Skoda Octavia NFL (2020-Present) battery drains when parked overnight

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, ammeter, socket set, wire strippers and connectors.
• Disconnect the negative battery terminal to ensure safety while working on the electrical system.

2. Replace Faulty Components

• Sub-steps:
  1. If a specific component is identified (e.g., a faulty relay or module), remove it according to manufacturer specifications.
  2. Install the new part, ensuring proper alignment and connection.
  3. Reconnect any harnesses and secure with clips or bolts, adhering to torque specifications if applicable.

3. Repair Wiring Issues

• Sub-steps:
  1. If damaged wiring is found, cut out the affected section and strip the insulation from the ends.
  2. Twist the wires together securely and cover with heat-shrink tubing or electrical tape to insulate.
  3. Secure the wiring back in place to prevent movement and potential future damage.

4. Reconnect Battery

• Reattach the negative battery terminal and ensure it is tightened securely.

5. Test Repair

• Start the vehicle and monitor electrical systems to ensure proper operation.