what does C0045 code mean in Ford F-150 Fourteenth Generation (2021-present)

Learn how to diagnose and fix C0045 wheel speed sensor issues in Ford F-150. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, wire connectors, electrical tape
• Disconnect the negative battery terminal to ensure safety while working on the electrical components.

2. Remove the Wheel Speed Sensor

• Raise the rear of the vehicle and secure it on jack stands.
• Remove the rear left wheel using a socket set to access the wheel speed sensor.
• Locate the wheel speed sensor and disconnect the electrical connector.
• Remove the mounting bolt(s) securing the wheel speed sensor to the hub assembly.
• Carefully pull the wheel speed sensor out of its housing.

3. Inspect and Replace the Sensor

• Inspect the old sensor for physical damage and clean the area where it mounts.
• If the sensor is faulty, install a new wheel speed sensor by reversing the removal steps.
• Tighten the mounting bolt(s) to the manufacturer's specified torque value.
• Reconnect the electrical connector securely.

4. Reassemble and Test

• Reinstall the rear left wheel and lower the vehicle.
• Reconnect the negative battery terminal.
• Clear the C0045 code using the OBD-II scanner.
• Perform a test drive to ensure the ABS and traction control systems are functioning correctly.