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Home >> Infiniti >> 2021 >> Q60 Luxe, AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (Diagnostics) >> Ecu Diagnosis Information >> Power Steering Control Module >> DTC Inspection Priority Chart >> Electric Power Steering System

Electric Power Steering System

When multiple DTCs are detected simultaneously, check one by one depending on the following priority list.

Priority

Priority order item (DTC)

1

  • C1601 BATTERY VOLT

2

  • C1602 NO TUNING SET
  • C1604 TORQUE SENSOR
  • C1606 EPS MOTOR
  • C1607 EEPROM
  • C1608 CONTROL UNIT

3

  • C1143 ST ANG SEN CIRCUIT
  • C1609 CAN VHCL SPEED
  • U140E Chassis control module

4

  • U1000 CAN COMM CIRCUIT
  • U1010 CONTROL UNIT (CAN)