Software Glitches: Software updates or programming errors can affect the functionality of the control modules, causing performance issues or triggering error codes. Troubleshooting and Maintenance Tips The PCM is an advanced version of the ECU that not only oversees the engine's operation but also manages the transmission, emissions, and other powertrain components. It serves as the brain of the vehicle, coordinating the interactions between different systems to optimize performance. ...

Software Glitches: Software updates or programming errors can affect the functionality of the control modules, causing performance issues or triggering error codes. Troubleshooting and Maintenance Tips The PCM is an advanced version of the ECU that not only oversees the engine's operation but also manages the transmission, emissions, and other powertrain components. It serves as the brain of the vehicle, coordinating the interactions between different systems to optimize performance. ...