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Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/my Tesla Model S Plaid/Refresh (2021-present) has a persistent error code P0135, how do I fix it?

my Tesla Model S Plaid/Refresh (2021-present) has a persistent error code P0135, how do I fix it?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes
Severity: mediumDifficulty: mediumError Code: P01352-4 hours
3 min read
538 words

Problem Statement

Learn how to diagnose and fix P0135 oxygen sensor heater issue in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0135
Affected Component
Exhaust System
Estimated Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the engine to cool before working on exhaust components.

Symptoms

  • •Check engine light illuminated
  • •Reduced engine efficiency
  • •Possible increase in emissions
  • •Poor acceleration performance
  • •Engine running rough during cold starts

Diagnostic Steps

  1. 1Scan the vehicle using an OBD-II scanner to confirm the P0135 error code and check for any additional codes.
  2. 2Inspect the wiring and connectors related to the Bank 1 Sensor 1 oxygen sensor for any visible damage, corrosion, or loose connections.
  3. 3Measure the resistance of the oxygen sensor heater circuit using a multimeter to ensure it falls within the manufacturer's specifications.
  4. 4Check the fuse related to the oxygen sensor heater circuit for continuity and functionality.
  5. 5Test the voltage supply to the oxygen sensor heater circuit while the engine is running to ensure proper voltage is present.
  6. 6Visually inspect the exhaust system for any leaks that may affect oxygen sensor readings.

Solution

Solution

1. Preparation

  • Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, vehicle ramps or jack stands.
  • Disconnect the vehicle's battery for safety before starting any repairs.

2. Verify Wiring and Connectors

  • Locate the oxygen sensor connectors under the vehicle.
  • Carefully disconnect the Bank 1 Sensor 1 oxygen sensor connector.
  • Inspect the wiring for frays, cuts, or corrosion. Repair or replace damaged wiring as needed.

3. Replace Oxygen Sensor

  • Tools Required: Oxygen sensor socket or wrench, torque wrench.
  • Locate the Bank 1 Sensor 1 oxygen sensor on the exhaust manifold.
  • Using an oxygen sensor socket, loosen and remove the old oxygen sensor.
  • Apply anti-seize compound to the threads of the new oxygen sensor.
  • Install the new oxygen sensor and tighten it to the manufacturer's specified torque (typically around 30 lb-ft).
  • Reconnect the oxygen sensor connector securely.

4. Reconnect Battery and Clear Codes

  • Reconnect the vehicle's battery terminals.
  • Use the OBD-II scanner to clear the error codes from the vehicle’s system.

5. Test Operation

  • Start the vehicle and let it reach operating temperature.
  • Monitor the engine performance and check for the absence of the check engine light.
  • Conduct a test drive to ensure the vehicle operates normally.

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
  • •Multimeter
  • •Socket set
  • •Torque wrench
  • •Vehicle ramps or jack stands

Parts Required

  • •Bank 1 Sensor 1 oxygen sensor (specific to Tesla Model S Plaid)

Additional Information

Error Code
P0135
Affected Component
Exhaust System
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
1 item

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