DTC C1203: ECM Communication Circuit Malfunction: Description
The circuit is used to send TRAC and VSC control information from the skid control ECU to the ECM, and engine control information from the ECM to the skid control ECU through the CAN communication system.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1203 | Engine, drive source and destination variations that are sent from the ECM do not match the ones of the skid control ECU. | ECM |