how to fix C0051 code on Honda Accord Eleventh Generation (2023-present)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, wire brush, dielectric grease.
• Disconnect the negative battery terminal to ensure safety.

2. Inspect Wheel Speed Sensor

• Remove the left front wheel using a socket set.
• Locate the wheel speed sensor mounted on the wheel hub.
• Disconnect the sensor connector.

3. Clean and Check Sensor

• Use a wire brush to clean the sensor's mounting surface.
• Inspect the sensor for physical damage.
• Measure the sensor’s resistance with a multimeter; it should typically be between 1,000 to 2,000 ohms. If it’s out of this range, replace the sensor.

4. Inspect Wiring and Connector

• Check the wiring harness for frays, breaks, or corrosion.
• Use dielectric grease on the connector to prevent future corrosion.
• If wiring is damaged, repair or replace the affected section.

5. Reassembly and Testing

• Reconnect the wheel speed sensor connector.
• Torque the wheel speed sensor to the manufacturer’s specifications.
• Reinstall the left front wheel and lower the vehicle.
• Reconnect the negative battery terminal.