how to fix Tesla Model 3 Highland (2024-present) windshield wipers not working

Solution

1. Preparation

• Tools Required:
  • OBD-II scanner
  • Multimeter
  • Screwdriver set
  • Torque wrench
  • Pliers
• Disconnect the vehicle's 12V battery to ensure safety before working on the electrical components.

2. Check and Replace Fuse

• Locate the fuse box as per the owner's manual.
• Identify the windshield wiper fuse and remove it.
• Inspect the fuse for continuity; replace if blown with a new fuse of the same amperage.

3. Inspect and Replace Wiper Control Stalk

• Remove the steering column covers by unscrewing the screws.
• Disconnect the wiring harness from the wiper control stalk.
• Replace the control stalk with a new component if damaged; reconnect the wiring harness and reassemble the steering column.

4. Test and Replace Wiper Motor

• Reconnect the 12V battery and use a multimeter to check for voltage at the wiper motor connector while activating the wipers.
• If there is no power, further investigate the wiring or switch. If voltage is present but the motor does not activate, remove the motor by unscrewing it from its mount.
• Replace the motor with a new one, ensuring it is properly secured and connected.

5. Reassemble and Clean

• Ensure the wiper linkage is properly connected and free of obstruction.
• Reattach any covers and ensure all screws are tightened to the manufacturer's torque specifications.