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my Volkswagen Golf MK7 (2015-2019) brake light is always on what's wrong - Volkswagen Golf
Home/Cars/Volkswagen/Golf/MK7 (2015-2019)/my Volkswagen Golf MK7 (2015-2019) brake light is always on what's wrong

my Volkswagen Golf MK7 (2015-2019) brake light is always on what's wrong

Volkswagen Golf MK7 (2015-2019)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
512 words

Problem Statement

Learn how to diagnose and fix the brake light issue on your 2015-2019 Volkswagen Golf MK7. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Brakes
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Ensure the vehicle is on a flat surface and the ignition is turned off before starting.
  • •Disconnect the battery before working on electrical systems to avoid shorts.
  • •Allow the vehicle to cool down before performing any inspections.

Symptoms

  • •Brake light remains illuminated even when the vehicle is not in operation
  • •Possible warning light on the dashboard
  • •Brake pedal feels unresponsive or spongy
  • •Increased brake fluid consumption
  • •Unusual noises when applying brakes

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

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
  • •Socket set
  • •Screwdrivers
  • •Brake fluid

Parts Required

  • •Brake light switch (if needed)
  • •Brake fluid (if needed)

Additional Information

Affected Component
Brakes
Estimated Time
1-2 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
2 items

Related Faults

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Solution
1. Preparation
  • Tools Required: OBD-II scanner, multimeter, socket set, screwdrivers, brake fluid.
  • Safety Warnings: Ensure the vehicle is on a flat surface and the ignition is turned off before starting.
2. Check Brake Fluid Level
  • Open the hood and locate the brake fluid reservoir.
  • Verify the fluid level; it should be between the minimum and maximum marks.
  • If low, top off with the appropriate brake fluid type (usually DOT 4 for VW).
3. Inspect and Adjust Brake Light Switch
  • Locate the brake light switch, typically mounted on the brake pedal assembly.
  • Disconnect the electrical connector from the switch.
  • Check the switch for proper operation by pressing the switch manually.
  • If faulty, remove the switch using a socket set and replace it with a new one.
  • Reconnect the electrical connector and ensure the switch activates correctly when the brake pedal is pressed.
4. Clear Fault Codes
  • Use the OBD-II scanner to check for any fault codes related to the brake system.
  • If codes are present, follow the scanner's instructions to clear them after addressing any underlying issues.
5. Verify Wiring and Connectors
  • Inspect the wiring harness and connectors leading to the brake lights for any signs of wear, damage, or corrosion.
  • Repair or replace any damaged wiring or connectors as necessary.