DTC C1789: Vehicle Identification Malfunction [08/2019 - ]: Description

This DTC is stored when the suspension control ECU is initialized and is cleared when the vehicle identification information received through CAN communication system is correctly stored in the EEPROM.
DTC C1789 is stored when an incorrect ECM is installed as the vehicle specification and data do not match.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate
C1789	Vehicle Identification Malfunction	Either condition is met: The vehicle identification information is not stored. The information stored in the suspension control ECU and the vehicle identification information received through CAN communication system do not match.	Suspension control ECU ECM	Not indicated