why does my Tesla Model S Original (2012-2020) feel like it’s losing traction

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

633 words

Problem Statement

Learn how to diagnose and fix traction loss issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is securely supported with jack stands before working under it.
•Always wear safety glasses when working with tools.

Symptoms

•Vehicle feels unstable during acceleration
•Warning lights for traction control are illuminated
•Noticeable wheel slip or spinning during acceleration
•Reduced responsiveness when accelerating from a stop
•Unusual noises from the tires or drivetrain
•Decreased performance in wet or slippery conditions

Diagnostic Steps

1
Check tire condition: Inspect tires for uneven wear, proper inflation, and tread depth.
2
Scan for error codes: Use an OBD-II scanner to check for any diagnostic trouble codes related to traction control or the ABS system.
3
Inspect traction control settings: Verify if the traction control system is engaged or if any user settings have been altered.
4
Examine suspension components: Check for any loose or damaged suspension components that could affect handling.
5
Test drive: Perform a controlled test drive in a safe area to recreate the issue and assess the vehicle's behavior.
6
Review software updates: Confirm that the vehicle’s software is up-to-date, as updates can affect traction control performance.

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
•Tire pressure gauge
•Jack
•Jack stands
•Lug wrench
•Tread depth gauge

Parts Required

•Replacement tires (if needed)
•Suspension components (if damaged)

Related Faults

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Symptoms

•Vehicle feels unstable during acceleration

•Warning lights for traction control are illuminated

•Noticeable wheel slip or spinning during acceleration

•Reduced responsiveness when accelerating from a stop

•Unusual noises from the tires or drivetrain

•Decreased performance in wet or slippery conditions

Diagnostic Steps

1
Check tire condition: Inspect tires for uneven wear, proper inflation, and tread depth.
2
Scan for error codes: Use an OBD-II scanner to check for any diagnostic trouble codes related to traction control or the ABS system.
3
Inspect traction control settings: Verify if the traction control system is engaged or if any user settings have been altered.
4
Examine suspension components: Check for any loose or damaged suspension components that could affect handling.
5
Test drive: Perform a controlled test drive in a safe area to recreate the issue and assess the vehicle's behavior.
6
Review software updates: Confirm that the vehicle’s software is up-to-date, as updates can affect traction control performance.

Solution

1. Preparation

Gather tools: OBD-II scanner, tire pressure gauge, jack, jack stands, and a lug wrench.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.

2. Tire Inspection and Replacement

Inspect Tires:
- Check each tire for tread depth using a tread depth gauge; replace tires with less than 3/32" tread.
- Verify tire pressure with a tire pressure gauge and inflate to the recommended PSI.
Replace Tires (if necessary):
- Loosen the lug nuts slightly without removing them.
- Use a jack to lift the vehicle and place jack stands for safety.
- Remove the lug nuts and take off the old tire.
- Install the new tire, hand-tighten the lug nuts, and lower the vehicle.
- Torque the lug nuts to the manufacturer’s specifications (usually around 80-100 ft-lbs).

3. Traction Control System Check

Reset Traction Control System:
- Power off the vehicle completely and restart it.
- Access the vehicle settings on the touchscreen to confirm traction control settings are correctly configured.
Perform Software Update:
- Connect the vehicle to Wi-Fi and check for any available software updates through the settings menu.
- Follow on-screen instructions to install updates if available.

4. Suspension Inspection

Visual Inspection:
- Check for any visible damage or wear on suspension components such as control arms, bushings, and struts.
Replacement of Damaged Parts:
- If any parts are found to be damaged, replace them with OEM or high-quality aftermarket parts.
- Reassemble and ensure everything is tightened to the specified torque settings.