how to fix B0001 code in Tesla Model Y Current (2020-present)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, safety gloves, insulated tools.
• Disconnect the vehicle's high-voltage battery according to safety procedures to prevent electric shock.

2. Inspect Wiring and Connections

• Sub-steps:
  1. Remove the battery cover to access the high-voltage battery.
  2. Inspect the battery current sensor wiring for fraying or loose connections.
  3. Ensure all connectors are securely fastened and free of corrosion.

3. Replace Battery Current Sensor (if necessary)

• Sub-steps:
  1. If the wiring is intact but the B0001 code persists, remove the faulty battery current sensor.
  2. Disconnect the sensor's electrical connector.
  3. Unscrew the sensor using the appropriate socket size (typically torqued to manufacturer specifications).
  4. Install a new battery current sensor and torque it to the specified value.
  5. Reconnect the electrical connector securely.

4. Reconnect Battery and Test

• Sub-steps:
  1. Reconnect the high-voltage battery following the manufacturer's safety guidelines.
  2. Clear any error codes using the OBD-II scanner.
  3. Start the vehicle and monitor for any warning lights.