FAULTBASE
Error CodesASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Volkswagen/Golf/MK7 (2015-2019)/how to fix C1170 error code on my Volkswagen Golf MK6 (2009-2014)

how to fix C1170 error code on my Volkswagen Golf MK6 (2009-2014)

Volkswagen Golf MK7 (2015-2019)

Error Codes
Severity: highDifficulty: mediumError Code: C11701-2 hours
3 min read
543 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 C1170 brake system issue in Volkswagen Golf MK6. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
C1170
Affected Component
Brakes
Estimated Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems to prevent shock or short circuits.
  • ⚠Ensure the vehicle is securely supported when working underneath.

Symptoms

  • •Check engine light illuminated
  • •ABS warning light activated
  • •Unresponsive brake pedal in certain conditions
  • •Erratic behavior of the brake system (e.g., unexpected braking)
  • •Potential loss of traction control functionality

Diagnostic Steps

  1. 1Scan the vehicle's OBD-II system to confirm the C1170 error code and check for any additional codes.
  2. 2Inspect the brake pedal position sensor for physical damage or disconnection.
  3. 3Check the wiring and connectors associated with the brake pedal position sensor for corrosion or shorts.
  4. 4Test the brake pedal position sensor using a multimeter to measure resistance values according to the manufacturer's specifications.
  5. 5Inspect the brake system for any related issues such as low brake fluid or faulty ABS module.
  6. 6Verify that the brake light switches are functioning correctly and are not causing false signals.

Solution

Solution

1. Preparation

  • Gather tools and parts needed for the repair.
  • Tools Required: OBD-II scanner, multimeter, socket set, screwdrivers, wiring diagram for reference.
  • Ensure the vehicle is parked on a level surface and the ignition is off.

2. Inspect and Access the Brake Pedal Position Sensor

  • Remove the under-dash cover to access the brake pedal assembly.
  • Locate the brake pedal position sensor attached to the brake pedal.

3. Test the Brake Pedal Position Sensor

  • Use a multimeter to measure the resistance across the sensor terminals while pressing and releasing the brake pedal.
  • Compare the readings with the specifications in the service manual. Replace the sensor if readings are outside the acceptable range.

4. Repair or Replace Damaged Wiring

  • Inspect the wiring harness for any signs of wear, corrosion, or damage.
  • If damage is found, repair the wiring using appropriate connectors and electrical tape, ensuring to cover any exposed areas thoroughly.

5. Reassemble Components

  • Reinstall the brake pedal position sensor if it was removed or replaced.
  • Secure all connectors and wiring to prevent future issues.
  • Replace the under-dash cover.

6. Clear Error Codes

  • Use the OBD-II scanner to erase the C1170 error code from the vehicle’s computer.
  • Start the engine and ensure the dashboard lights are functioning correctly.

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

Parts Required

  • •Brake pedal position sensor (if replacement is necessary)
  • •Electrical connectors (if wiring repair is needed)

Additional Information

Error Code
C1170
Affected Component
Brakes
Estimated Time
1-2 hours
Difficulty
medium
Severity
high
Tools Required
4 items
Parts Required
2 items

Related Faults

  1. why is my Volkswagen Golf MK7 (2015-2019) making a grinding noise when I brake?

    Learn how to diagnose and fix grinding noise when braking in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with diagnostic procedures and repair instructions.

    Brakes5 symptoms
  2. why is my Volkswagen Golf MK7 (2015-2019) consuming so much oil?

    Learn how to diagnose and fix excessive oil consumption in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with diagnostic procedures and repair instructions.

    Engine5 symptoms
  3. my Volkswagen Golf MK7 (2015-2019) has a clicking noise when turning, what does this indicate?

    Learn how to diagnose and fix clicking noise when turning in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with diagnostic procedures and repair instructions.

    Suspension5 symptoms
  4. Volkswagen Golf MK7 (2015-2019) won’t start, just clicks, what can I do?

    Learn how to diagnose and fix the no-start issue in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Electrical5 symptoms
  5. Volkswagen Golf MK7 (2015-2019) overheating issues, how to troubleshoot?

    Learn how to troubleshoot and fix overheating issues in Volkswagen Golf MK7 (2015-2019). Step-by-step diagnostic and repair instructions included.

    Cooling System6 symptoms
  6. Volkswagen Golf MK7 (2015-2019) AC not blowing cold air, what should I check?

    Learn how to diagnose and fix AC not blowing cold air in Volkswagen Golf MK7. Step-by-step guide with diagnostic procedures and repair instructions.

    HVAC6 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