VARIABLE GEAR RATIO STEERING SYSTEM, Diagnostic DTC:C15C9/76

DTC Code	DTC Name
C15C9/76	DRS System Malfunction

DESCRIPTION

When the VGRS ECU (front steering control ECU) detects a problem with the DRS ECU (rear steering control ECU) via CAN communication, a DTC is stored.

DTC Code	DTC Detection Condition	Trouble Area
C15C9/76	Both conditions are met for approximately 3 seconds or more: The power switch is on (IG). Information regarding a DRS ECU internal malfunction is received via CAN communication.	DRS ECU (rear steering control ECU)

DTC Code

DTC Detection Condition

Trouble Area

C15C9/76

Both conditions are met for approximately 3 seconds or more:

The power switch is on (IG).
Information regarding a DRS ECU internal malfunction is received via CAN communication.

DRS ECU (rear steering control ECU)

INSPECTION PROCEDURE

Note

When replacing the DRS ECU (rear steering control ECU), perform neutral position memorization and motor rotation angle sensor calibration Click here.

PROCEDURE

CHECK DTC (DYNAMIC REAR STEERING SYSTEM)
1. Check for DTCs in the dynamic rear steering system Click here.
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GO TO DYNAMIC REAR STEERING SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here