VARIABLE GEAR RATIO STEERING SYSTEM, Diagnostic DTC:C15B1/71, C15B2/72, C15B3/73, C15B5/82, C15B6/83
| DTC Code | DTC Name |
|---|---|
| C15B1/71 | ECU Malfunction(CPU) |
| C15B2/72 | ECU Malfunction(Internal Line) |
| C15B3/73 | ECU Malfunction(Substrate Temperature Sensor) |
| C15B5/82 | ECU Malfunction(Flash Memory) |
| C15B6/83 | ECU Malfunction(EEPROM) |
DESCRIPTION
If the VGRS ECU (front steering control ECU) detects an internal malfunction, it turns the master warning light on, stores these DTCs and stops VGRS operation.
When DTC C15B3/73 is stored, the master warning light is not illuminated and the VGRS system continues to operate.
| DTC Code | DTC Detection Condition | Trouble Area |
|---|---|---|
| C15B1/71 C15B2/72 C15B3/73 C15B5/82 C15B6/83 |
When the engine switch is turned on (IG), the VGRS ECU (front steering control ECU) detects an internal malfunction. | VGRS ECU (front steering control ECU) |
INSPECTION PROCEDURE
Note
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When replacing the VGRS ECU (front steering control ECU), perform actuator angle neutral position calibration and initialization after replacement Click here.
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Since DTC C1B09/19 is stored in the DRS ECU (rear steering control ECU), after performing repairs on the VGRS system, clear the DTCs for the dynamic rear steering system.
PROCEDURE
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REPLACE FRONT STEERING CONTROL ECU
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Replace the VGRS ECU (front steering control ECU) Click here.
NEXT 
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