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Home/Cars/Skoda/Octavia/NFL (2020-Present)/my Skoda Octavia NFL (2020-Present) interior lights stay on when the car is off

my Skoda Octavia NFL (2020-Present) interior lights stay on when the car is off

Skoda Octavia NFL (2020-Present)

Error Codes
Severity: mediumDifficulty: medium1-2 hours
3 min read
523 words

Problem Statement

Learn how to diagnose and fix the issue of interior lights staying on in Skoda Octavia NFL (2020-present). Step-by-step guide with diagnostic procedures and repair instructions.

Component
Electrical
Repair Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems to prevent short circuits.

Symptoms

  • •Interior lights do not turn off when the car is off
  • •Battery drainage occurs after the car is parked for an extended period
  • •Door ajar indicator remains illuminated on the dashboard
  • •Possible intermittent flickering of interior lights when the car is off
  • •Malfunctioning or unresponsive door switches

Diagnostic Steps

  1. 1Inspect the door switches for any signs of damage or misalignment.
  2. 2Check the vehicle's settings through the infotainment system to ensure interior lights are set to 'off' when doors are closed.
  3. 3Use an OBD-II scanner to check for any fault codes related to the body control module (BCM).
  4. 4Test the battery voltage with a multimeter to determine if the battery is being drained.
  5. 5Examine the wiring harness and connectors for any signs of wear or corrosion around the door areas.

Solution

Solution

1. Preparation

  • Tools Required: Socket set, multimeter, OBD-II scanner, flathead screwdriver, Torx screwdriver.
  • Disconnect the negative battery terminal to prevent electrical shorts during the repair.

2. Inspect and Replace Door Switches

  1. Remove the door panel using a flathead screwdriver and Torx screwdriver.
  2. Locate the door switch; it is typically situated near the door latch.
  3. Disconnect the wiring harness from the door switch.
  4. Test the switch using a multimeter to check for continuity. If the switch is faulty, replace it.
  5. Reinstall the new door switch and reconnect the wiring harness.
  6. Reattach the door panel securely.

3. Check Body Control Module (BCM) Settings

  1. Reconnect the negative battery terminal.
  2. Start the vehicle and access the settings menu through the infotainment system.
  3. Navigate to the lighting settings and ensure the interior lights are configured to turn off with the vehicle.
  4. If settings are incorrect, adjust them accordingly and save changes.

4. Examine Wiring and Connectors

  1. Inspect the wiring harness leading to the door switches and BCM for any frayed wires or corrosion.
  2. Repair or replace any damaged wiring or connectors as necessary.
  3. Ensure all connections are secure and free from moisture.

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

  • Socket set
  • Multimeter
  • OBD-II scanner
  • Flathead screwdriver
  • Torx screwdriver

Parts Required

  • Door switch (if faulty)

Additional Information

Component

Electrical

Repair Time

1-2 hours

Difficulty

medium

Severity

medium

Tools

5 items

Parts

1 items

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