DTC C1203: ECM Communication Circuit [08/2019 - ]: Description
The circuit is used to send control information from the skid control ECU to the ECM, and engine control information from the ECM to the skid control ECU via the CAN communication system.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1203 | The engine/drivetrain specification and/or destination information from the ECM does not match the skid control ECU data. | ECM |