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Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/how to fix the cruise control not working on my Tesla Model S Original (2012-2020)?

how to fix the cruise control not working on my Tesla Model S Original (2012-2020)?

Tesla Model S Plaid/Refresh (2021-present)

Severity: mediumDifficulty: medium1-2 hours
3 min read
484 words

Problem Statement

Learn how to diagnose and fix cruise control issues in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and solutions.

Component
Electrical
Repair Time
1-2 hours

Safety Warnings

  • ⚠Disconnect the 12V battery before working on electrical components.

Symptoms

  • •Cruise control indicator light not illuminated
  • •Inability to set or resume cruise control speed
  • •Sudden disengagement of cruise control while driving
  • •Unresponsive cruise control stalk or controls
  • •Autopilot features disabled or not functioning

Diagnostic Steps

  1. 1Check for any error messages or alerts on the vehicle’s touchscreen.
  2. 2Inspect the cruise control stalk and ensure it is not physically damaged or obstructed.
  3. 3Verify that the vehicle's software is up to date by checking in the settings menu.
  4. 4Perform a system reset by powering off the vehicle and then restarting it.
  5. 5Use the Tesla app or interface to check for any fault codes related to the cruise control system.
  6. 6Examine vehicle sensors (e.g., radar, cameras) for cleanliness and proper alignment.

Solution

Solution

1. Preparation

  • Gather necessary tools: Tesla mobile app, cleaning cloth, and perhaps a soft brush for sensor cleaning.
  • Ensure the vehicle is parked safely and turned off.

2. Update Software

  • Connect the vehicle to Wi-Fi.
  • On the touchscreen, navigate to 'Software' and check for updates.
  • If an update is available, follow the on-screen instructions to install it.

3. Inspect and Clean Sensors

  • Locate the radar sensor located behind the front grille.
  • Use a cleaning cloth to gently clean the radar sensor surface.
  • Inspect the front camera (if applicable) for any obstructions; clean it if necessary.

4. Cruise Control Stalk Inspection

  • If the stalk is damaged, remove it:
    • Disconnect the 12V battery (safety warning).
    • Remove the steering wheel cover and the screws securing the stalk.
    • Disconnect the wiring harness and replace the stalk with a new one.
  • Reassemble the steering wheel cover and reconnect the battery.

5. System Reset

  • With the vehicle in Park, go to the touchscreen.
  • Tap 'Controls' > 'Safety & Security' > 'Power Off'.
  • Wait for a few minutes, then press the brake pedal to power the vehicle back on.

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

  • Tesla mobile app
  • Cleaning cloth
  • Soft brush (optional)

Parts Required

  • New cruise control stalk (if damaged)

Additional Information

Component

Electrical

Repair Time

1-2 hours

Difficulty

medium

Severity

medium

Tools

3 items

Parts

1 items

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