how to resolve U0415 code in Tesla Model S Plaid/Refresh (2021-present)

Learn how to diagnose and fix U0415 code in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Ensure the vehicle is parked on a level surface and the parking brake is engaged.
• Gather all necessary tools and parts.

2. Inspect and Repair Wiring

• Tools Required: Multimeter, wire stripper, electrical tape
  • Disconnect the battery to avoid electrical shorts.
  • Inspect the wiring harness leading to the ABS control module and wheel speed sensors for any visible damage.
  • Use a multimeter to check for continuity in the wires.
  • Repair any damaged wires by stripping, splicing, and insulating with electrical tape.

3. Check and Clean Wheel Speed Sensors

• Tools Required: Socket set, cleaning solution (isopropyl alcohol), soft cloth
  • Remove the wheel corresponding to the ABS control module.
  • Locate the wheel speed sensor and remove it from its mounting.
  • Clean the sensor and the mounting surface with isopropyl alcohol and a soft cloth.
  • Reinstall the sensor and ensure it is properly aligned.

4. Replace ABS Control Module (if necessary)

• Tools Required: Socket set, torque wrench
  • Disconnect the battery and remove the connector from the ABS control module.
  • Unbolt the ABS control module from its mounting.
  • Install the new ABS control module, torque bolts to manufacturer specifications.
  • Reconnect the wiring harness and battery.

5. Reprogram and Calibrate

• Tools Required: Tesla service tool or compatible diagnostic software
  • After repairs, use the diagnostic tool to reprogram the ABS module if necessary.
  • Perform any required calibration procedures as per manufacturer guidelines.