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my Tesla Model 3 Original (2017-2023) traction control light keeps coming on, what's wrong? - Tesla Model 3
Home/Cars/Tesla/Model 3/Highland (2024-present)/my Tesla Model 3 Original (2017-2023) traction control light keeps coming on, what's wrong?

my Tesla Model 3 Original (2017-2023) traction control light keeps coming on, what's wrong?

Tesla Model 3 Highland (2024-present)

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

Problem Statement

Learn how to diagnose and fix traction control light issues in Tesla Model 3 (2017-2023). Step-by-step guide with symptoms, diagnostics, and solutions.

Affected Component
Brakes
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems.
  • •Always secure the vehicle on jack stands before working underneath.

Symptoms

  • •Traction control light illuminated on the dashboard
  • •Diminished acceleration or power delivery
  • •Unusual wheel spin or slipping during acceleration
  • •Regenerative braking may be reduced or disabled
  • •Warning messages on the display related to traction control

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
  • •Jack and jack stands
  • •Electrical contact cleaner
  • •Tire pressure gauge

Parts Required

  • •Wheel speed sensor (if faulty)
  • •Brake fluid (if low)

Additional Information

Affected Component
Brakes
Estimated Time
1-3 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather tools and parts.
  • Ensure the vehicle is parked on a level surface and the ignition is off.
2. Scan for Error Codes
  • Connect the OBD-II scanner to the vehicle's diagnostic port.
  • Turn the ignition to the "On" position without starting the engine.
  • Retrieve and record any error codes related to the traction control system.
3. Inspect Wheel Speed Sensors
  • Lift the vehicle using a jack and secure it with jack stands.
  • Remove the wheel to access the wheel speed sensor.
  • Disconnect the sensor connector and visually inspect the wiring for damage.
  • Clean the sensor with electrical contact cleaner if dirt or debris is present.
  • Reconnect the sensor and reinstall the wheel.
4. Check ABS Module
  • Locate the ABS module in the vehicle.
  • Inspect the wiring harness for any signs of wear or disconnection.
  • If error codes indicate a malfunctioning ABS module, consider replacement.
5. Brake Fluid Inspection
  • Open the hood and locate the brake fluid reservoir.
  • Check the fluid level; if it is low, top it off with the manufacturer-recommended brake fluid.
  • Inspect for any leaks in brake lines or connections.
6. Tire Inspection
  • Check each tire for uneven wear patterns and ensure they are inflated to the correct pressure.
  • Rotate or replace tires as necessary to maintain even traction.