preparation

• Gather tools: OBD-II scanner, multimeter, socket set, and cleaning materials.
• Ensure the vehicle is turned off and parked on a flat surface.

2. Battery Terminal Inspection

• Sub-steps:
  1. Open the hood and locate the battery.
  2. Disconnect the negative terminal first, followed by the positive terminal.
  3. Inspect terminals for corrosion; clean with a wire brush and a mixture of baking soda and water if necessary.
  4. Reconnect the positive terminal first, followed by the negative terminal.
• Tools Required: Wire brush, baking soda, water, wrench set.

3. Battery and Alternator Testing

• Sub-steps:
  1. Use a multimeter to measure the battery voltage at rest.
  2. Start the engine and measure the voltage again; it should be higher than the resting voltage.
  3. If the alternator is not charging properly, replace it.
• Tools Required: Multimeter.

4. Wiring and Fuse Inspection

• Sub-steps:
  1. Visually inspect wiring harnesses for frayed wires or loose connections.
  2. Remove and check fuses related to dashboard lights, replacing any that are blown.
• Tools Required: Fuse puller or needle-nose pliers.