VARIABLE GEAR RATIO STEERING SYSTEM > DIAGNOSTIC TROUBLE CODE CHART

for Preparation Click here


HINT:
If a trouble code is displayed during the DTC check, check the circuit indicated by the DTC. For details of each code, proceed to the page for the respective "DTC No." in the following DTC chart.


Variable Gear Ratio Steering System 
DTC No.
Detection Item
Trouble Area
See page
C1591/51
Actuator Neutral Position Calibration Undone
1. Steering actuator
2. Steering control ECU
 Click here
C1592/52
Actuator Neutral Position Calibration Incomplete
1. Steering actuator
2. Steering control ECU
 Click here
C1593/53
Actuator Standard Position Malfunction
1. Steering actuator
 Click here
C1595/55
Lost Communication with Steering Angle Sensor Module
1. Steering angle sensor
2. Steering control ECU
3. Wire harness and connector
 Click here
C1597/57
Lost Communication between VGRS and EPS
1. Power steering ECU
2. Steering control ECU
3. CAN communication system (Local CAN)
 Click here
C15A1/61
Actuator Malfunction
1. Wire harness and connector
2. Steering actuator
3. Steering control ECU
 Click here
C15A2/62
Actuator Malfunction
1. Wire harness and connector
2. Power source circuit
3. Steering actuator
4. Steering control ECU
 Click here
C15A3/63
Actuator Malfunction
1. Wire harness and connector
2. Steering actuator
3. Steering control ECU
 Click here
C15A4/64
Actuator Malfunction
1. Steering actuator
 Click here
C15A5/65
Actuator Malfunction
1. Steering actuator
2. Steering control ECU
 Click here
C15A6/62
Actuator Malfunction
1. Power source circuit
2. Wire harness and connector
3. Steering actuator
4. Steering control ECU
 Click here
C15A9/66
Lock Holder Deviation Detection
1. Steering actuator
 Click here
C15AA/66
Lock Mechanism Release Incomplete
1. Steering actuator
 Click here
C15AB/66
Lock Mechanism Insertion Malfunction
1. Steering actuator
 Click here
C15B1/71
ECU Malfunction
1. Steering control ECU
 Click here
C15B2/72
ECU Malfunction
1. Steering control ECU
 Click here
C15B3/73
ECU Malfunction
1. Steering control ECU
 Click here
C15B4/71
ECU Malfunction
1. Steering control ECU
 Click here
C15C1/74
Steering Angle Sensor Malfunction
1. Steering angle sensor
2. CAN communication system
3. Steering control ECU
 Click here
C15C2/74
Steering Angle Sensor B+ Malfunction
1. Steering angle sensor
2. CAN communication system
3. Steering control ECU
 Click here
C15C3/75
Brake System Control Module Malfunction
1. Skid control ECU
2. CAN communication system
3. Steering control ECU
 Click here
C15C4/74
Steering Angle Signal (Test Mode DTC)
1. Steering angle sensor
2. Steering control ECU
 Click here
C15C5/75
Motor Revolution Angle Signal (Test Mode DTC)
1. Steering angle sensor
2. Steering control ECU
 Click here
C15C6/77
IG Power Supply Voltage Malfunction
1. ECU-IG fuse
2. IG circuit
3. Charging system
4. Steering control ECU
 Click here
C15C7/78
DC Motor Power Source Voltage Malfunction
1. VGRS fuse
2. Power source circuit
3. Steering control ECU
 Click here
C15C8/79
Power Supply Relay Failure
1. VGRS fuse
2. Steering control ECU
 Click here
U0100/56
Lost Communication with ECM / PCM "A"
1. ECM
2. CAN communication system
 Click here
U0122/56
Lost Communication with Vehicle Dynamics Control Module
1. Skid control ECU
2. CAN communication system
 Click here
U0123/56
Lost Communication with Yaw Rate (Deceleration) Sensor Module
1. Yaw rate (deceleration) sensor
2. CAN communication system
 Click here
U0126/56
Lost Communication with Steering Angle Sensor Module
1. Steering position sensor
2. CAN communication system
 Click here
U0131/56
Lost Communication with Power Steering Control Module
1. Power steering ECU
2. CAN communication system
 Click here