DYNAMIC REAR STEERING SYSTEM, Diagnostic DTC:C1B21/31, C1B22/32, C1B23/33, C1B25/35

DTC Code DTC Name
C1B21/31 ECU Malfunction(CPU)
C1B22/32 ECU Malfunction(Internal Line)
C1B23/33 ECU Malfunction(Substrate Temperature Sensor)
C1B25/35 ECU Malfunction(Flash Memory)

DESCRIPTION

When the DRS ECU (rear steering control ECU) detects an internal problem with the ECU, DTCs are stored.

DTC Code DTC Detection Condition Trouble Area

C1B21/31

C1B22/32

C1B23/33

C1B25/35

After the engine switch is turned on (IG), an internal problem with the ECU is detected. 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.

  • Since DTC C15C9/76 is stored in the VGRS ECU (front steering control ECU), after performing repairs on the dynamic rear steering system, clear the DTCs for the VGRS system. (When DTC C1B23/33 is output, the VGRS ECU [front steering control ECU] does not store DTC C15C9/76.)

PROCEDURE


  1. REPLACE REAR STEERING CONTROL ECU


    1. Replace the DRS ECU (rear steering control ECU) Click here.


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