U0401

The U0401 code on a 2012-2015 Honda Civic indicates an invalid data received from the engine control module (ECM), often leading to communication issues within the vehicle's onboard systems.

The U0401 code indicates a "Invalid Data Received from ECM/PCM A" in the 10th Generation Honda Civic (2016-2021). This code typically signifies a communication issue between the Engine Control Module (ECM) and other modules.

The U0401 code on a 10th Generation Honda Civic (2016-2021) indicates an invalid data received from the Engine Control Module (ECM) to the Transmission Control Module (TCM). This can lead to transmission issues and affect vehicle performance.

The U0401 code on a Honda Civic 10th Generation (2016-2021) indicates an invalid data received from the Engine Control Module (ECM) or Transmission Control Module (TCM), which may affect vehicle performance and functionality.

The U0401 code on a 2022 Honda Civic indicates a communication error between the Engine Control Module (ECM) and other modules, specifically the invalid data received from the Transmission Control Module (TCM).