how to diagnose C0001 code in my Ford F-150 Fourteenth Generation (2021-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the ignition is off.

2. Inspect and Replace Wheel Speed Sensors

• Sub-steps:
  1. Raise the vehicle and secure it on jack stands.
  2. Remove the wheel corresponding to the faulty sensor indicated by the C0001 code.
  3. Disconnect the ABS wheel speed sensor connector.
  4. Remove the wheel speed sensor from its mounting location.
  5. Install the new wheel speed sensor by reversing the removal steps.
  6. Reconnect the ABS connector ensuring a secure fit.

3. Check ABS Module Connections

• Sub-steps:
  1. Locate the ABS module, typically near the master cylinder.
  2. Disconnect the electrical connector from the ABS module.
  3. Inspect the connector pins for corrosion or damage.
  4. Reconnect the ABS module connector securely.

4. Clear Diagnostic Codes

• Sub-steps:
  1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
  2. Select the option to clear diagnostic trouble codes (DTCs).
  3. Remove the scanner and turn the ignition to the ON position.
  4. Start the vehicle and check if the ABS warning light is still illuminated.