https://docs.emtronaustralia.com.au/engine-management/diagnostics/dtc/index.htmlSystem errors within the ECU show up as DTC Errors illuminated in red in the Emtune software. They are also associated with the engine check light, should one be configured. The source of the error is straight forward to determine. Click on the red DTC tab & a breakout DTC list will appear. This list will contain all of the current errors. For this example, we will look at P0107 - Manifold Absolute Pressure Circuit Low Input.Hugoen-us