DTC C1789: Vehicle Identification Malfunction (TO 08/2009): Description

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

DTC No.	DTC Detection Condition	Trouble Area
C1789	When one of the following conditions is met: Vehicle identification information not registered. Vehicle identification information different from the stored information has been received 3 times.	Vehicle identification information not registered ECM Suspension control ECU