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how to fix the traction control light on my Toyota Corolla E170 (2013-2019)? - Toyota Corolla
Home/Cars/Toyota/Corolla/E170 (2013-2019)/how to fix the traction control light on my Toyota Corolla E170 (2013-2019)?

how to fix the traction control light on my Toyota Corolla E170 (2013-2019)?

Toyota Corolla E170 (2013-2019)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
574 words

Problem Statement

Learn how to diagnose and fix the traction control light issue on your 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems.
  • •Allow the vehicle to cool before working on any brake components.

Symptoms

  • •Traction control light illuminated on the dashboard
  • •Possible loss of traction during acceleration
  • •Engine performance issues, such as stalling or hesitation
  • •Activation of the ABS light (in some cases)
  • •Unresponsive traction control system when activated

Diagnostic Steps

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

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
  • •Socket set
  • •Multimeter
  • •Brake fluid
  • •Funnel

Parts Required

  • •Wheel speed sensor (if found faulty)
  • •Brake fluid (if low or contaminated)
  • •Traction control switch (if faulty)

Additional Information

Affected Component
Electrical
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
3 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is on a flat surface and the engine is turned off.
  • Disconnect the negative battery terminal to prevent any electrical shorts.
2. Inspect and Repair Wheel Speed Sensors
  • Tools Required: Socket set, multimeter.
  • Remove the wheel for better access.
  • Check the wheel speed sensor wiring for any visible damage or disconnection.
  • Use a multimeter to test the sensor’s resistance; compare with manufacturer specifications.
  • If faulty, replace the wheel speed sensor:
    • Disconnect the sensor’s electrical connector.
    • Remove the sensor from its mount (usually requires unscrewing).
    • Install the new sensor, reconnect the electrical connector, and securely mount it.
3. Check and Replace Brake Fluid if Necessary
  • Tools Required: Brake fluid, funnel.
  • Inspect the brake fluid reservoir; if low, refill to the proper level with the recommended brake fluid type.
  • If there is contamination in the fluid, perform a brake fluid flush:
    • Open the brake bleeder valve at each wheel, and pump the brake pedal until clean fluid runs out.
    • Close the valve and repeat for each wheel.
4. Test the Traction Control Switch
  • Tools Required: None.
  • Locate the traction control switch on the dashboard.
  • Check for functionality by pressing the switch and observing any changes in the dashboard indicators.
  • If the switch is inoperative, replace it by removing it from the dashboard panel.
5. Reconnect Battery and Clear Codes
  • Reconnect the negative battery terminal.
  • Use the OBD-II scanner to clear any stored codes related to the traction control system.
  • Start the vehicle and check if the traction control light remains off.