how to fix steering wheel controls that are not working in Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

534 words

Problem Statement

Learn how to diagnose and fix non-working steering wheel controls in Tesla Model S (2012-2020). Step-by-step guide with tools and safety tips.

Affected Component

Steering

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on any electrical components, especially the airbag system.
•Allow the vehicle to sit for a few minutes after disconnecting the battery to ensure capacitors discharge.

Symptoms

•Steering wheel buttons unresponsive
•Inability to adjust audio volume or change tracks
•Cruise control settings cannot be modified
•No feedback from haptic buttons
•Steering wheel control error messages on the display

Diagnostic Steps

1
Inspect the steering wheel for any visible damage or wear.
2
Check the vehicle's software version and ensure it is up to date.
3
Inspect the steering column wiring harness for loose connections or damage.
4
Use the vehicle’s touchscreen to access the ‘Service’ menu and check for any error codes related to steering controls.
5
Perform a reset of the vehicle’s infotainment system by holding down the two scroll wheels on the steering wheel until the screen resets.
6
Test the steering wheel controls after each step to identify if functionality is restored.

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

•Socket set
•Torx screwdriver
•Multimeter

Parts Required

•Steering wheel control module (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Inspect the steering wheel for any visible damage or wear.
2
Check the vehicle's software version and ensure it is up to date.
3
Inspect the steering column wiring harness for loose connections or damage.
4
Use the vehicle’s touchscreen to access the ‘Service’ menu and check for any error codes related to steering controls.
5
Perform a reset of the vehicle’s infotainment system by holding down the two scroll wheels on the steering wheel until the screen resets.
6
Test the steering wheel controls after each step to identify if functionality is restored.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the vehicle’s battery to ensure safety during repairs.
Tools Required: Socket set, Torx screwdriver, multimeter.

2. Remove Steering Wheel

a. Use a Torx screwdriver to remove the screws securing the airbag cover.
b. Disconnect the airbag connector; be cautious as the airbag is sensitive.
c. Remove the central nut securing the steering wheel using a socket wrench.
d. Carefully pull the steering wheel off the column, ensuring not to damage any connectors.

3. Inspect and Repair Wiring

a. Visually inspect the wiring harness connected to the steering wheel for any frays or disconnections.
b. Use a multimeter to test continuity in the wiring; repair or replace any damaged wires.
c. Ensure that all connectors are securely fastened and free of corrosion.

4. Replace Steering Wheel Controls (if necessary)

a. If the controls are faulty, remove the old control module by unscrewing it from the steering wheel.
b. Install the new control module by securing it in place with screws.
c. Reconnect any wiring harnesses to the new module.

5. Reassemble Steering Wheel

a. Reattach the steering wheel to the column and secure it with the central nut (torque to manufacturer's specifications).
b. Reconnect the airbag connector and reattach the airbag cover, securing it with screws.
c. Reconnect the vehicle’s battery.