FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Skoda/Octavia/NFL (2020-Present)/my Skoda Octavia NFL (2020-Present) ABS light is on, what should I do?

my Skoda Octavia NFL (2020-Present) ABS light is on, what should I do?

Skoda Octavia NFL (2020-Present)

Error Codes
Severity: highDifficulty: medium2-4 hours
3 min read
575 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix the ABS light issue in Skoda Octavia NFL (2020-Present). Step-by-step guide with diagnostic procedures and repair instructions.

Component
Brakes
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical components to prevent short circuits.
  • ⚠Allow the vehicle to cool before inspecting brake components to avoid burns.

Symptoms

  • •ABS warning light illuminated on the dashboard
  • •Reduced braking performance or response
  • •Increased stopping distances
  • •Brake pedal feels spongy or unresponsive
  • •Possible traction control light also illuminated

Diagnostic Steps

  1. 1Scan the vehicle’s onboard computer using an OBD-II scanner to check for any stored error codes related to the ABS system.
  2. 2Inspect the ABS fuse and relay for continuity and proper function.
  3. 3Check the wheel speed sensors for any physical damage or disconnection.
  4. 4Inspect the ABS control module wiring for any visible damage or corrosion.
  5. 5Test the brake fluid level and condition, ensuring it is within the recommended range and free of contaminants.

Solution

Solution

1. Preparation

  • Tools Required: OBD-II scanner, multimeter, basic hand tools.
  • Ensure the vehicle is parked on a flat surface and the engine is turned off.
  • Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Wheel Speed Sensors

  • Tools Required: Socket set, torque wrench.
  • Locate the wheel speed sensors at each wheel hub.
  • Remove any protective covers or clips holding the sensors in place.
  • Disconnect the electrical connector from the sensor.
  • Remove the sensor from the hub assembly and inspect for damage.
  • If damaged, install a new wheel speed sensor, ensuring it is secured and connected properly.
  • Reconnect the battery.

3. Repair or Replace ABS Control Module

  • Tools Required: Torque wrench, socket set.
  • Locate the ABS control module, often situated near the brake master cylinder or under the vehicle.
  • Disconnect the wiring harness from the module, ensuring no pins are bent.
  • Inspect the module for corrosion or damage; if found, replace with a new module.
  • Reinstall the new module, ensuring all connections are secure.
  • Reconnect the battery and clear any stored error codes using the OBD-II scanner.

4. Brake Fluid Check and Replacement

  • Tools Required: Brake fluid bleeder kit, container for old fluid.
  • Check the brake fluid reservoir and top off with the recommended fluid (usually DOT 4).
  • If the fluid is contaminated, perform a brake fluid flush to replace old fluid with new.
  • Ensure all brake lines are free from leaks.

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

  • OBD-II scanner
  • Multimeter
  • Basic hand tools
  • Socket set
  • Torque wrench
  • Brake fluid bleeder kit

Parts Required

  • Wheel speed sensor (if faulty)
  • ABS control module (if faulty)
  • Brake fluid (DOT 4)

Additional Information

Component

Brakes

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

6 items

Parts

3 items

Related Faults

  1. my Skoda Octavia dashboard lights are flickering what's happening

    Learn how to diagnose and fix flickering dashboard lights in Skoda Octavia. Step-by-step guide with diagnostic procedures and repair instructions.

    Electrical5 symptoms
  2. why does my Skoda Octavia smell like burnt rubber when driving

    Learn how to diagnose and fix burnt rubber smell in Skoda Octavia. Step-by-step guide with diagnostic procedures and repair instructions.

    Brakes5 symptoms
  3. my Skoda Octavia shakes when I brake, what should I check?

    Learn how to diagnose and fix brake shaking issues in Skoda Octavia. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Brakes5 symptoms
  4. why does my Skoda Octavia smell like burning rubber while driving

    Learn how to diagnose and fix the burning rubber smell in your Skoda Octavia. Step-by-step guide with diagnostic procedures and repair instructions.

    Brakes5 symptoms
  5. why does my Skoda Octavia smell like gas

    Learn how to diagnose and fix gasoline odor issues in Skoda Octavia. Step-by-step guide with diagnostic procedures and repair instructions.

    Fuel System5 symptoms
  6. what does it mean if my Skoda Octavia shows a low oil pressure warning

    Learn how to diagnose and fix low oil pressure warning in Skoda Octavia. Step-by-step guide with diagnostic procedures and repair instructions.

    Engine5 symptoms

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation