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DTC C1785: Steering Control ECU Communication Error [04/2013 - 10/2016]: Description

The absorber control ECU receives signals from the VGRS ECU (front steering control ECU) via CAN communication.

When there is a communication malfunction, the malfunction will be detected by the diagnosis function.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Note
C1785 Steering Control ECU Communication Error While the engine switch is on (IG), the VGRS ECU (front steering control ECU) malfunction signal is received for 5 seconds or more.
  • CAN communication system
  • VGRS system
Does not come on w/ VGRS System