how to resolve C1201 error code on Ford F-150 13th Generation (2015-2020)

Learn how to diagnose and fix C1201 error code related to ABS communication in Ford F-150 (2015-2020). Step-by-step guide with diagnostic procedures.

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.

2. Inspect Wiring and Connections

• Tools Required: Multimeter, Torque wrench
• Check the ABS module connector for corrosion or bent pins.
• Use a multimeter to test for continuity in the wiring harness between the ABS module and PCM.
• Repair or replace any damaged wiring or connectors as needed.

3. Check Power Supply

• Tools Required: Multimeter
• Reconnect the battery and turn the ignition to the "ON" position without starting the engine.
• Measure the voltage at the ABS module connector. It should be between 10.5V and 14.5V.
• If voltage is inadequate, trace back to the battery, checking fuses and relays for defects.

4. Replace Faulty Components

• If the ABS module is determined to be faulty:
  • Tools Required: Socket set, Torque wrench
  • Remove the ABS module from its mounting location.
  • Disconnect the wiring harness and remove any securing bolts.
  • Install the new ABS module, ensuring to torque the bolts to manufacturer specifications.
  • Reconnect the wiring harness.

5. Clear Codes and Test

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the C1201 code from the PCM.
• Test drive the vehicle to verify the ABS system operates correctly and check for any return of the error code.