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Diagnostic Trouble Code Chart

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

Power steering system diagnostic trouble code chart 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area
C1511  Torque Sensor Circuit Malfunction
  1. Wire harness
  2. Torque sensor (built into power steering gear assembly)
  3. Power steering ECU
C1512  Torque Sensor Circuit Malfunction
  1. Wire harness
  2. Torque sensor (built into power steering gear assembly)
  3. Power steering ECU
C1513  Torque Sensor Circuit Malfunction
  1. Wire harness
  2. Torque sensor (built into power steering gear assembly)
  3. Power steering ECU
C1515  Torque Sensor Zero Point Adjustment Undone
  1. Wire harness
  2. Torque sensor (built into power steering gear assembly)
  3. Power steering ECU
C1516  Torque Sensor Zero Point Adjustment Incomplete
  1. Wire harness
  2. Torque sensor (built into power steering gear assembly)
  3. Power steering ECU
C1521  Motor Circuit Malfunction
  1. Wire harness
  2. Power steering motor (built into power steering gear assembly)
  3. Power steering ECU
C1522  Motor Circuit Malfunction
  1. Wire harness
  2. Power steering motor (built into power steering gear assembly)
  3. Power steering ECU
C1523  Motor Circuit Malfunction
  1. Wire harness
  2. Power steering motor (built into power steering gear assembly)
  3. Power steering ECU
C1524  Motor Circuit Malfunction
  1. Wire harness
  2. Power steering motor (built into power steering gear assembly)
  3. Power steering ECU
C1525  Rotation Angle Sensor Initialization Undone
  1. Motor rotation angle sensor (built into power steering gear assembly)
  2. Wire harness
  3. Power steering ground wire 4. Power steering ECU
C1526  Rotation Angle Sensor Initialization Incomplete
  1. Motor rotation angle sensor (built into power steering gear assembly)
  2. Wire harness
  3. Power steering ground wire
  4. Power steering ECU
C1528  Motor Rotation Angle Sensor Malfunction
  1. Motor rotation angle sensor (built into power steering gear assembly)
  2. Wire harness
  3. Power steering ground wire
  4. Power steering ECU
C1531  ECU Malfunction 1. Power steering ECU
C1532  ECU Malfunction 1. Power steering ECU
C1533  ECU Malfunction 1. Power steering ECU
C1534  ECU Malfunction 1. Power steering ECU
C1541  Vehicle Speed Signal Malfunction
  1. Speed sensor circuit
  2. Skid control ECU
  3. CAN communication system
  4. Power steering ECU
C1552  PIG Power Supply Voltage Malfunction
  1. Wire harness
  2. Power steering converter assembly
  3. Power steering ECU
C1555  Motor Relay Welding Failure
  1. Wire harness
  2. Power steering motor (built into power steering gear assembly)
  3. Power steering ECU
C1563  DC / DC Converter IG Power Supply Voltage
  1. Wire harness
  2. Power steering converter assembly
C1564  Lost Communication with WDD Signal of DC / DC Converter
  1. Wire harness
  2. Power steering converter assembly
  3. Power steering ECU
C1565  Lost Communication with LDD/ ASST Signal of DC/DC Converter
  1. Wire harness
  2. Power steering converter assembly
  3. Power steering ECU
C1567  Error in Matching of ECUs
  1. Power steering ECU
  2. Steering sensor
C1568  DC-DC Converter Malfunction 1. Power steering converter assembly
C1569  Battery Power Supply Voltage Malfunction
  1. EPS ECU fuse
  2. Wire harness
  3. Power steering ECU
C1581  Assist Map Number Un-Writing
  1. CAN communication system
  2. Power steering ECU
  3. Suspension control ECU
U0100  Lost Communication with ECM/ PCM "A"
  1. CAN communication system
  2. ECM
U0129  Lost Communication with Brake System Control Module
  1. CAN communication system
  2. Skid control ECU
U0130  Lost Communication with Steering Effort Control Module
  1. CAN communication system
  2. VGRS control ECU
U1104  Lost Communication with Driving Support ECU
  1. CAN communication system
  2. Driving control ECU
U1105  Lost Communication with Parking Assist ECU
  1. CAN communication system
  2. Parking assist control ECU
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