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why does my Tesla Model Y have intermittent wipers not working - Tesla Model Y
Home/Cars/Tesla/Model Y/Current (2020-present)/why does my Tesla Model Y have intermittent wipers not working

why does my Tesla Model Y have intermittent wipers not working

Tesla Model Y Current (2020-present)

Error Codes
1-2 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
525 words

Problem Statement

Learn how to diagnose and fix intermittent wipers not working on Tesla Model Y. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component
Electrical
Estimated Time
1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems to avoid shocks or shorts.

Symptoms

  • •Intermittent wipers do not activate when set to the intermittent mode
  • •Wipers operate continuously regardless of settings
  • •Wipers do not respond to the wiper stalk controls
  • •No error messages displayed on the dashboard
  • •Wipers may function normally in low or high-speed settings

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

  • •Tesla diagnostic tool
  • •Multimeter
  • •Basic hand tools (screwdriver set, pliers)

Parts Required

  • •Wiper stalk (if defective)
  • •Wiper relay (if faulty)
  • •Wiper motor (if defective)

Additional Information

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

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Solution
1. Preparation
  • Gather tools: Tesla diagnostic tool, multimeter, basic hand tools (screwdriver set, pliers).
  • Ensure the vehicle is parked on a level surface and switch off the ignition.
  • Disconnect the negative battery terminal to prevent electrical shorts.
2. Inspect the Wiper Stalk
  • Remove the steering column cover using the screwdriver.
  • Disconnect the wiper stalk connector.
  • Use a multimeter to test the continuity of the stalk switches. Replace if defective.
3. Check the Wiper Relay
  • Locate the fuse box and find the wiper relay.
  • Remove the relay and test it with a multimeter for continuity.
  • Replace the relay if it fails the continuity test.
4. Inspect the Wiper Motor Connections
  • Reconnect the battery temporarily.
  • Access the wiper motor by removing the plastic cover at the base of the windshield.
  • Check all electrical connections for tightness and signs of corrosion. Clean or repair as necessary.
5. Test the Wiper Motor
  • Disconnect the wiper motor connector.
  • Using a multimeter, check for voltage at the motor connector when the wiper switch is activated.
  • If voltage is present and the motor does not operate, replace the wiper motor.
6. Update Software (if necessary)
  • Reconnect the negative battery terminal.
  • Use the Tesla diagnostic tool to check for software updates.
  • If updates are available, follow prompts to install the latest software.