what causes the ABS light to stay on in my Volkswagen Golf Eighth Generation (2020-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the ignition is off.
• Disconnect the battery to prevent electrical shorts.

2. Check and Replace ABS Fuse

• Locate the fuse box and identify the ABS fuse using the diagram on the cover.
• Remove the ABS fuse with a fuse puller.
• Inspect the fuse; replace it if blown with one of the same amperage.

3. Inspect Wheel Speed Sensors

• Lift the vehicle and secure it on jack stands.
• Remove the wheel to gain access to the wheel speed sensor.
• Clean the sensor and its mounting area to remove any debris.
• Reconnect any loose or damaged wiring to the sensor. Replace the sensor if damaged.

4. Test ABS Module Voltage

• Reconnect the battery and start the vehicle.
• Use a multimeter to measure the voltage at the ABS module connector while a helper operates the brake pedal.
• Compare the readings to the manufacturer specifications; replace the ABS module if it does not meet them.

5. Brake Fluid Inspection

• Check the brake fluid reservoir for the correct level and condition.
• If the fluid is low, top it off with the manufacturer-recommended brake fluid.
• If the fluid is contaminated, perform a brake fluid flush and replace it.