Sep 9, 2024 · This code means there’s a communication error between the ECU (Engine Control Unit) and PCM (Powertrain Control Module). To fix it quickly and efficiently, start by checking …

Sep 8, 2024 · The U0100 diagnostic trouble code (DTC) indicates that the vehicle's Engine Control Module (ECM) or Powertrain Control Module (PCM) has lost communication with other …

Oct 16, 2025 · This means your vehicle’s PCM can’t transmit or receive data on the data bus network. Learn what triggers a U0100 code, what symptoms to expect when driving, and how …

Want to learn ways on how to fix U0100 codes? That’s exactly what this guide will teach you, plus other important facts about this trouble code.

Mar 12, 2025 · Find out what trouble code U0100 means, its possible triggers, and the common symptoms associated with the code. Read on to learn more.

Mar 29, 2025 · The U0100 code means that there is a problem or a lack of communication between the PCM/ECU and the CAN-C controller. This is a communication fault code that will …

The generic OBD trouble code U0100 is a serious situation where the signals between the electronic control module (ECM) or the powertrain control module (PCM) and a particular …

Is your Check Engine light on with a U0100 code? This guide covers the communication fault between your ECM and other systems, its urgency, and how to fix it.

Understanding the U0100 code is essential for any vehicle owner. This code indicates a communication failure between your car’s Engine Control Module (ECM) and Powertrain …

Learn about common causes of the U0100 code, and how to diagnose them. If it's time to replace your PCM we're here to help.