DTC C1781-81: Suspension Control ECU Malfunction [08/2015 - 08/2019]: Description

If a malfunction in the suspension control ECU is detected, DTC C1781/81 is stored.

DTC Code	DTC Detection Condition	Trouble Area
C1781/81	One of the following conditions is met: A nonvolatile memory malfunction A CAN communication resistor malfunction A main relay lock-up malfunction	Suspension control ECU