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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 page indicated in the "See page" column below.

Power Steering System 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area Return-to-normal Condition P/S Warning Light
C1511  Torque Sensor Circuit Malfunction
  1. Steering column (torque sensor)
  2. Power steering ECU
 Ignition switch ON again ◦
C1512  Torque Sensor Circuit Malfunction
  1. Steering column (torque sensor)
  2. Power steering ECU
 Ignition switch ON again ◦
C1513  Torque Sensor Circuit Malfunction
  1. Steering column (torque sensor)
  2. Power steering ECU
 Ignition switch ON again ◦
C1514  Torque Sensor Power Supply Abnormal
  1. Steering column (torque sensor)
  2. Power steering ECU
 Ignition switch ON again ◦
C1515  Torque Sensor Zero Point Adjustment Undone - Zero point calibration occurs ◦
C1516  Torque Sensor Zero Point Adjustment Incomplete - DTC cleared ◦
C1517  Torque Hold Abnormal
  1. Steering column (torque sensor)
  2. Power steering ECU
 Ignition switch ON again ◦
C1521  Motor Circuit Malfunction Power steering ECU Ignition switch ON again ◦
C1522  Motor Circuit Malfunction
  1. Steering column
  2. Power steering ECU
 Ignition switch ON again ◦
C1523  Motor Circuit Malfunction
  1. Steering column
  2. Power steering ECU
 Ignition switch ON again ◦
C1524  Motor Circuit Malfunction
  1. Steering column
  2. Power steering ECU
 Ignition switch ON again ◦
C1525  Rotation Angle Sensor Initialization Undone - Rotation angle sensor calibration occurs ◦
C1526  Rotation Angle Sensor Initialization Incomplete - DTC cleared ◦
C1528  Motor Rotation Angle Sensor Malfunction
  1. Steering column
  2. Power steering ECU
 Ignition switch ON again ◦
C1531  ECU Malfunction Power steering ECU Ignition switch ON again ◦
C1532  ECU Malfunction Power steering ECU Ignition switch ON again ◦
C1533  ECU Malfunction Power steering ECU After normal judgment X
C1534  ECU Malfunction Power steering ECU After normal judgment X
C1541  Vehicle Speed Signal Malfunction
  1. Speed sensor circuit
  2. Skid control ECU
  3. CAN communication system
  4. Power steering ECU
 Ignition switch ON again ◦
C1551  IG Power Supply Voltage Malfunction
  1. ECU-IG No. 1 fuse
  2. IG power source circuit
  3. Power steering ECU
 Ignition switch ON again or after normal confirmation ◦
C1552  PIG Power Supply Voltage Malfunction
  1. PIG power source circuit
  2. Power steering ECU
 Ignition switch ON again or after normal confirmation ◦
C1554  Power Supply Relay Failure Power steering ECU Ignition switch ON again ◦
C1555  Motor Relay Welding Failure Power steering ECU Ignition switch ON again ◦
C1581  Assist Map Number Un-Writing Power steering ECU Assist map written or ignition switch ON again ◦
U0100  Lost Communication with ECM / PCM "A"
  1. CAN communication system
  2. ECM
 Ignition switch ON again or after normal confirmation X
U0129  Lost Communication with Brake System Control Module
  1. CAN communication system
  2. Skid control ECU
 Ignition switch ON again or after normal confirmation ◦
HINT:
  • ◦: Warning light comes on
  • X: Warning light turns off (Normal reset)
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